OpenServed

Best Email Marketing Agencies in California (2026) – Ranked by Case Studies

Social BloomVisit Website →
Bifrost Client-verified
Lead Generation, Email Marketing
AI
11-50 Employees
N/A
San Francisco, CA
N/A
  • $12.5M in pipeline value in one year
  • 10-20 calls booked per month
  • 32% average open rate, 4% positive reply rate
Best Lending Co Client-verified
Lead Generation, Email Marketing
Finance
1-10 Employees
N/A
San Diego, CA
N/A
  • $1.4M in pipeline value generated in 3 months
  • 82 SQLs generated
  • 142 leads generated
Advertise Purple Client-verified
Lead Generation, Email Marketing
Marketing
51-200 Employees
N/A
Santa Monica, CA
N/A
  • $1.5M in pipeline value generated in 90 days
  • 50+ SQLs generated
  • 3 outbound campaign verticals (TikTok Shop, Amazon, affiliate)
MarketJoy, Inc.Visit Website →
Publicity.ai Client-verified
Lead Generation, Email Marketing
SaaS
1-10 Employees
N/A
San Francisco, CA
N/A
  • 2 major deals closed in 2 months
  • 6 high-quality leads in month two
  • 4-5 qualified leads per month ongoing
WaterSmart (SmartEarth)
Lead Generation, Email Marketing
SaaS
N/A
N/A
San Francisco, CA
N/A
  • 306 leads from 114,423 emails sent
  • Exceeded meeting goals by 100% each month
  • 183 follow-up conversations
  • Opt-outs and competitor replies under 2%
DBM Cloud Systems
Lead Generation, Email Marketing
Software Development
N/A
N/A
Burlingame, CA
N/A
  • Lead goals hit within a 3-month engagement
  • Results from the first month of outreach
RejoinerVisit Website →
Momentous Client-verified
Email Marketing
Supplements
11-50 Employees
N/A
Palo Alto, CA
N/A
  • 62.5%+ increase in abandoned cart conversions in under six months
Ketone-IQ
Email Marketing
Food & Beverage
11-50 Employees
N/A
Los Angeles, CA
N/A
  • 30x company growth in three years
  • Subscription ratio grew from 30% to 70%
  • 41.1% boost in average active subscription length
  • $446,000+ in last-click retention revenue in 2024
Peak Design
Email Marketing
Consumer Goods
11-50 Employees
N/A
San Francisco, CA
N/A
  • 18x ROI
  • 26.32% CAGR in email revenue
  • $500K+ in last-click revenue in 2019
  • $1-2M estimated direct sales lift in 2019
BelkinsVisit Website →
Autodesk Client-verified
Lead Generation, Email Marketing
SaaS
10K+ Employees
N/A
San Francisco, CA
N/A
  • 35 Appointments booked in 4 months
  • 110% KPI achieved
Titan Growth
Email Marketing
Marketing
11-50 Employees
N/A
San Diego, CA
N/A
  • 84% email open rate
  • 99% email deliverability rate
Chronos AgencyVisit Website →
Truly Beauty Client-verified
Email Marketing
Beauty
N/A
N/A
Los Angeles, CA
N/A
  • 800% increase in monthly email performance
  • 333% increase in SMS revenue
  • 191% increase in new SMS subscribers
Organifi
Email Marketing
Supplements
51-200 Employees
N/A
San Diego, CA
N/A
  • 234% increase in email revenue in 6 months
  • 8x increase in email campaign openers
  • 75% increase in flow conversion
UFO Performance MarketingVisit Website →
Blade & Blue Client-verified
PPC, SEO, Email Marketing
Fashion
N/A
N/A
San Francisco, CA
N/A
  • +405% ROAS on paid campaigns
  • +65% revenue growth
  • +71.2% increase in conversion rates
Greenhouse MarketingVisit Website →
McConnell’s Client-verified
Email Marketing
Food & Beverage
N/A
N/A
Santa Barbara, CA
N/A
  • 313% Increase in Email Flow Revenue in 30 Days
  • 13% Increase in Repeat Purchase Rate in 90 Days
  • 46% Increase in Subscription Revenue in 90 Days
Coalition TechnologiesVisit Website →
Koyal Wholesale
Email Marketing
Entertainment
N/A
N/A
Fullerton, CA
N/A
  • 277% Increase in With Unique Clicks Up
  • 329% Increase in Organic YoY Revenue
  • 120% Increase in Organic Sessions
  • 516% Increase in Overall Revenue
  • 255% Increase in Sessions
Music Box Attic
Email Marketing, SEO
Gifts
1-10 Employees
N/A
Canoga Park, CA
N/A
  • 67% Increase in Organic Sessions
  • 68% Increase in Organic New Users and All Traffic Increased
  • 190% Increase in Organic Transactions
  • 139% Increase in All Traffic Transactions
Roku Inc.
