Choosing a TypeScript development partner isn’t only about finding engineers who know the language. The right team should understand how to build software that stays reliable as products grow, new features are added, and user expectations evolve.
TypeScript has become a go-to choice for modern web applications because it helps teams write cleaner, more maintainable code while reducing costly mistakes before they reach production. Whether you’re launching a new SaaS platform, modernizing an existing application, or expanding your engineering capacity, working with an experienced TypeScript development company can make the process smoother and the results more predictable.
In this guide, we’ve put together a selection of companies recognized for delivering TypeScript web development services across different industries and project sizes. Each brings its own strengths, giving you a solid starting point for finding a partner that matches your technical requirements, business goals, and preferred way of working.
1. Gilzor
Gilzor develops custom software with a focus on web and mobile products that support business growth at different stages. Their work covers everything from validating product ideas and planning development to building, testing, and maintaining applications. For companies looking for TypeScript web development services, they offer full-cycle web development backed by business analysis, UI/UX design, and quality assurance, helping teams create applications that are easier to maintain as requirements change.
They also work with startups, SMBs, and product companies on improving existing software, modernizing applications, and adding new functionality. Their approach combines technical implementation with product planning, allowing clients to move from an early concept to a production-ready web application while continuing to support and refine the product after launch.
Key Highlights:
- Custom web and mobile software development
- Experience working with startups, SMBs, and product companies
- Full development lifecycle from idea validation to maintenance
- Product discovery and business analysis before development
- UI/UX design integrated into the development process
- Quality assurance throughout the project lifecycle
- Experience with application modernization and technology migration
- Ongoing support after product launch
Services:
- TypeScript web development
- Custom web application development
- Frontend development with modern JavaScript frameworks
- Backend development and API integration
- UI/UX design for web applications
- Quality assurance and software testing
- Application maintenance and ongoing support
- Technical consulting and software architecture
Contact Information:
- Website: www.gilzor.com
- Email: contacts@gilzor.com
- LinkedIn: www.linkedin.com/company/gilzor-softwaredevelopment
- Address: Poland, Warsaw, Office 58, street Adama Mickiewicza 37, 01-625
2. Blackthorn Vision
Blackthorn Vision focuses on TypeScript development for web, mobile, and desktop applications, using the language to build software that is easier to maintain as projects grow. Their approach covers custom development, application modernization, and JavaScript to TypeScript migration, helping companies improve code quality while keeping existing systems working smoothly. They work with modern frameworks such as React, Angular, Vue.js, and Node.js to create scalable applications for different business needs.
Beyond development, the company supports projects with architecture consulting, dedicated development teams, and ongoing maintenance. They place emphasis on structured development practices, testing, cloud technologies, and reusable components, making TypeScript part of both frontend and backend development. This allows them to build applications with a consistent technology stack and support long-term product evolution.
Key Highlights:
- Custom TypeScript application development
- JavaScript to TypeScript migration
- Full-stack development with modern JavaScript frameworks
- Architecture and technical consulting
- Frontend and backend TypeScript expertise
- Enterprise and web application development
- Post-launch maintenance and support
- Cloud and DevOps integration
Services:
- TypeScript web application development
- Custom TypeScript software development
- Frontend development with React, Angular, and Vue.js
- Backend development with Node.js
- JavaScript to TypeScript migration
- API development and integration
- TypeScript consulting and architecture planning
- Application maintenance and technical support
3. Lengreo
Lengreo approaches TypeScript web development as part of broader product delivery, combining technical implementation with business analysis, UX design, QA, and DevOps. Their development process begins with discovery and planning before moving into iterative development, deployment, and continuous improvements after launch.
Their team builds custom web applications, APIs, cloud-native systems, and hybrid mobile applications while placing attention on maintainable architecture and practical delivery. Depending on the project, they also help define product requirements, create wireframes, and support ongoing product refinement based on user feedback and performance monitoring.
