Web Accessibility WCAG Compliance Cost (2026)

The verdict in three sentences

WCAG/RGAA accessibility makes your site usable by everyone, including the 12 million people with disabilities in France, and it's now a legal obligation broadened by the European Accessibility Act. In 2026, budget 2,000 to 6,000 EUR for an audit and 3,000 to 15,000 EUR for level-AA remediation. The stake isn't only legal: an accessible site is better ranked, faster and more usable for all visitors.

Who is covered and at what level

The obligation, historically limited to the public sector, extends in 2026 to private companies under conditions.

The reference level is AA (level A is minimal, AAA rarely required in full). It's the threshold that makes a site truly usable via keyboard, screen reader and in low-vision conditions.

2026 remediation cost

The budget depends on site size and starting state. Here are the observed orders of magnitude.

Baking accessibility into a new site from design costs 10 to 15% more than without — far less than fixing an existing site after the fact.

The most commonly failing criteria

A WCAG/RGAA audit covers 106 criteria. In practice, a handful concentrate most non-conformities.

Contrast and text alternatives are quick to fix and cover a large share of the score. PDFs and videos are the heaviest items.

Mini case study

Sophie, digital manager at a mutual insurer in Bordeaux, must bring her public site into compliance before an inspection. The 4,500 EUR audit reveals a WCAG conformance rate of 61%, below the required threshold. Remediation (contrast, labels, keyboard navigation, captions) costs 9,800 EUR, plus 1,200 EUR for the statement and multi-year plan. Total: about 15,500 EUR. Against that, the risk: an administrative penalty up to 50,000 EUR per non-compliant service, renewable — plus exclusion from public tenders. The investment was clearly the right call.

FAQ

Is my private company really required to be accessible?

It depends: large companies and B2C services (e-commerce, banking, transport) are, via the European Accessibility Act. A pure B2B SMB isn't always, but accessibility remains strongly recommended for SEO and brand.

What's the penalty for non-compliance?

For covered entities, an administrative penalty up to 50,000 EUR per non-compliant service, renewable if the situation persists. Add exclusion from public tenders and reputational risk.

Is an accessibility plugin enough?

No. Automatic overlay widgets don't make a site WCAG-compliant and are often counterproductive for real screen-reader users. Compliance requires fixes in the code and content.

What is an accessibility statement?

It's a mandatory document for covered entities, stating the conformance rate, known non-conformities and a multi-year accessibility plan. Its absence is itself sanctionable.

How long does remediation take?

Budget 3 to 8 weeks for a brochure site, more for a complex site with a client area and PDFs. The audit takes 1 to 3 weeks, then fixes are staged by volume.

Let's scope your project. Tell us the site type, its CMS and whether you're a covered entity: we'll scope the WCAG audit and the AA compliance path. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.