A premier full-service digital marketing agency with a mission to provide the most effective digital marketing solutions in the industry.
Top Rated10+ YearsMid-Size
PPC & Performance MarketingSEO ServicesTOP 10 LIST•2026
Top 10 Social Media Marketing Agencies in California (2026)
The best social media marketing agencies in California, curated by AgencyCluster.
10 verified agencies
10+ years avg. experience
Updated
The Top 10
The absolute best in social media marketing
Growth marketing firm integrating social media with SEO and content strategies for comprehensive digital transformation.
Top Rated10+ YearsMid-Size
Social Media Marketing
Full-service social creative digital agency based in Los Angeles specializing in creative content and social strategy.
Top Rated10+ YearsSmall Team
Social Media Marketing
A unified team of performance marketing, design, and video production experts that delivers customized digital experiences.
Top Rated10+ YearsSmall Team
PPC & Performance MarketingSocial Media Marketing
Performance creative agency specializing in UGC and micro-influencer marketing for scalable brand campaigns.
Rising Star5+ YearsMid-Size
Social Media Marketing
Award-winning influencer marketing agency designing human-to-human campaigns that prioritize brand experiences.
Rising Star15+ YearsSmall Team
Social Media Marketing
Influencer marketing agency delivering above-benchmark engagement rates through organized data-driven campaigns.
Rising Star5+ YearsMid-Size
Social Media Marketing
Silicon Valley-based digital marketing agency providing social media management and content creation for B2B and B2C SMB companies.
5+ YearsBoutique
Social Media Marketing
Award-winning UI/UX and branding agency working with world's biggest brands and innovative startups.
5+ YearsMid-Size
Web DevelopmentBranding & Creative Design
Virtual assistant and DevOps consulting provider offering cloud migration, infrastructure automation, and CI/CD implementation services.
5+ YearsMid-Size
Social Media MarketingSEO ServicesTop 10 Social Media Marketing Agencies — FAQ
Common questions about the best social media marketing agencies in California.
Who is the #1 social media marketing agency in California in 2026?
As of 2026, the top-ranked social media marketing agency in California on AgencyCluster is Ignite Visibility, with an AgencyCluster Score of 97/100. Rankings are based on verified evidence across credibility, proof of work, reputation, category specialization, delivery maturity, and freshness. Rankings are updated periodically as new evidence becomes available.
How were the top 10 social media marketing agencies in California selected?
This list features 10 agencies selected from AgencyCluster's curated directory. Each agency was evaluated using the AgencyCluster Score (0–100), with particular weight on demonstrated expertise in social media marketing. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 10+ years of experience. For full methodology details, see our How We Rank page.
What should I look for when choosing a social media marketing agency from this list?
Ask for engagement rate case studies, not just follower counts. Check if they create original content or rely on stock imagery and templates. Ask about their paid social capabilities — organic reach alone rarely drives business outcomes. For B2B, ask specifically about their LinkedIn and thought leadership experience.
How much do the top social media marketing agencies typically charge?
Social media management retainers range from $3K–$15K/month. Content production (photo, video, copywriting) adds $2K–$10K/month. Paid social management (in addition to ad spend) runs $2K–$8K/month.
Trusted Rankings
Every agency on this list has been reviewed by our editorial team. Rankings are based on our transparent methodology which evaluates credibility, outcomes, and reputation.
No paid rankingsVerified credentialsUpdated regularly
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