Best California Startups SEO Companies

316 Companies - Rankings updated: September 01, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

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  • Kiosk Creative

    We connect the dots between insights and impact, creativity and conversion, people and purpose.

    We connect the dots between insights and impact, creativity and conversion, people and purpose.

    Kiosk is a full-service marketing agency that connects the dots between insights and impact, creativity and conversion, people and purpose. Headquartered in Novato, California, we drive meaningful results by putting people at the heart of everything we do...

    Top Services:

    • CRO
    • Advertising
    • Branding
    • Content Marketing
    • Social Media Marketing
    • Show more
    Location
    Novato, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $210/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • Evolve Media

    Digital Marketing Solutions

    Digital Marketing Solutions

    With expertise in emerging and traditional markets, experience working with blue chip and new chip companies, and the support of a committed development team, we have been partnering with customers across North America and abroad interested in building their brand and on-line presence since 1996...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • VR/AR
    • Show more
    Location
    Claremont, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $220/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    View Profile
    4.9 4.9 (21)

  • Goyim Design Strategies LLC

    Supercharge Your Growth With Multi-Agent Intelligence

    Supercharge Your Growth With Multi-Agent Intelligence

    Goyim Design Strategies delivers premium websites, custom applications, and industry-specific SaaS platforms with full code ownership and sovereign decentralized hosting. Based in San Diego, we eliminate monthly fees and vendor lock-in with high-performing systems built for speed and independence...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • Mobile App Development
    • AI Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $225/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed
    View Profile

  • Slake Marketing

    Less Chaos. More Clients.

    Less Chaos. More Clients.

    Slake Marketing is a Los Angelesbased digital marketing agency that helps solopreneurs and small to medium-sized businesses grow their brands with clarity and confidence. The agency offers website and branding design, photography, strategy coaching, and integrated design-and-coaching packages, providing a...

    Top Services:

    • Digital Marketing
    • Business Consulting
    • Web Design
    • Branding
    • eCommerce Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
    View Profile
    4.6 4.6 (3)

  • Marketing by Data

    We Help All Types of Businesses With Digital Marketing

    We Help All Types of Businesses With Digital Marketing

    Marketing by Data is a digital marketing agency specializing in data-driven strategies to help businesses achieve their marketing goals. They offer services such as SEO, PPC, email marketing, social media advertising, website development, and analytics. With a focus on transparency and measurable results...

    Top Services:

    • Digital Marketing
    • Social Media Marketing
    • Advertising
    • SEO
    • PPC
    • Show more
    Location
    Burbank, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (8)

  • Foamers

    We Help Attorneys Finally Make Money on Their Marketing.

    We Help Attorneys Finally Make Money on Their Marketing.

    Lawyers are notoriously bad marketers. That's why we exist. We help lawyers get found on the internet and make money off their marketing budget with a full suite of digital marketing services - SEO, PPC, social media, design and more. Our team is made up of local expert who know what it takes to be successful...

    Top Services:

    • Digital Marketing
    • PPC
    • SEO
    • Advertising
    • Show more
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • Rizer Technology Solutions

    We Help Your Business Grow Online.

    We Help Your Business Grow Online.

    Rizer Technology Solutions is an award winning and 5-star reviewed creative web agency specializing in developing and promoting businesses online through innovative website design, website development, and online marketing strategies. Our specialty is working closely with companies in understanding their...

    Top Services:

    • PPC
    • Web Design
    • Web Development
    • SEO
    • Social Media Marketing
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (11)

  • Firecracker PR

    We Help You Get Known, Period

    We Help You Get Known, Period

    Firecracker PR is a new generation public relations agency that helps companies get known. For over 20 years, their proven 5-step process called Ignites has helped organizations large and small get the press they deserve. Firecracker's "Ignites" 5-step process has been helping brands get media coverage for...

    Top Services:

    • Public Relations
    • Reputation Management
    • Content Marketing
    • SEO
    • Social Media Marketing
    • Show more
    Location
    Brea, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (1)

  • Single Origin Media, LLC

    Be the answer AI gives — Senior-led SEO, AI Search & Web Design for Legal, Health & B2B Teams

    Be the answer AI gives — Senior-led SEO, AI Search & Web Design for Legal, Health & B2B Teams

    Single Origin is a senior, design-led marketing team building for the AI-search era. SEO, AI visibility, paid media, and web design under one roof and one accountable partner, tested over the last decade...

    Top Services:

    • AEO
    • SEO
    • WordPress Website Design
    • Web Design
    • Digital Marketing
    • Show more
    Location
    Walnut Creek, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.5 4.5 (2)

  • #1 SEO

    San Diego Search Engine Optimization Expert and (AEO) Answer Engine Optimization Specialist

    San Diego Search Engine Optimization Expert and (AEO) Answer Engine Optimization Specialist

    Eric Strate is a pioneering Answer Engine Optimization (AEO) Expert based in San Diego. He is the creator of the Web Answer Citation Protocol (WACP), a method for optimizing web architecture for token-efficient AI retrieval and energy efficiency...

    Top Services:

    • AEO
    • SEO
    • Digital Marketing
    • Content Marketing
    • CRO
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • DECOSTA Global

    Achieving the Unachievable.

    Achieving the Unachievable.

    We create and manage the world's most iconic brands. Brand and product agency that delivers heroic work and legendary clients. DECOSTA has worked with clients in a wide range of industries including entertainment, consumer goods, technology, energy, finance, and more...

    Top Services:

    • Digital Services
    • Branding
    • Creative Services
    • Product Design
    • Digital Strategy
    • Show more
    Location
    Burbank, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
    View Profile
    5.0 5.0 (1)

  • Threefifty

    Skin In The Game

    Skin In The Game

    Threefifty is a leading CRO agency known for delivering rapid, measurable growth through data-driven optimization strategies. By leveraging proven insights and personalized conversion techniques, the agency helps high-profile clients maximize revenue and improve performance across digital channels...

    Top Services:

    • UI/UX Design
    • Web Design
    • Web Development
    • Creative Services
    • Branding
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $350/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • 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...

    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

  • Website Design Hive

    Smart Websites Built For Growth

    Smart Websites Built For Growth

    Website Design Hive creates stunning websites, logos, apps, and animations while driving growth through SEO, PPC, and digital marketing. We turn ideas into results-driven online experiences...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • Logo Design
    • Branding
    • Show more
    Location
    Campbell, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $450/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • Brandon Leuangpaseuth, LLC

    Growing Your Reach, One Click at a Time.

    Growing Your Reach, One Click at a Time.

    Unlock your business potential with Brandon Leuangpaseuth, your go-to SEO wizard helping you attract more traffic, engage audiences, and convert leads effectively...

    Top Services:

    • SEO
    • Content Marketing
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $500/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • AFX Web Studio

    A Full Service Digital Solution Agency

    A Full Service Digital Solution Agency

    AFX WEB STUDIOS operates as a comprehensive web design agency, dedicated to facilitating the expansion of businesses' online presence. Our team comprises seasoned professionals with a specialization in crafting visually captivating and user-centric websites, offering local SEO expertise to enhance search...

    Top Services:

    • Web Design
    • SEO
    • WordPress Website Design
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $2000/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.5 4.5 (2)

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