Key Highlights:
- TypeScript web application development
- Full-stack product teams
- API and cloud-native development
- Agile development process
- UX and product design support
- Manual and automated testing
- Continuous product improvements
Services:
- Custom web development
- API development
- Full-stack development
- Cloud-native application development
- Hybrid mobile development
- UX/UI design
- DevOps services
- Quality assurance
4. TYMIQ
TYMIQ develops TypeScript solutions for web, mobile, and enterprise software, using the language across both frontend and backend development. Their projects include custom web applications, business systems, cross-platform mobile apps, and software modernization. TypeScript is part of their work with technologies such as React, Angular, Vue.js, Node.js, and Express.js, helping teams build applications that are easier to expand and maintain over time.
A significant part of their work involves integrating applications with external systems, migrating JavaScript projects to TypeScript, and supporting products after release. Alongside development, they offer consulting, testing, and maintenance, giving companies a way to improve existing software as well as build new TypeScript-based applications from the ground up.
Key Highlights:
- Custom TypeScript software development
- Experience with enterprise web applications
- JavaScript to TypeScript migration
- Frontend and backend development
- API and third-party system integration
- Dedicated development teams
- QA and application testing
- Ongoing maintenance and consulting
Services:
- TypeScript web development
- Custom TypeScript application development
- Backend development with Node.js and Express.js
- Frontend development with React, Angular, and Vue.js
- JavaScript to TypeScript migration
- API integration and backend services
- QA testing and application support
- TypeScript consulting
5. Freshcode
Freshcode builds TypeScript web applications with an emphasis on long-term maintainability and clean architecture. Their development process covers planning, system design, implementation, testing, deployment, and post-launch support. They combine TypeScript with technologies such as React, Next.js, Node.js, and NestJS to create web platforms that can evolve without making the codebase difficult to manage.
Migration projects are another area of focus, especially for businesses moving from JavaScript to TypeScript. Along with new product development, they help improve existing applications through refactoring, backend development, and continuous maintenance, keeping software aligned with changing business requirements.
Key Highlights:
- Full-cycle TypeScript web development
- JavaScript migration projects
- Clean architecture approach
- React and Node.js expertise
- Backend API development
- Structured development process
- Continuous maintenance
- Industry-focused web solutions
Services:
- TypeScript web application development
- React and TypeScript frontend development
- Backend development with Node.js and NestJS
- JavaScript to TypeScript migration
- Custom web application development
- API development and integration
- Application maintenance
- TypeScript consulting
6. SoftPro
SoftPro develops custom software using Microsoft technologies together with modern frontend frameworks, including TypeScript-based solutions for web applications. Their team works on business software that helps companies modernize internal processes through scalable applications, cloud services, and tailored digital systems.
Their projects combine frontend and backend development with cloud technologies, artificial intelligence, and CMS solutions when required. The company also provides support after deployment, making it possible to continue improving software as business requirements change over time.
Key Highlights:
- TypeScript used in modern web development
- Microsoft technology expertise
- Cloud-based software solutions
- AI and automation capabilities
- Full-stack development approach
- Focus on scalable business applications
- Ongoing software support
Services:
- Custom software development
- Web application development
- Cloud development
- Artificial intelligence solutions
- Full-stack development
- CMS development
- System integration
- Maintenance and support
7. Pegotec
Pegotec uses TypeScript to build web applications that combine frontend and backend development within a single technology stack. Their projects include custom software as well as modernization of existing JavaScript applications, using frameworks such as React, Angular, Vue.js, and Node.js. The focus is on creating applications with clear code structure that remain manageable as products become more complex.
Their development process covers technical planning, implementation, testing, and ongoing improvements. TypeScript is integrated into different stages of development to support code consistency, team collaboration, and easier maintenance across long-term projects. The company also works with businesses that want to gradually introduce TypeScript into existing applications without rebuilding everything from scratch.
