Best California Startups SEO Companies

410 Companies - Rankings updated: July 16, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

Sponsored
United States × California ×

  • Internauts Design

    Design Against Cognitive Friction

    Design Against Cognitive Friction

    Internauts is a Neurodigital design studio that helps organizations create brands and digital experiences built around how people actually think, feel, and make decisions. The studio combines branding, UX/UI design, accessibility, AI-aware experiences, and cognitive design principles to reduce friction and...  View Internauts Design profile

    Top Services:

    • Branding
    • Logo Design
    • Product Design
    • Web Design
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $350/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Tech Bay Leaf

    Your One-Stop-Destination For Growth-Marketing.

    Your One-Stop-Destination For Growth-Marketing.

    We are Tech Bay Leaf, a leading data-driven digital marketing agency where curiosity meets creativity, & insights become sales. We specialize in providing digital specialists with flexibility and cost-effective solutions. Our presence is global and our marketing culture meets the demands of businesses as the...  View all reviews

    Top Services:

    • Creative Services
    • Digital Marketing
    • SEO
    • PPC
    • Graphic Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (10)

  • MobMaxime

    Top Mobile App and Web Development Company in Canada, USA and UK

    Top Mobile App and Web Development Company in Canada, USA and UK

    We design highly polished iPhone, Android and Web Apps for startups and Enterprise clients...  View MobMaxime's portfolio

    Top Services:

    • Mobile App Development
    • Web Development
    • UI/UX Design
    • IoT
    • Digital Marketing
    • Show more
    Location
    Sunnyvale, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • VOCSO Technologies

    Reimagine Growth With Cutting-Edge App Development

    Reimagine Growth With Cutting-Edge App Development

    VOCSO Technologies is an ISO 27001 certified web and mobile solutions company based in India, USA, and UAE. VOCSO Technologies is a one-stop web and mobile solutions agency, offers website design and development, mobile application design & development, and digital marketing services...  View VOCSO Technologies's portfolio  |  View all reviews

    Top Services:

    • Software Development
    • Web Design
    • eCommerce Development
    • Digital Marketing
    • SEO
    • Show more
    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.1 4.1 (56)

  • RW Infotech

    A Headless Commerce Agency

    A Headless Commerce Agency

    RW Infotech is a Dubai-based digital agency specializing in custom web development, headless CMS integration, and scalable digital solutions. Founded in 2012 and originally established in India, they now have operations in Dubai, USA, and Australia, serving clients globally...  View all reviews

    Top Services:

    • Digital Marketing
    • SEO
    • AI Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    3.7 3.7 (75)

  • SoftGrid Computers

    Innovate, Create, Excel.

    Innovate, Create, Excel.

    SoftGrid Computers is a prominent custom software development company that excels in blending the latest technologies with well-organized creative work. With a strong focus on understanding client needs and delivering optimal solutions, we strive to be a reliable partner that offers great value for money. Our...  View SoftGrid Computers profile

    Top Services:

    • Mobile App Development
    • Web Design
    • Software Development
    • Web Development
    • Reputation Management
    • Show more
    Location
    Santa Monica, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Invoxico Technologies

    Crafting Websites, Creating Success!

    Crafting Websites, Creating Success!

    Invoxico Technologies is an adept company in web design and development, acknowledged for its proficiency in crafting customized digital solutions. Their expert team focuses on UI/UX design, web development, CMS development, eCommerce solutions, and mobile app development, and offers a complete range of...  View all reviews

    Top Services:

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    La Puente, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (10)

  • Nextwebi It Solutions Pvt Ltd

    AI Enabled Digital Transformation

    AI Enabled Digital Transformation

    Nextwebi, a technology-driven digital transformation company delivering intelligent, AI-powered solutions to businesses of all sizes. We partner with startups, SMEs, & enterprises & help them adopt modern tech that improve efficiency, enhance customer experiences, &unlock new growth opportunities...  View Nextwebi It Solutions Pvt Ltd profile

    Top Services:

    • Web Development
    • Software Development
    • IT Services
    • Managed Services
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Hilton Technologies

    Driving Digital Growth Across Industries

    Driving Digital Growth Across Industries

    Hilton Software Technologies is an IT solutions company based in Hyderabad, delivering customized software, web, and digital services since 2013. The company helps businesses of all sizes accelerate growth through innovative technology, reliable support, and tailored digital solutions...  View all reviews

    Top Services:

    • Software Development
    • eCommerce Development
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Fremont, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.3 4.3 (10)

  • Website Design Valley

    Let Design, Function, and Strategy Meet!

    Let Design, Function, and Strategy Meet!

    We create websites and provide businesses with various opportunities to collect leads and make money from unexpected conversions. The custom website company is dedicated to fulfilling needs that our experts can handle. We only make the best promises when it comes to website creation...  View Website Design Valley's portfolio  |  View all reviews

    Top Services:

    • Branding
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    5 Projects Listed
    View Profile
    1.8 1.8 (3)

Related Services in California

Related SEO Specializations in California

Popular Services

Latest Trends Related to Startups SEO

What Is AEO
SEO

What Is AEO and How To Optimize for AI Search?

1,592
10 Most Important Questions To Ask When Hiring An SEO Agency
SEO

10 Most Important Questions To Ask When Hiring an SEO Company

3,608
SEO In-House vs. Outsourcing: Choosing the Right Path for Your Business
SEO

SEO In-House vs. Outsourcing: Choose the Right Path for Your Business

3,094