Best SEO Agencies in California (2026) – Ranked by Case Studies
PPC, SEO
Ecommerce
51-200 Employees
N/A
North Hollywood, CA
N/A- 155% Increase in Revenue Growth
- 189% Increase in Paid Ad Revenue
- 321% Increase in ROAS
- 49% Increase in Paid CPA
- 121% Increase in Items sold via SEO
Social Media Ads, SEO, PPCManufacturing11-50 EmployeesN/ASanta Rosa, CAN/A- +291% Ad Sales
- -27% Advertising Cost of Sale (ACoS)
- -42% Cost-Per-Click (CPC)
- +33% Units Sold
SEO, Local SEO, GEORetailN/AN/ABeverly Hills, CAN/A- Organic sessions up 218% in 8 months (about 550 to 1,750 per month)
- #1 Google Maps listing for "florists Beverly Hills"
- Business profile calls up 305% and direction requests up 190%
- Appears in about 70% of tested AI queries, vs. 0% before
- Page one (#4) for "best flower delivery Beverly Hills"
Local SEO, SEOSenior CareN/AN/AAltadena, CAN/A- 62 keywords in Google's top 10
- 8 keywords ranking #1 in map results
- 63% increase in search visibility in six months
- 1.3M monthly impressions
Web Development, Web Design, SEOHealthcareN/AN/ALos Angeles, CAN/A- 177% organic traffic increase
- 1,000,000 search impressions
- 20% improved member satisfaction
Web Design, SEO, PPCFood & BeverageN/AN/APetaluma, CAN/A- Website redesigned after five years and launched November 2022
- SEO-optimized content and accessibility improvements
- Destini store locator installed
- Client team can update the site without a developer
Web Design, Web Development, SEOEntertainmentN/AN/AWoodland Hills, CAN/A- Entire portfolio unified under one domain
- Redesigned navigation, search and filtering
- Site restructured for SEO across 50+ locations and multiple brands
GEO, SEOHealthcareN/AN/ABeverly Hills, CAN/A- ~182 AI citations across 6 engines, up from ~19 across 3 (~10x in 5 months)
- 40-49 web leads per month with 100% lead tracking
- 190 keywords improved and 50 broke into the top 20
SEO, Web DesignCyber Security11-50 EmployeesN/ASan Mateo, CAN/A- Met and exceeded outcomes in a two-phase SEO engagement (May-Dec 2025)
- SEO, web design and development
SEOFinanceN/AN/APalo Alto, CAN/A- Organic traffic +295% (105 to 415 visits) in 3 months
- Overall traffic +150% (333 to 832 visits)
SEO, Local SEORetailN/AN/ALivermore, CAN/A- 300% increase in keywords ranking 1st on SERPs
- First-page rankings for every location page (33 locations)
SEO, Content MarketingConsumer GoodsN/AN/ALos Angeles, CAN/A- Blog content drove revenue and traffic growth within 9-12 months
- Posts kept bringing new traffic months after publishing
SEO, Web DevelopmentAutomotiveN/AN/AAnaheim, CAN/A- 64% increase in conversion rate
- 83% increase in user engagement
Branding, Web Design, SEOHome ServicesN/AN/ALos Angeles, CAN/A- Brand, logo and landing page for an appliance repair startup
- Near-100% PageSpeed and local SEO structure
SEOHealthcareN/AN/ALos Angeles, CAN/A- 83.41% Increase in Users from Organic Search
- 81.30% Increase in Sessions from Organic Search
SEO, Content MarketingSoftware Development10K+ EmployeesN/ASan Jose, CAN/A- 934% increase in total keyword rankings
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