Website maintenance costs from a few tens to over a thousand euros per month, depending on the site, technology, service level and included improvements.
Typical monthly ranges (French market)
- Brochure site, essential plan: €50–150
- Brochure or corporate site, full plan: €150–500
- E-commerce site: €400–1,500
- Custom application: usually 15–20% of the build cost per year
Price drivers
Technology, criticality, testing level (staging or not), included improvement hours, and the site’s starting state.
The most expensive maintenance is the one you skipped.
The cost of an unmaintained site
Hacks (see hacked website: what to do), broken forms, updates that become impossible, declining performance and SEO.
Check scope, response times and hours — see what a maintenance contract includes and the WordPress checklist.
Website maintenance cost: FAQ
Why a monthly plan rather than pay-per-fix?
Most maintenance is preventive; pay-per-fix only pays after the outage.
Does e-commerce maintenance cost more?
Yes — more to monitor, and downtime costs sales directly.
Request a maintenance quote
Our website maintenance in Paris offers clear monthly plans. Request your quote.