Top Search Engine Optimization Companies in the USA

Between them, the 26 IT service providers on this page cover SEO (25), web development (20), web design (20) and e-commerce development (19). They also list work in India. 26 of them have written a profile you can read before you get in touch.

1. 1

   

   Visualwebz, LLC

   Social Media Marketing · Web Development · Web Design

   Visualwebz, LLC is a web design and search engine optimisation agency based in Washington state.

   Write a review
2. 2

   

   Internet Direct

   Web Development · SEO · WordPress

   Internet Direct is a web development company based in San Antonio, Texas. It has worked with clients across Texas, including Austin, Houston and Dallas.

   Write a review
3. 3

   

   Living Proof Creative

   Social Media Marketing · Mobile App Development · Web Development

   Living Proof Creative is a creative agency rooted in Austin, Texas.

   Write a review
4. 4

   

   NuCitrus Technologies

   Web Development · Web Design · E-Commerce Development

   NuCitrus Technologies is a digital marketing agency and technology firm that builds responsive websites, apps and custom software.

   Write a review
5. 5

   

   Stone Soup Tech Solutions, LLC

   Mobile App Development · Custom Software Development · Web Development

   Stone Soup Tech Solutions, LLC is a web design and custom software firm based in Atlanta.

   Write a review
6. 6

   

   JLB Florida

   Mobile App Development · Web Development · E-Commerce Development

   JLB Florida is a web design and digital marketing agency serving businesses in Fort Lauderdale and Boca Raton. The name stands for Joy, Life, Business.

   Write a review
7. 7

   

   TX Digital

   Social Media Marketing · Web Design · E-Commerce Development

   TX Digital is a digital agency that offers web design and development, software development, mobile app development and digital marketing.

   Write a review
8. 8

   

   Barton Consulting, LLC

   Web Design · Digital Marketing · UI/UX Design

   Barton Consulting, LLC is a web development company founded in 2007.

   Write a review
9. 9

   

   Site IT Now

   Social Media Marketing · E-Commerce Development · Digital Marketing

   Site IT Now is a web design and digital marketing agency. It builds websites and apps, handles search and social media marketing, and provides secure hosting.

   Write a review
10. 10

    

    Tangle Solutions

    Social Media Marketing · Web Development · Web Design

    Tangle Solutions is a software development and digital marketing agency.

    Write a review
11. 11

    

    Strowberry Code

    Mobile App Development · Custom Software Development · Web Development · Also in Albania

    Strowberry Code is an IT company based in Tirana and New Jersey. It builds websites, mobile apps and business software, and it also offers digital marketing.

    Write a review
12. 12

    

    Technologic Chattanooga

    Social Media Marketing · Mobile App Development · Web Design

    Technologic helps businesses get found and win clients online. It offers search engine optimisation, web design and development, and advertising through online channels.

    Write a review
13. 13

    

    CI Web Design Inc.

    Mobile App Development · Web Development · Web Design

    CI Web Design Inc. is a web design, development and marketing company in Dearborn Heights, Michigan. It was established in 2001.

    Write a review
14. 14

    

    Creative Media Enterprises

    Social Media Marketing · Web Development · Web Design

    Creative Media Enterprises is a graphic design, web design and digital marketing agency in Vancouver, Washington.

    Write a review
15. 15

    

    3wPlanet

    Web Development · Web Design · E-Commerce Development

    3wPlanet is a web agency that builds and manages custom online systems for businesses. It argues that a purpose-built application suits a company better than a mass-market package.

    Write a review
16. 16

    

    The Nine

    Mobile App Development · Web Development · Web Design

    The Nine is a digital agency with offices in Tuscaloosa and Portland.

    Write a review
17. 17

    

    AdliveTech

    Mobile App Development · Web Development · Web Design · Also in Delhi NCR

    AdliveTech is an IT and digital marketing firm that describes itself as based in California, with its team working from India.

    Write a review
18. 18

    

    VIVIDSITES

    Social Media Marketing · Web Development · Web Design

    VIVIDSITES is a full-service digital agency headquartered in Saint Louis, Missouri. It designs and builds websites and web applications, and runs the marketing that goes with them.

    Write a review
19. 19

    

    SPINX Digital

    Social Media Marketing · Mobile Platforms · CMS Development

    SPINX Digital is a web design and digital marketing agency in Los Angeles. It has operated there since 2004 and builds websites and mobile applications for brands.

    Write a review
20. 20

    

    3ilogics

    Mobile App Development · E-Commerce Development · Digital Marketing · Also in India

    3ilogics is an IT services company that covers web, mobile and marketing work under one roof. Its head office is in the San Francisco Bay Area. It has served clients since 2007.

    Write a review
21. 21

    

    Zadro Web

    Social Media Marketing · Custom Software Development · Web Development

    Zadro Web is the web arm of Zadro Solutions, Inc., a firm founded in 2007. It builds custom websites and applications and specialises in technical SEO.

    Write a review
22. 22

    

    ThreeSixtyEight

    Social Media Marketing · Web Development · Web Design

    ThreeSixtyEight is a web agency that designs and builds websites for B2B companies, nonprofits and public sector bodies.

    Write a review
23. 23

    

    The Coder

    Web Development · Web Design · UI/UX Design

    The Coder is a digital agency that began as a web development firm and now also covers branding, apps and online marketing.

    Write a review
24. 24

    

    Trademark Productions

    Mobile App Development · Web Development · Web Design

    Trademark Productions is a web design and digital marketing agency from Royal Oak, Michigan.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

Venture Capital

22 Oct 2026 · TrustList Editorial

Azoma raises $11.2m Series A to get brands picked by AI shopping agents

The Toronto and London company, a 2023 Techstars graduate, follows a $4m seed from December 2025. It says revenue grew almost tenfold in a…

United Kingdom

13 Oct 2026 · TrustList Editorial

Obsero raises $1.2m seed to track how AI assistants recommend brands

SFC Capital led the round and several customers invested; the London company says it tracked more than 10 million AI answers in its first…

Canada

7 Oct 2026 · TrustList Editorial

Zeta Global to acquire Toronto AI firm Senso, terms undisclosed

Senso, founded in 2017 and a Y Combinator company, helps brands appear in answers from AI chatbots. Its team moves to Zeta, which gives no…