Best SEO Agencies in San Francisco, CA (2026) – Ranked by Case Studies

UFO Performance Marketing Visit Website →

Blade & Blue Client-verified

PPC, SEO, Email Marketing

Fashion

N/A

San Francisco, CA

N/A

+405% ROAS on paid campaigns
+65% revenue growth
+71.2% increase in conversion rates

TripleDart Digital Visit Website →

Helpshift Client-verified

PPC, SEO, GEO

SaaS

201-500 Employees

N/A

San Francisco, CA

N/A

16x pipeline influence and 5x ROAS over 24 months
Brand awareness among the ICP +80%
$700K pipeline influenced via ABM
Opportunities created +26%

MarketCrest Visit Website →

Warren Law Firm Client-verified

SEO, PPC

Law Firm

N/A

San Francisco, CA

N/A

Revenue tripled, from $650K in 2021 to $1.9M in 2023 (21 months)
Google PPC returned up to 9X ROI on ad spend
1,730 PPC conversions from January to August 2023
474% increase in SEO keywords
Monthly organic traffic up from 69 to 4,200 visitors

Victorious Visit Website →

ClassDojo

SEO

Education

201-500 Employees

N/A

San Francisco, CA

N/A

1,000% Increase in Target Page Organic Traffic
1M+ Monthly Organic Search Visitors
13% Increase in Organic Traffic

Gema & Co

SEO

Jewelry

1-10 Employees

N/A

San Francisco, CA

N/A

421% Increase in Organic Traffic
291% Increase in Organic Revenue
250% SEO Campaign ROI

SoFi

SEO

Fintech

5K-10K Employees

N/A

San Francisco, CA

N/A

11,900 Page-One Keywords Achieved
3,220 Increase in Tracked Keyword Growth
#1 Ranking for "Student Loan Refinance"

Siege Media Visit Website →

Secureframe

Content Marketing, SEO

Cyber Security

201-500 Employees

N/A

San Francisco, CA

N/A

560% Increase in Organic Traffic to Blog in 6 Months
17 Pieces of Siege-Generated Content Ranking Page One
95% Increase in Links in 6 Months

Instacart

Content Marketing, SEO

Ecommerce

1K-5K Employees

N/A

San Francisco, CA

N/A

451K Increase in Organic Traffic to Blog
46.5K Citations in LLMs
13K New Links to Website

Zendesk

Content Marketing, SEO

SaaS

5K-10K Employees

N/A

San Francisco, CA

N/A

$959K Traffic Value Increase
657% Increase in Organic Traffic to Blog
98% Visibility in LLMs for Industry Queries

NP Digital Visit Website →

Lantern by SoFi

SEO

Fintech

1K-5K Employees

N/A

San Francisco, CA

N/A

1,164% increase in position 1-3 rankings YoY
561% increase in organic search traffic YoY
260% increase in "Select Offer" conversions YoY

SoFi Invest

SEO

Fintech

1K-5K Employees

N/A

San Francisco, CA

N/A

509% increase in organic search sessions YoY
22,337 new funded accounts from organic search
605 new position 1-3 rankings for non-branded keywords

Brightside Health

SEO, Content Marketing

Mental Health

201-500 Employees

N/A

San Francisco, CA

N/A

74% keyword growth
300 new backlink domains
70% increase in blog traffic

Moburst Visit Website →

Calm

SEO

Wellness

201-500 Employees

N/A

San Francisco, CA

N/A

36% growth in organic installs within 6 months
684% increase in keywords ranked in top 15 positions
521% increase in cumulative traffic
Top 10 ranking in Health & Fitness category

SEO

Publishing

1K-5K Employees

N/A

San Francisco, CA

N/A

Over 90% increase in organic downloads in under a year
700+ phrases indexed in App Store top 5 rankings

Uber

SEO

Ride-Hailing

10K+ Employees

N/A

San Francisco, CA

N/A

27% growth in organic downloads in 90 days
Keyword strategy across 10 languages

Omniscient Digital Visit Website →

Teambridge

SEO, Content Marketing

SaaS

51-200 Employees

N/A

San Francisco, CA

N/A

$400,000 in qualified pipeline
385% increase in monthly organic conversions
128% growth in top 20 keyword rankings
89% increase in monthly search impressions
41% increase in monthly search clicks