Key Highlights:
- Full-stack TypeScript development
- JavaScript modernization projects
- Experience with React, Angular, Vue.js, and Node.js
- Scalable application architecture
- Technical consulting
- Agile development approach
- Code quality and testing practices
- Long-term application support
Services:
- TypeScript web development
- Custom web application development
- Frontend development
- Backend development
- JavaScript to TypeScript migration
- API development and integration
- TypeScript consulting
- Application maintenance
8. Mak IT Solutions
Mak IT Solutions develop TypeScript applications for businesses that need structured and maintainable software. Their process begins with planning and architecture before moving into frontend and backend implementation, allowing projects to grow on a stable technical foundation. TypeScript is used to improve code organization while supporting modern web development practices.
The company covers the full development cycle, including interface design, API development, testing, deployment, and post-launch support. Their work combines technical implementation with project planning, making TypeScript part of both new software development and ongoing improvements to existing applications.
Key Highlights:
- End-to-end TypeScript development
- Project planning and software architecture
- Frontend and backend implementation
- Testing throughout development
- UI/UX design support
- Ongoing technical maintenance
- Agile development workflow
- Custom software solutions
Services:
- TypeScript web application development
- Custom software development
- Frontend development
- Backend API development
- UI/UX design
- Software testing and QA
- Application optimization
- Maintenance and support
9. A-listware
A-listware develops custom software for businesses that need dedicated engineering teams and long-term technical support. Their web development projects include modern frontend and backend technologies, with TypeScript being part of the stack used for scalable web applications and enterprise platforms. The company works with both new products and existing systems, adapting development to the technical requirements of each project.
Beyond software development, they help businesses expand engineering capacity through dedicated teams, project management, quality assurance, and cloud services. Their experience covers web applications, business systems, and digital products that require continuous development, maintenance, and technical support after launch.
Key Highlights:
- TypeScript-based web development
- Dedicated development teams
- Enterprise software engineering
- Cloud and DevOps expertise
- Quality assurance services
- Long-term technical support
- Scalable web application development
Services:
- TypeScript web development
- Frontend development
- Backend development
- Custom web application development
- Cloud solutions
- QA and software testing
- DevOps services
- Application maintenance and support
10. EncodeDots
EncodeDots build TypeScript applications for businesses that need custom web platforms, APIs, and enterprise software. Their development includes new applications, migration from JavaScript to TypeScript, and long-term maintenance. They use TypeScript together with modern JavaScript technologies to create software that supports future updates without making the codebase harder to maintain.
Their projects often include consulting, dedicated development teams, and integration with external systems. Alongside development, they pay attention to coding standards, security practices, and application support, giving companies a complete TypeScript development workflow from planning through post-launch updates.
Key Highlights:
- Custom TypeScript development
- JavaScript migration services
- Web and enterprise applications
- Dedicated development teams
- API integration expertise
- Secure coding practices
- Agile development process
- Long-term maintenance
Services:
- TypeScript web development
- Custom TypeScript application development
- Frontend development
- Backend development
- JavaScript to TypeScript migration
- API integration
- Application maintenance
- TypeScript consulting
11. Mobian
Mobian creates custom digital products with a focus on modern web technologies and user-centered design. TypeScript is used as part of their frontend and full-stack development process, allowing them to build web applications that are structured, scalable, and easier to maintain over time. Their projects range from business platforms to customer-facing web solutions.
The company combines software engineering with product discovery, UI/UX design, testing, and ongoing improvements after deployment. Development is tailored to the needs of each project, whether it involves launching a new application, redesigning an existing product, or expanding functionality through additional integrations.
Key Highlights:
- TypeScript web application development
- Custom product development
- UI/UX design expertise
- Full-stack engineering
- Product discovery process
- Quality assurance
- Ongoing product support
Services:
- TypeScript web development
- Custom web application development
- Frontend development
- Backend development
- UI/UX design
- Product discovery
- QA and testing
- Website maintenance and support
12. SysGears
SysGears develop TypeScript software for startups, growing businesses, and enterprise teams that need reliable web and mobile applications. Their services include custom development, JavaScript migration, code modernization, and cross-platform applications. Using technologies such as React, Next.js, Node.js, and NestJS, they build software with a focus on maintainable architecture and long-term scalability.
