Digital Attic
Clovis, California, USADigital marketing agency
Long-running Central Valley agency in Clovis, near Fresno, offering web design, video, hosting and a dedicated SEO service including competitor, keyword and site audit work.
SEO Agencies in California
Compare 15 SEO agencies with a published business address in California, plus 59 serving the area remotely.
15published address
59serving remotely
8cities
4publish pricing
Most documented here: AI Search Visibility (9) · SEO Audits (5) · Technical SEO (5) · Shopify (2) · E-commerce (3). Counts cover the agencies listed on this site, not the whole market.
Listed A–Z. Order is not a ranking or quality score.
Ethos Ink
San Diego, California, USAE-commerce SEO agency
San Diego ecommerce SEO agency working with Shopify, WooCommerce, BigCommerce and other store platforms; offers ecommerce SEO audits, content and AI-search work.
Go Up
London, UKSpecialist SEO agency
London SEO and search marketing agency with a Los Angeles office.
225% increase in organic traffic to service pages within 18 months for AnyVan · agency-reported
Green Flag Digital
San Diego, California, USASpecialist SEO agency
San Diego SEO and content agency listing technical SEO and link building among its services.
Hennessey Digital
North Hollywood, California, USASpecialist SEO agency
Law-firm marketing agency in the Los Angeles area offering SEO, GEO and PPC for personal injury, criminal defense and other practices.
Ignite Visibility
San Diego, California, USADigital marketing agency
San Diego full-service digital marketing agency with a large SEO practice aimed at franchise, multi-location and ecommerce brands.
+130% indexed pages The Technical SEO Audit That Increased Indexed Pages by 130% · agency-reported
Intrepid Digital
Los Angeles, California, USADigital marketing agency
Los Angeles digital agency that says SEO is how it started.
LAv1
Los Angeles, California, USADigital marketing agency
Los Angeles digital marketing agency with organic and local SEO service pages, AI-search workflows and public case studies for local businesses.
Ranked #1 for “florists Beverly Hills” on Google Maps Luxury Flower Shop (Beverly Hills) · agency-reported
Los Angeles SEO Inc
Los Angeles, California, USASpecialist SEO agency
Los Angeles SEO company covering local, national, multi-location, enterprise, technical and ecommerce SEO, with content strategy and AI search optimization.
Re:signal
London, UKE-commerce SEO agency
Ecommerce-focused SEO, GEO and digital PR agency that describes itself as remote, with offices in London, Manchester and Los Angeles.
organic revenue grew 20X for ASICS · agency-reported
Self Image Media
San Diego, California, USADigital marketing agency
San Diego web design and local SEO agency for service businesses.
SEO NOW
Nashville, Tennessee, USASpecialist SEO agency
Nashville SEO and AI-search marketing agency with several listed office addresses, offering SEO services, GEO, AEO and AI optimization programs.
Siege Media
San Diego, California, USADigital marketing agency
Content-led SEO and GEO agency headquartered in San Diego with additional offices in San Francisco, Austin, Chicago and New York.
250,000 ChatGPT visits for Mentimeter · agency-reported
Travel Tractions
Cape Town, South AfricaSpecialist SEO agency
Travel and tourism SEO agency rooted in Cape Town with a San Francisco presence, offering SEO consulting, hotel SEO, content and a fixed-price AI and GEO visibility audit for travel brands…
Wiideman Consulting Group
La Mirada, California, USASpecialist SEO agency
Southern California SEO and SEM consultancy led by Steve Wiideman, offering audits, multi-location SEO, training and expert-witness work.
Agencies serving this area remotely
They state they serve United States but have no published address in California.
Augurian
Minneapolis, Minnesota, USA · Technical SEO · SEO Content Strategy · Website Migration SEO
Badass Web Goddess
Albuquerque, New Mexico, USA · SEO Audits · Local SEO
