Web accessibility services cover much more than fixing contrast or adding alt text. Depending on the project, the work can involve accessible UI/UX design, semantic frontend development, keyboard navigation, assistive technology support, testing, remediation, and accessibility considerations throughout ongoing product development. The companies below approach this work from different technical and product perspectives.
1. Gilzor
Gilzor incorporates accessibility into its broader web development process, connecting it with UI/UX design, frontend engineering, QA, performance, and post-launch support. The company works on websites and web applications where usability needs to extend beyond standard mouse and touchscreen interactions.
Its web development offering specifically addresses compliance with accessibility guidelines and support for assistive technologies. This makes accessibility part of product design and engineering rather than a separate adjustment made after development. Gilzor can also handle release testing and ongoing maintenance as the product changes.
Key Facts:
- Best for: Accessibility within full-cycle web development
- Core services: Web accessibility, frontend development, UI/UX design, QA, web development
- Accessibility focus: Accessibility guidelines and assistive technology support
- Project types: Websites and custom web applications
- Notable strength: Accessibility connected with design, development, testing, and maintenance
Contact Information:
- Website: www.gilzor.com
- E-mail: contacts@gilzor.com
- LinkedIn: www.linkedin.com/company/gilzor-softwaredevelopment
- Address: Poland, Warsaw, Office 58, street Adama Mickiewicza 37, 01-625
2. OSKI Solutions
OSKI Solutions approaches accessibility at the frontend engineering level. Its work covers WCAG-minded development across React and CSS projects, with attention to color contrast, visible focus states, keyboard navigation, responsive layouts, and cross-browser behavior.
Accessibility checks also form part of the company’s pre-release hardening process alongside automated tests and device testing. This engineering-led approach is useful when accessibility needs to remain consistent across a component library or complex application rather than being addressed page by page.
Key Facts:
- Best for: Accessible frontend applications and design systems
- Core services: Frontend development, React development, CSS engineering, web development
- Accessibility focus: WCAG, contrast, focus states, keyboard navigation
- Technologies: React, Next.js, Vue, Angular, CSS, Tailwind
- Location: Tallinn, Estonia
Contact Information:
- Website: oski.site
- Phone: +48571282759
- Email: contact@oski.site
- LinkedIn: www.linkedin.com/company/oski-solutions
- Address: Kaupmehe tn 7-120, Tallinn, 10114, Estonia
3. A-Listware
A-Listware combines web engineering with dedicated UI/UX design and software QA capabilities. Its web team develops customer-facing and back-office applications, while the design practice covers wireframes, interface design, and UX/UI redesign for existing software.
For accessibility projects, this broader mix is useful when changes affect more than frontend code. Interface structure, usability, responsive behavior, QA, and modernization can be handled within the same engineering environment. The company also supports web consulting and audits of existing development work, which can help when accessibility improvements are part of a larger application update.
Key Facts:
- Best for: Accessibility work within web application development and modernization
- Core services: Web development, UI/UX design, software modernization, QA, web consulting
- Project types: Customer-facing websites, web applications, business systems
- Development focus: Responsive and user-friendly web interfaces
- Locations: United States and United Kingdom
Contact Information:
- Website: a-listware.com
- Phone: +1 (888) 337 93 73
- Email: info@a-listware.com
- LinkedIn: www.linkedin.com/company/a-listware
- Facebook: www.facebook.com/alistware
- Address: North Bergen, NJ 07047, USA
4. Mobian
Mobian works on custom software and digital products, including web and mobile applications, modernization, platform engineering, and long-term product support. Its project experience includes systems in healthcare, finance, telecom, logistics, and public services, where clear interfaces and dependable product behavior can be especially important.
Within web accessibility work, Mobian can connect interface improvements with wider application engineering rather than isolating them from the underlying product. This can be useful for existing platforms that need accessibility improvements alongside architectural changes, new functionality, or ongoing maintenance.
Key Facts:
- Best for: Accessibility improvements within larger software projects
- Core services: Web development, custom software development, product development, modernization
- Project types: Web applications, mobile applications, enterprise platforms
- Industries: Healthcare, finance, telecom, logistics, public services
- Location: Tallinn, Estonia
Contact Information:
- Website: mobian.studio
- Email: info@mobian.studio
- LinkedIn: www.linkedin.com/company/mobian-studio
- Address: Harju maakond, Tallinn, Kesklinna Linnaosa, Masina tn 22, 10113
5. Itexus
Itexus develops web and mobile software with a particularly strong concentration on fintech and financial products. Its services span UI/UX design, custom development, QA, project audits, digital transformation, cloud and DevOps work, and long-term software support.
For accessibility engagements, that full-cycle structure allows interface requirements to be considered alongside development and testing. This is particularly useful for complex applications where accessible interaction needs to coexist with authentication, data-heavy screens, account workflows, dashboards, and other business-critical functionality.