Email Marketing, SEO
Consumer Electronics
1K-5K Employees
N/A
San Jose, CA
N/A
  • 25.47% Increase in Users
  • 27.15% Increase in Sessions
  • 8.81% Increase in New Users
  • 25% Increase in Users
  • 24.34% Increase in Users
The Pedowitz GroupVisit Website →
Panasas
Lead Generation, Email Marketing
Technology
51-200 Employees
N/A
San Jose, CA
N/A
  • 17% increase in net new leads
  • 241 form fills
  • 200+ unique company leads
  • 20%+ increase in engagement
Cloudera
Lead Generation, Email Marketing
Technology
1K-5K Employees
N/A
Santa Clara, CA
N/A
  • $250K managed spend on the platform
  • 0% downtime during the Pardot migration
  • 100% team alignment
  • 25%+ increase in marketing confidence
Cisco
Lead Generation, Email Marketing
Technology
10K+ Employees
N/A
San Jose, CA
N/A
  • 35% campaign efficiency gain
  • 30% lead qualification accuracy
  • 40%+ marketing attribution accuracy
  • 25% marketing-generated pipeline
BraftonVisit Website →
MoEngage
Content Marketing, Email Marketing
SaaS
501-1K Employees
N/A
San Francisco, CA
N/A
  • 1156 additional organic sessions
  • 10,466 increase in total site traffic
  • 136 asset downloads in 2022
  • 10K sessions from eBooks in a year
33 Threads
Email Marketing, Branding
Fashion
51-200 Employees
N/A
San Diego, CA
N/A
  • 700+ marketing emails delivered across 4 brands
  • 24% increase in peak-season email revenue YoY
  • 210% increase in automated flow revenue
  • 33%+ of total revenue driven by email
  • 106% increase in campaign-attributed revenue (TAVI promo)
NP DigitalVisit Website →
SuperMouth
Email Marketing
Dental
1-10 Employees
N/A
San Francisco, CA
N/A
  • 89% average open rate on resend campaigns
  • 67% increase from original sends (53.6%)
NEXGEN Asset Management
SEO, Email Marketing
SaaS
11-50 Employees
N/A
Sacramento, CA
N/A
  • 416% increase in unique pageviews
  • 56% increase in clicks
  • 300% increase in conversions
OuterBoxVisit Website →
Lang Antiques
Email Marketing
Jewelry
11-50 Employees
N/A
San Francisco, CA
N/A
  • 92nd Percentile in Open Rates vs. Peer Competition
  • 96th Percentile in Click Rates vs. Peer Competition
Mount-It!