Another part of their work involves helping companies improve existing products through refactoring, consulting, and team extension. Their development process combines engineering practices, testing, and security standards to support applications throughout the entire product lifecycle.
Key Highlights:
- Full-cycle TypeScript development
- Code modernization and refactoring
- Cross-platform application development
- JavaScript to TypeScript migration
- Consulting and architecture planning
- Team extension services
- Secure development practices
- Long-term product support
Services:
- TypeScript web application development
- Custom TypeScript software development
- Frontend development with React and Next.js
- Backend development with Node.js and NestJS
- JavaScript to TypeScript migration
- Code refactoring and modernization
- TypeScript consulting
- Maintenance and support
13. Itexus
Itexus focuses on software engineering for financial technology products, with TypeScript forming part of its backend and web development stack alongside other enterprise technologies. Their work covers new product development, modernization of existing systems, project recovery, and technical consulting for organizations building banking platforms, payment systems, investment products, and other financial applications.
Beyond application development, they work on architecture planning, cloud engineering, quality assurance, security, and long-term maintenance. Their process includes product discovery, UI/UX design, API integrations, AI implementation, DevOps, and support for regulated environments where reliability, documentation, and controlled delivery are important throughout the project lifecycle.
Key Highlights:
- Focus on fintech software development
- TypeScript used for backend and enterprise applications
- Legacy modernization and project recovery services
- AI integration and engineering support
- DevOps and cloud infrastructure expertise
- Security, compliance, and automated testing
- Long-term maintenance and technical support
Services:
- Custom software development
- Fintech application development
- UI/UX design
- Product discovery and prototyping
- DevOps and cloud engineering
- AI consulting and implementation
- Quality assurance and testing
- Software maintenance and support
14. Alpina Tech
Alpina Tech focuses on TypeScript development for modern web applications, helping businesses build new products and improve existing JavaScript projects. Their experience covers custom frontend development, single-page applications, and web platforms built with technologies such as React, Vue, and Node.js. TypeScript is used to create applications with cleaner code, better maintainability, and a more structured development process.
Another part of their expertise is updating existing software through code refactoring, optimization, and long-term technical support. Alongside implementation, they assist companies with selecting developers, improving application architecture, and extending products with new functionality while keeping the codebase consistent as projects grow.
Key Highlights:
- Custom TypeScript application development
- Frontend development for modern web applications
- JavaScript code refactoring and optimization
- Single-page application development
- Web application modernization
- Full-cycle technical support
- TypeScript integration with React, Vue, and Node.js
- Long-term product maintenance
Services:
- TypeScript web application development
- Custom frontend development
- Single-page application development
- JavaScript to TypeScript migration
- Code refactoring and optimization
- Web application modernization
- Technical consulting
- Application maintenance and support
15. Oski Solutions
Oski Solutions focuses on custom software development with experience in building web solutions for businesses across different industries. Their development work includes cloud technologies, frontend engineering, AI integration, and content management systems, giving them the flexibility to create projects with different technical requirements. For companies looking for TypeScript web development, their frontend stack includes technologies such as React, Angular, Vue, Next.js, and Node.js, making TypeScript a natural part of many modern web applications they build.
The team works on projects from the planning stage through deployment and ongoing maintenance. They also develop scalable CMS platforms, cloud-based applications, and AI-powered solutions while adapting their approach to the needs of different industries, including eCommerce, education, fintech, logistics, and insurance. Their services cover both new software development and long-term support for existing products, allowing businesses to expand and maintain their digital platforms over time.
