Digital Marketing Agencies in California

1,208 digital marketing agencies are listed in California, United States. 41 have been assessed on the Agency List Score as of September 2026; the highest-ranked is Avita Group at 96.1.

Ranked · 29 of 41 assessed

Ordered by Agency List Score
#1 of 41 assessed
Avita Group
96
Verified

AI optimization and SEO for measurable digital growth

Ads ManagementContent MarketingConversion Rate Optimization
#2 of 41 assessed
Simplicity Media
96
Verified

Media planning across TV, CTV, radio, podcast, and programmatic for growth-stage brands

Ad Operations and TraffickingAds ManagementAnalytics & Reporting
#3 of 41 assessed
Royal Digital Agency
95
Verified

Medical website design and digital marketing for healthcare providers and clinics

Content MarketingConversion Rate OptimizationLead Generation
#4 of 41 assessed
Formula Marketing
94
Verified

Performance marketing and AI-driven strategies for measurable brand growth.

Content MarketingLead GenerationSearch Engine Optimization
#5 of 41 assessed
Brimar Online Marketing
94
Verified

Web design, SEO, and PPC for client conversion

Email MarketingLanding PagesLead Generation
#6 of 41 assessed
1EZ Creative
93
Verified

Branding and web services for inbound lead capture and search visibility

Ads ManagementContent MarketingLead Generation
#7 of 41 assessed
Running Fish
93
Verified

Website design, SEO, and hosting for San Diego's local business sectors

Content MarketingEmail MarketingSocial Media Management (SMM)
#8 of 41 assessed
L7 Creative
92
Verified

Digital marketing and branding for healthtech and eCommerce growth

Ads ManagementEmail MarketingLead Generation
#9 of 41 assessed
Proleadsoft
91
Verified

iOS, Android, and web development paired with SEO and cloud migration

Analytics & ReportingSearch Engine OptimizationWebsite Optimization
#10 of 41 assessed
Doodle Digital
90
Verified

SEO, social media, and content marketing expertise

Content MarketingEmail MarketingSearch Engine Optimization
#11 of 41 assessed
Make My Brand
80
Verified

Brand development and growth with AI-driven insights

Content MarketingMarketing AutomationSearch Engine Optimization
#12 of 41 assessed
Crestech Software Systems Pvt
78
Verified

Dynamics 365 and ERP testing for manufacturing, retail, and financial services teams

Conversion Rate OptimizationSocial Media Management (SMM)
#13 of 41 assessed
Data4Amazon
78
Verified

SEO and PPC services for inbound lead capture and search visibility

Analytics & ReportingWebsite Optimization
#14 of 41 assessed
BugRaptors
78
Verified
Ads ManagementAnalytics & ReportingContent Marketing
#15 of 41 assessed
Marketers Avenue
78
Verified

Boosts business revenue with SEO and social media marketing.

Ads ManagementContent MarketingEmail Marketing
#16 of 41 assessed
Search Business Group
78
Verified

SEO, PPC, and Web Design for Diverse Industries

Content MarketingSearch Engine OptimizationWebsite Optimization
#17 of 41 assessed
Webseotrends
78
Verified

Delivers measurable growth through technical SEO and tailored digital strategies

Ads ManagementContent MarketingConversion Rate Optimization
#18 of 41 assessed
Twelve12
74
Verified

Branding, marketing, and web design for Orange County businesses

Website Optimization
#19 of 41 assessed
Clap Creative
73
Verified

Custom web design and ecommerce development across Shopify, Magento, and WordPress

Search Engine OptimizationSocial Media Management (SMM)Website Optimization
#20 of 41 assessed
Fileroom
73
Verified

Empowers B2B growth with HubSpot and AI-driven marketing.

Content MarketingMarketing AutomationSearch Engine Optimization
#21 of 41 assessed
ShapiroPR
73
Verified

Public relations for authors, experts, and lifestyle brands

Reputation ManagementSocial Media Management (SMM)
#22 of 41 assessed
CallZent Affordable Nearshore Call Center And BPO In Tijuana
73
Verified

Bilingual call center and BPO staffing from Tijuana and Hermosillo, Mexico

Lead GenerationMarketing Automation
#23 of 41 assessed
Demo FAQ What
73
Verified

Turns static PDFs into interactive, shoppable digital catalogs with e-commerce integrations

Marketing AutomationSocial Media Management (SMM)
#24 of 41 assessed
WebPower
73
Verified

Local SEO and Digital Marketing for Small Businesses

Social Media Management (SMM)Website Optimization

Also in California · 1,179 not ranked here

1,167 have not yet been assessed on the Agency List Score. Alphabetical.
(949) Local Internet Marketing, Orange County, CAView profile →10Fold CommunicationsView profile →10TH DEGREEView profile →12 Steps MarketingView profile →1545 MediaView profile →18 EastView profile →1marketingideaView profile →20|20 Creative GroupView profile →201 CreativeView profile →2014 AgencyAxisView profile →220 Marketing GroupView profile →2LeafView profile →2POINTView profile →3 Stage MarketingView profile →336 ProductionsView profile →360 CircuitsView profile →365 Digital AgencyView profile →38WestView profile →39 CelsiusView profile →3fold CommunicationsView profile →3marketeers AdvertisingView profile →405 AdsView profile →424 WebView profile →440 CreatesView profile →
1,063 more listed here are not shown on this page.

About this ranking

What this page ranks

This page ranks 29 of the 41 assessed digital marketing agencies in California, United States — the ones carrying a published score — out of 1,208 listed.

The score measures how well an agency documents its own work in public — named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than described as the client's own results. It does not measure client satisfaction, price, or availability.

Cohorts and awards

Agencies are compared within a cohort — here, Digital Marketing in California, United States. A cohort must be large enough to express the band being awarded: at least 8 assessed agencies for a top 25% award, 20 for top 10%, 40 for top 5%, and 300 for top 1%. This one holds 41, so the strongest award available here is top 5%.

The 1,167 digital marketing agencies not yet assessed are listed on this page but not ranked.

A further 12 were assessed and no published evidence of their work was found, so no score is shown for them.

Read the full methodology

Paid placement

Partner agencies can buy a labelled placement block above the ranking on this page. It is always marked as paid and is never mixed into the ranked list.

Placement is paid; it does not affect the ranking, cohort membership, or any agency's score. Ranking position, cohort membership and the score itself are not for sale.

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Questions

How many digital marketing agencies are in California, United States?
1,208 are listed on Agency List in California, United States. 41 of them have been assessed on the Agency List Score as of September 2026, and 29 of those carry a published score.
Which digital marketing agency in California, United States is ranked highest?
Avita Group, with an Agency List Score of 96.1, ranks #1 of 41 assessed agencies in Digital Marketing in California, United States.
Why are 1,179 digital marketing agencies listed here but not ranked?
1,167 of the 1,208 listed have not yet been assessed on the Agency List Score. A further 12 were assessed and no published evidence of their work was found, so no score is shown for them. They each have a profile and are listed below the ranking, alphabetically, rather than being hidden or mixed into it.
How is the ranking determined?
By Agency List Score, within the Digital Marketing in California, United States cohort of 41 assessed agencies. The score is computed from evidence published on each agency's own website: named clients, quantified outcomes, and whether the outcome is attributed to the agency. Paid placement does not affect it.