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The Hilfsgemeinschaft der Blinden und Sehschwachen Österreichs is Austria's oldest and largest self-help association for blind and visually impaired people, active for over 90 years, with around 6,500 members, 55 salaried staff and about 400 volunteers, headquartered in Vienna with locations in Linz and Graz. Through its Access Austria brand it tests websites and apps for digital accessibility, offers a free website quick-check, accessibility consulting and awareness training, supports the WACA website certification, and participates in international accessibility projects.

✓ Checked against 4 sources · last verified 2026-08-04

Interface Consult GmbH, trading as usability.at, is a Vienna-based usability agency (Flachsweg 32) and Austria's first usability agency, active since 1994 with 300+ projects. It offers UX/UI design, prototyping, eye-tracking and usability testing, plus a dedicated Barrierefreiheit (accessibility) practice: accessibility evaluation against WCAG, accessibility testing with disabled users, accessible PDF documents, guidance on Austrian and German public-sector accessibility requirements, and accessibility training seminars.

✓ Checked against 6 sources · last verified 2026-08-04

k25 Werbeagentur GmbH is a Vienna-based advertising agency (Kutschkergasse 25) covering web, print, photo/film, social media, branding and AI. Its digital-accessibility service audits websites, apps and documents to WCAG 2.2 using the BIK-BITV-Test methodology, with checklists plus screen-reader and keyboard testing, and covers accessible PDFs and plain-language content — billed hourly alongside its other advertising services.

✓ Checked against 5 sources · last verified 2026-08-04

MSTAGE is an Austrian e-commerce agency (offices in St. Pölten and Wels, part of the E-CONOMIX Group) with 10+ years' experience and 100+ Magento, Shopware and Shopify webshops delivered for B2B and B2C clients such as Miele Center Österreich and KTM Bikes. Within its Onlineshop Optimierung (shop optimization) services — alongside CRO, UX research/testing and performance work — it lists Web Accessibility as one specialism, complementing its core shop-development and e-commerce consulting business.

✓ Checked against 5 sources · last verified 2026-08-04

WIENFLUSS information.design.solutions KG is a commercial digital agency based in Vienna (Nibelungengasse 8), founded in 2005. It describes itself as one of Austria's leading agencies for digital accessibility, offering training, coaching, consulting and evaluation alongside custom web and application development, with dedicated accessibility staff and clients including Austrian federal ministries, ÖBB and Wien Tourismus — the university appears only as one of many listed clients, not as the site operator.

✓ Checked against 4 sources · last verified 2026-08-04