How much does a Drupal upgrade cost
The same Drupal version upgrade can be a small maintenance task on one site and a full migration on another. The difference comes from content, modules and business logic.
What affects the price
Updating Drupal depends on how much of the site follows standard Drupal patterns and how much is custom-built. The version number alone is not enough for estimating the work.
Typical cost drivers are:
- contrib module status and compatibility;
- custom modules and custom themes;
- the number of content types, fields and views;
- external APIs, payments, CRM or ERP integrations;
- test environment, automated tests and release planning.
Why a cheap quote can become expensive
If risks are not assessed, they appear in the middle of the project. The upgrade then becomes a chain of urgent fixes and the final cost is no longer controlled.
WebPro usually starts larger work with an audit and testing phase. It shows whether the site needs a normal Drupal upgrade, a Drupal migration or partial redesign of custom functionality. A good estimate is not the smallest number. It is the number where risks are visible.
Kaido Toomingas
WebPro Company OÜ
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