We’re now tracking almost 7000 web agencies, full stack marketing agencies, brand design agencies, SEO agencies, social media agencies – whatever they like to be called being used on the Internet. These are the businesses that build website for other companies.

You can suggest new web agencies via our Suggest a Technology page and also browse the most popular Web Agencies here –
https://trends.builtwith.com/cms/agency
We will continue to add Agency designers as we come across them!