Email Marketing, SMS Marketing
Ecommerce
51-200 Employees
N/A
San Diego, CA
N/A
  • 141% increase in average monthly revenue
  • 77 additional monthly orders
  • $3.40 revenue per recipient
  • 3x increase in revenue from welcome series optimization
SmartSitesVisit Website →
SōKO Cannabis
Email Marketing
Retail
1-10 Employees
N/A
San Diego, CA
N/A
  • 49% Increase in Revenue
  • 97% Increase in Email Deliverability
Jamie Anne Aesthetics
Email Marketing
Retail
1-10 Employees
N/A
Beverly Hills, CA
N/A
  • 121% Increase in Open Rate
  • 82% Improvement in Spam Rate
WpromoteVisit Website →
Wienerschnitzel
Social Media Ads, Email Marketing, CRO
Restaurant
5K-10K Employees
N/A
Irvine, CA
N/A
  • 3X more landing page views than ever before
  • 10K new email signups
  • 1K+ uses of hashtag across social channels
  • 15K+ engagements across social media channels
TinuitiVisit Website →
Wag!
Email Marketing, SMS Marketing
Pet Services
51-200 Employees
N/A
San Francisco, CA
N/A
  • +63% Pet Parent reactivation rate
  • +40% weekly active Pet Parents
  • +129% unique email opens YoY
  • +179% email deliveries increase
  • 9x growth in Pet Caregiver push notification deliveries
Big LeapVisit Website →
Solstice Medicine Company
Email Marketing
Wellness
1-10 Employees
N/A
Los Angeles, CA
N/A
  • 134% Increase in Total Email Revenue
  • 88% Increase in Revenue per Email
  • 90% Increase in Email-Driven Orders
NoGoodVisit Website →
Intuit
PPC, SEO, CRO, Email Marketing, SMS Marketing
SaaS
1K-5K Employees
N/A
Mountain View, CA
N/A
  • 500% Increase From Trial Sign-Ups to Active Users
  • 45% Increase in Trial Sign-Ups Using Persona-Specific Search Ads
  • 100% NPS Score
HelpGoodVisit Website →
ACEs Aware Initiative
Social Media Ads, Web Design, Email Marketing
Government
N/A
N/A
California, United States
N/A
  • 12k+ trainings completed
  • Engagement rate +340%
  • 45k email list
  • Website redesign and web management
Waypost MarketingVisit Website →
MedBridge Healthcare
PPC, Email Marketing, Web Design
Healthcare
N/A
N/A
San Diego, CA
N/A
  • +90.16% users and +102.78% sessions in a year
  • ~12% CTR on search campaigns
  • 9.63% email CTR vs under 7% industry average
Hawke MediaVisit Website →
Openpath
PPC, Email Marketing, SEO, Content Marketing
Home Security
N/A
N/A
Los Angeles, CA
N/A
  • Quality Leads +20%
  • First Page Rankings +2,894%
  • Cost Per Lead -61%
LYFE MarketingVisit Website →
CedarCraft
Email Marketing
Ecommerce
N/A
N/A
San Diego, CA
N/A
  • 63 Orders
  • $12,715.81 Total Revenue
  • $215.65 Average Order Revenue
  • 1,974 Emails Sent
  • 47.1% Open Rate
Power DigitalVisit Website →
Pura Vida
PPC, Email Marketing, SMS Marketing
Jewelry
N/A
N/A
La Jolla, CA
N/A
  • 136% Revenue Increase Quarter-Over-Quarter
  • 27% Revenue Increase Over Black Friday/Cyber Monday
  • 40% Increase in Shopping Revenue
Motion AgencyVisit Website →
Blue Diamond Almonds
Lead Generation, Email Marketing, Content Marketing
Food & Beverage
1K-5K Employees
N/A
Sacramento, CA
N/A
  • 800+ new B2B leads, 10x the initial goal
  • Database growth of 34% year over year
Elevation MarketingVisit Website →
Equinix
Content Marketing, Email Marketing, Branding
Technology
10K+ Employees
N/A
Redwood City, CA
N/A
  • Elevation improved the editorial consistency and brand compliance for email content across Equinix worldwide.
  • Creative, relevant campaign themes focus and energize Equinix’s internal team and are starting to increase click rates.

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