Key Highlights:
- Experience with TypeScript-based frontend development
- Development using React, Angular, Vue, Next.js, and Node.js
- Cloud application development and DevOps capabilities
- AI and machine learning integration
- CMS development with WordPress and Umbraco
- End-to-end software development and maintenance
- Solutions for multiple business industries
Services:
- TypeScript web development
- Frontend development
- Backend development
- Cloud solutions
- AI and machine learning integration
- CMS development
- UI/UX design
- DevOps and CI/CD
- Custom software development
- Website maintenance and support
16. Softjourn
Softjourn builds TypeScript applications for businesses that need reliable web platforms, enterprise software, and backend systems. Their projects combine frontend and backend development, using TypeScript together with frameworks such as React, Angular, Vue, and Node.js. The company covers both new application development and modernization of existing products, keeping the codebase easier to maintain as software evolves.
The scope of their services extends beyond coding into architecture consulting, API integration, testing, and ongoing maintenance. Different engagement models allow clients to choose dedicated teams or project-based collaboration, while TypeScript remains part of the entire development cycle from planning through long-term support.
Key Highlights:
- End-to-end TypeScript development
- Full-stack web application expertise
- JavaScript modernization
- API development and integration
- TypeScript consulting
- Quality assurance throughout development
- Flexible collaboration models
- Long-term maintenance services
Services:
- TypeScript web development
- Custom TypeScript application development
- Frontend development
- Backend development with Node.js
- API development and integration
- JavaScript to TypeScript migration
- Testing and quality assurance
- Maintenance and technical support
17. Celadonsoft
Celadonsoft uses TypeScript to develop web applications, enterprise systems, and interactive software that can handle growing business requirements. Their development approach combines TypeScript with Node.js and React to create applications with a clear structure and support for real-time functionality, microservices, and scalable web platforms.
Development is organized as a complete process that includes business analysis, UI/UX design, coding, testing, release, and post-launch support. They can join projects at different stages, whether a company needs a dedicated development team, technical consulting, or assistance with an existing application that requires further development.
Key Highlights:
- Custom TypeScript software development
- Experience with enterprise web applications
- Real-time application development
- Microservices architecture
- Business analysis and UI/UX design
- Flexible collaboration models
- Full development lifecycle
- Ongoing application support
Services:
- TypeScript web application development
- Custom software development
- Frontend development with React
- Backend development with Node.js
- Microservices development
- UI/UX design
- Quality assurance and testing
- Application maintenance
18. 21Century.tech
21Century.tech develops custom software for businesses that need modern web applications, enterprise systems, and digital platforms. Their technology stack includes TypeScript for frontend and backend development, supporting projects that require reliable architecture and long-term scalability. Their work covers the full software development lifecycle, from planning through deployment and maintenance.
In addition to software engineering, the company works with cloud technologies, system integrations, DevOps, and quality assurance to support stable product delivery. Their projects are designed around business requirements, allowing companies to improve existing systems or build new digital products with ongoing technical support after launch.
Key Highlights:
- TypeScript web development expertise
- Full-cycle software development
- Cloud-native application development
- DevOps and CI/CD implementation
- API and system integrations
- Software quality assurance
- Long-term technical maintenance
Services:
- TypeScript web development
- Custom software development
- Frontend and backend development
- API development and integration
- Cloud application development
- DevOps services
- Quality assurance and testing
- Application maintenance and support
19. Scalo
Scalo develops TypeScript applications for businesses that need to improve existing JavaScript products or build new web platforms with a more structured codebase. Their projects include web and mobile applications, backend systems, API integrations, and software architecture designed for long-term growth. TypeScript is combined with technologies such as React, Angular, Vue.js, Node.js, and GraphQL to support both frontend and backend development.
Beyond writing code, the company takes care of application architecture, testing, CI/CD processes, and ongoing maintenance. They can join existing development teams, build dedicated TypeScript teams, or manage projects from planning through deployment, depending on how the client prefers to organize development.