Key Facts:
- Best for: Accessibility within complex fintech and financial applications
- Core services: Custom development, fintech UI/UX, QA, project audits, software support
- Specialization: Financial technology and digital banking software
- Project types: Web platforms, mobile applications, financial products
- Locations: United States and Poland
Contact Information:
- Website: itexus.com
- Email: info@itexus.com
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
- Address: 8, The Green, STE road, Dover, DE 19901, United States
6. Net Devs
Net Devs works primarily on enterprise software engineering, including frontend systems, modernization, dedicated engineering teams, platform work, and software for regulated industries. Its model is geared toward technically complex products rather than simple standalone websites.
Accessibility services can therefore sit within a wider engineering effort that includes frontend architecture, application modernization, QA, compliance requirements, and ongoing development. The company’s experience with healthcare and fintech also gives it a natural context for projects where usability, reliability, and regulatory considerations need to be handled together.
Key Facts:
- Best for: Enterprise applications requiring accessibility-focused engineering
- Core services: Enterprise software, frontend development, modernization, QA, dedicated teams
- Frontend technologies: React, Angular, Vue
- Industries: Fintech, healthcare, logistics, B2B SaaS
- Location: Warsaw, Poland
Contact Information:
- Website: net-devs.com
- Phone: +48 571 282 759
- Email: contact@net-devs.com
- LinkedIn: www.linkedin.com/company/net-devs
- Address: Obrzeżna 1D, 02-691 Warszawa
7. Lengreo
Lengreo combines web development with product design, QA, maintenance, and broader digital services. Its development process starts with discovery and wireframing before moving into implementation, deployment, testing, and post-launch refinement.
That workflow gives accessibility considerations several points of entry. Interface requirements can be addressed during design, carried into frontend development, and reviewed as part of QA rather than being left until the site is already complete. Lengreo also provides website maintenance, which matters when accessibility needs to be preserved as content, functionality, and layouts change.
Key Facts:
- Best for: Accessibility integrated with website design and development
- Core services: Website development, custom web development, UI/UX, QA, maintenance
- Development approach: Discovery, wireframing, development, deployment, refinement
- Project types: Business websites and custom web applications
- Locations: Amsterdam and Kyiv
Contact Information:
- Website: lengreo.com
- E-mail: hi@lengreo.com
- Twitter: x.com/Lengreo
- LinkedIn: www.linkedin.com/company/lengreo
- Instagram: www.instagram.com/lengreo.agency
- Address: Vrijstraat 9 C/D, 5611 AT Eindhoven, Netherlands
- Phone: +31 686 147 566
8. SoftPro
SoftPro develops custom web and software products using technologies including .NET, React, Azure, JavaScript, HTML, and CSS. Its frontend practice focuses on responsive and intuitive interfaces, while the broader development team handles backend engineering, cloud solutions, enterprise software, and continued technical support.
For web accessibility projects, this combination allows accessibility requirements to be considered together with frontend structure and application functionality. SoftPro is particularly suited to projects where accessibility improvements are part of a custom development, modernization, or enterprise web initiative rather than an isolated website audit.
Key Facts:
- Best for: Accessible interfaces within custom web and enterprise software
- Core services: Custom software, frontend development, web development, cloud development
- Technologies: React, JavaScript, HTML5, CSS3, .NET, Azure
- Project types: Web applications and enterprise software
- Location: Warsaw, Poland
Contact Information:
- Website: soft-pro.pl
- Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401
9. 21Century.Tech
21Century.Tech focuses on AI-assisted software engineering for teams that need new applications, MVPs, integrations, or existing systems refactored. Its development model pairs AI-supported implementation with human review, keeping architecture, business logic, code review, and production decisions under engineer oversight.
For accessibility work, the company can incorporate accessibility requirements into broader frontend and product development rather than separating them from the engineering lifecycle. This model can fit teams that are rebuilding or modernizing an application and want accessibility considered alongside maintainability, testing, performance, and production readiness.
Key Facts:
- Best for: Accessibility requirements within new builds and application modernization
- Core services: Custom software development, MVP development, refactoring, integrations
- Development model: AI-assisted engineering with human review
- Project focus: Production software and web applications
- Notable strength: Accessibility work can be incorporated into wider product engineering
Contact Information:
- Website: 21century.tech
- Email: kirill@oski.site
Conclusion
Web accessibility works best when it is treated as part of the product itself. Design choices, frontend structure, keyboard behavior, assistive technology support, testing, and ongoing maintenance all affect whether a website or application remains usable for a wider range of people.
The companies here cover different sides of that work. Some are better structured around frontend engineering and WCAG-focused implementation, while others can address accessibility as part of a larger redesign, modernization, or custom software project. For businesses comparing providers, the practical question is how accessibility fits into the development process and how it will be maintained as the product continues to change.