Why ask for process
Accessibility is not a one-off task. It is a delivery habit. A supplier with a clear process gives you predictable outcomes and fewer surprises Source 2 .
These questions help you move from claims to evidence Source 2 .
Questions to ask before you buy
Scope and standards
- Which standard do you work to, and which level Source 1 .
- Which pages and journeys will you test, and how do you choose them Source 2 .
- Which third-party tools, widgets, or payment flows are in scope, and which are not.
- What does success look like in plain language, not only in WCAG terms Source 1 .
Design and build approach
- How do you design components so they work with keyboard and screen readers Source 1 .
- What are your default patterns for navigation, modals, tabs, accordions, and form errors Source 1 .
- How do you handle focus, especially when content opens and closes Source 1 .
- How do you prevent layout shifts and interaction lag in the name of accessibility features.
Manual testing
- What manual keyboard testing is included, and on which journeys Source 2 .
- Do you test on mobile as well as desktop Source 2 .
- Do you test at 200% zoom and reflow Source 1 .
- How do you test forms, including error messages and success states Source 3 .
Assistive technology checks
- Which assistive technologies do you use for checks Source 2 .
- Which components do you always test with assistive tech Source 2 .
- How do you verify announcements for dynamic updates, such as validation and notifications Source 4 .
Automation and tooling
- Which automated checks do you run, and at what stage Source 2 .
- How do you prevent common regressions, such as missing labels or duplicate IDs.
- Do you run checks in CI, or only at the end.
Reporting and evidence
- What does your report include. Issues, severity, steps to reproduce, and suggested fixes.
- Can you show a sample report from a recent project, redacted if needed.
- Do you provide a prioritised fix list linked to user journeys.
- What evidence do you provide after fixes, and how do you confirm closure.
Retesting and ownership
- Is retesting included after fixes Source 2 .
- Who signs off, and what does sign-off mean.
- What happens when content editors publish new pages later.
- Do you provide a regression checklist or training for content authors.
Answers that should make you pause
- We use an automated tool and it gives a score Source 2 .
- WordPress is accessible by default Source 1 .
- We add an overlay and that solves it Source 1 .
- We aim for full compliance, without scope details Source 2 .
- We do not retest, or retesting costs extra without clarification Source 2 .
What good answers sound like
- Clear scope and journeys Source 2 .
- Specific testing methods, keyboard, zoom, forms, dynamic components Source 2 .
- Evidence from real work, sample reports and closure notes.
- A plan for preventing regressions after launch.
Next step
Use these questions on one supplier call. You will know within minutes whether accessibility is part of their delivery process or an add-on Source 2 .
Sources
- [1] W3C. Web Content Accessibility Guidelines (WCAG) 2.2. Back to article
- [2] W3C WAI. Evaluating Web Accessibility Overview. Back to article
- [3] W3C WAI. Forms tutorial. Back to article
- [4] W3C. WCAG 2.2, Guideline 3.3 Input Assistance. Back to article
- [5] GOV.UK. Accessibility requirements for public sector websites and apps. Back to article