SuperTokens

SEO, Content Marketing

SaaS

1-10 Employees

N/A

San Francisco, CA

N/A

94% increase in sitewide organic sessions
60% increase in blog organic sessions

KlientBoost Visit Website →

Excedr

SEO

Lab Equipment

11-50 Employees

N/A

San Francisco, CA

N/A

1,512% Increase in Conversions
702% Increase in Organic Traffic

Excedr

PPC, SEO, Web Design

Lab Equipment

11-50 Employees

N/A

San Francisco, CA

N/A

49% Increase in Impression Share
57% Increase in Conversions
12% Decrease in CPA
20% Increase in Conversion Rate

Genius PR Visit Website →

0G Labs

Content Marketing, SEO

Technology

N/A

San Francisco, CA

N/A

45+ unique stories across 40+ publications in under 6 months
First Forbes feature within 7 weeks of onboarding
Backlinks nearly doubled, from 14K to 27K
Domain rating up from 63 to 69 (March to August 2026)
Bond announcement drew 8 pieces of coverage in 24 hours

0G Labs

Content Marketing, SEO

Technology

N/A

San Francisco, CA

N/A

50 approved media placements over 5 months
6.7M total views across earned media and syndications
Domain Rating of 69
26,000 backlinks from 2,700 referring websites

Previsible | The AI Discovery Agency Visit Website →

KQED

SEO

Media

201-500 Employees

N/A

San Francisco, CA

N/A

Google Discover up 10x in two years
Organic search up 2x and Google News up 3x

Intercom (Fin.ai)

SEO

SaaS

1K-5K Employees

N/A

San Francisco, CA

N/A

833K impressions in the first 30 days on a brand-new domain
2,100+ keywords ranked, including Top 3 positions

CSP Agency Visit Website →

Replicant

SEO, Content Marketing

51-200 Employees

N/A

San Francisco, CA

N/A

Goal conversions from 10 to 183 per month (+1,730%)
Keywords on page 1 from 20 to 172 (+760% first-page rankings)
+345% monthly impressions
+94% website clicks from Google

Bop Design Visit Website →

SafeHub

Web Design, Web Development, SEO

Technology

11-50 Employees

N/A

San Francisco, CA

N/A

169.59% increase in users
168.55% increase in sessions
20.95% increase in pages per session
13.60% increase in avg. session duration
6.15% decrease in bounce rate

Brainvire Visit Website →

The Futon Shop

SEO, AEO

Furniture

11-50 Employees

N/A

San Francisco, CA

N/A

Average keyword rank improved from ~23 to 6
1,700+ AI search citations across Google AI Overviews, ChatGPT and Gemini
#1 ranking for Futon Mattress

97th Floor Visit Website →

Tome

SEO, Content Marketing

SaaS

11-50 Employees

N/A

San Francisco, CA

N/A

67% Increase in Average Organic Traffic (US)
234% Increase in Ranking Keywords (US)
212% Increase in Keywords Ranking Positions 1-3 (US)

SEO Inc Visit Website →

IGN

SEO, Technical SEO, Content Marketing

Entertainment

501-1K Employees

N/A

San Francisco, CA

N/A

1500% Increase in Organic Search Traffic
Unique Visitors Doubled in 2 Months
Acquired by News Corp for $650M

Big Leap Visit Website →

Latest Solutions

SEO, Content Marketing

SaaS

11-50 Employees

N/A

San Francisco, CA

N/A

1900% Increase in Organic Traffic
1,624 Increase in Google Ranking Positions
121 New Keywords Ranking

Power Digital Visit Website →

PlushCare

SEO, Content Marketing, Public Relations

Healthcare

51-200 Employees

N/A

San Francisco, CA

N/A

45,400 Additional Keywords Gained
5,214% Increase in Keywords Ranking Positions 1-3
862% Increase in Organic Sessions
32% Campaign ROI

Elit-Web Visit Website →

Unlayer

SEO

SaaS

11-50 Employees

N/A

San Francisco, CA

N/A

3x organic traffic
1,700 referring links

Seer Interactive Visit Website →

Carta

SEO

Fintech

1K-5K Employees

N/A

San Francisco, CA

N/A

+800% conversion rate
+$44K new organic conversions

Brafton Visit Website →

AppDirect

SEO

SaaS

501-1K Employees

N/A

San Francisco, CA

N/A

1200+ organic users generated monthly since March
$30000+ in traffic value over 6 months