Key Highlights:
- Custom TypeScript web and mobile development
- JavaScript to TypeScript migration
- TypeScript application architecture
- REST API and GraphQL integration
- CI/CD implementation and automated testing
- Dedicated development teams
- Full-cycle software development
- Long-term maintenance and optimization
Services:
- TypeScript web application development
- Custom TypeScript software development
- Backend development with Node.js
- REST API and GraphQL integration
- JavaScript to TypeScript migration
- Code refactoring and optimization
- TypeScript consulting
- Application maintenance and support
20. Net.Devs
Net.Devs develops custom software with experience across web applications, backend systems, and cloud-based platforms. TypeScript is part of the technologies they use for building scalable applications that support modern business workflows. Their projects range from new software development to extending existing products and strengthening internal development teams.
They combine software engineering with architecture planning, testing, and ongoing support, helping businesses maintain applications after launch as well as during active development. Their work also includes cloud services, API development, and integrations that allow different business systems to work together more efficiently.
Key Highlights:
- Custom TypeScript development
- Web and backend engineering
- Cloud-based application development
- API integration experience
- Team augmentation options
- Software modernization
- Ongoing technical support
Services:
- Custom web development
- Backend development
- Cloud development
- API development
- Software modernization
- QA and testing
- Technical consulting
- Maintenance and support
21. ConceptServe
ConceptServe uses TypeScript as part of its web development services for businesses that need custom applications with a stable and maintainable codebase. Their experience includes building new web applications, upgrading existing projects, and helping clients introduce TypeScript into current software with minimal disruption. Along with development, they offer technical consulting to support architecture decisions and project planning.
Maintenance is included as an ongoing part of the development process, covering software updates, bug fixes, and performance improvements after launch. TypeScript sits alongside technologies such as React, Angular, Vue.js, Node.js, Java, .NET, and Python, allowing the team to develop web applications across different technology stacks.
Key Highlights:
- Custom TypeScript web development
- TypeScript consulting
- JavaScript to TypeScript migration
- Long-term application maintenance
- Experience with modern frontend frameworks
- Web application development
- Performance optimization
- Technical architecture support
Services:
- TypeScript web application development
- Custom TypeScript development
- TypeScript consulting
- JavaScript to TypeScript migration
- Frontend development
- Backend integration
- Application maintenance
- Performance optimization
22. DevKit
DevKit builds TypeScript applications for companies that need scalable web platforms, enterprise software, and custom digital products. Their development covers both frontend and backend implementation, with TypeScript used alongside modern JavaScript technologies to create applications that are easier to maintain as functionality expands. The company also helps businesses migrate existing JavaScript projects to TypeScript without rebuilding the entire application. Based on the provided information, they focus on web applications, enterprise systems, migration, consulting, and long-term optimization.
Support continues after development through code reviews, performance improvements, security checks, and regular maintenance. They also offer consulting for teams that are planning a TypeScript migration or need guidance on architecture and technology decisions before starting a project.
Key Highlights:
- Full-stack TypeScript development
- Enterprise application development
- JavaScript to TypeScript migration
- Custom software solutions
- Technical consulting
- Code quality and optimization
- Security and performance reviews
- Ongoing application maintenance
Services:
- TypeScript web application development
- Enterprise web application development
- Custom TypeScript software development
- JavaScript to TypeScript migration
- Frontend and backend development
- TypeScript consulting
- Code optimization and maintenance
- Performance and security improvements
Conclusion
By now, you’ve probably noticed that TypeScript itself isn’t what sets one development company apart from another. Most experienced teams use the same language and many of the same frameworks. The bigger difference is how they organize projects, write code, handle maintenance, and support a product after it’s launched.
If you’re comparing TypeScript web development services, don’t stop at the technology stack. Look at how a company approaches architecture, whether they can work with an existing codebase, how they handle testing, and what happens once the first release is out. Those practical details often have a much bigger impact than the choice of framework alone. Taking a little extra time to compare these aspects can help you find a development partner that’s a good fit not just for today’s project, but for where your product is heading next.