Top SEO Agencies for HTML5

Between them, the 8 SEO agencies on this page cover web development (7), web design (6), search engine optimization (5) and UI/UX design (5). They also list work in United States of America. 7 of them have written a profile you can read before you get in touch.

1. 1

   S

   Searchwords

   Web Development · Web Design · UI/UX Design · Also in Australia

   Searchwords is an online marketing company that helps small local businesses get found by customers.

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   Why #1: Founded 2004, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   SEOTM® Digital Agency

   Mobile App Development · Web Development · UI/UX Design · Also in United States of America

   SEOTM® Digital Agency is a full-service digital marketing agency that started as a small web studio and says it has worked in digital since 2006.

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   Why #2: Founded 2006, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Boostability Inc.

   Search Engine Optimization · Social Media Marketing · UI/UX Design · Also in United States of America

   Boostability Inc. provides search engine optimisation for small businesses.

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   Why #3: Founded 2009, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Search Intelligence Ltd

   Search Engine Optimization · Mobile App Development · Web Development · Also in United Kingdom

   Search Intelligence Ltd is a digital PR agency based in Witney, Oxfordshire. Its website says it earns links from high-authority publications for clients.

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   Why #4: nothing checkable yet, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

5. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
6. –

   

   Avalanche Creative

   Search Engine Optimization · Mobile App Development · Social Media Marketing · Also in United States of America

   Avalanche Creative is an agency in Grand Rapids, Michigan. It helps organisations spot the opportunities in their business and build websites that generate leads.

   Write a review
7. –

   

   Guaranteed SEO

   Search Engine Optimization · Social Media Marketing · Web Development · Also in Canada

   Guaranteed SEO is a digital marketing agency operating in Vancouver.

   Write a review
8. –

   

   SEO James

   Search Engine Optimization · Social Media Marketing · Web Development · Also in United States of America

   SEO James is a boutique internet marketing agency based in Boca Raton, Florida, operated by Pay Application LLC.

   Write a review

   On record: Boutique

9. –

   

   STRIXSPACE

   Mobile App Development · Web Development · Web Design · Also in Poland

   Write a review

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