Our industry experts identified the top-performing California email marketing companies creating highly targeted and personalized emails to engage your audience and drive sales. You can narrow down your search for the most suitable partner using our practical filtering tool below.

Best California Email Marketing Company Rankings

5 Companies-Rankings updated: September 12, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

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United States × California × Gaming × Sort by: Avg Hourly Price: High to Low ×Clear Filters

  • Cast Iron LA

    Big Agency Brains, No Agency Bloat

    Cast Iron LA is a full-service creative agency in Los Angeles built for brands doing $5M to $50M in revenue. Founded by Luis Ramirez (art director) and J. Barbush (copywriter), we bring 30+ years of combined Fortune 500 experience to companies that need real creative strategy without the overhead of a...

    Top Services:

    • Advertising
    • Branding
    • Logo Design
    • UI/UX Design
    • PPC
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000

    Cast Iron LA Services

    • Advertising
    • Branding
    • Logo Design
    • UI/UX Design
    • PPC
    • Social Media Marketing
    • Content Marketing
    • Email Marketing
    • Web Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Hilti
    • The Dempsey
    • East West Bank
    • Cedar Electronics
    • USABS
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile
    5.0 5.0 (4)

  • Neon Growth

    Led by Nike's Former Global Director of Paid Media

    Led by Nike's former Global Director of Paid Media, we specialize in scaling brands with proven strategies in paid media, creative, CRO, email, SMS & lifecycle marketing. Our expertise in driving global growth ensures results for businesses ready to scale fast...

    Top Services:

    • Media Buying
    • Digital Marketing
    • eCommerce
    • Social Media Marketing
    • PPC
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed

    Neon Growth Services

    • Media Buying
    • Digital Marketing
    • eCommerce
    • Social Media Marketing
    • PPC
    • CRO
    • Creative Services
    • Email Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • FTD Flowers
    • Equinox
    • Soundboks
    • Blade
    • ProFlowers
    • Glitzy Girlz Boutique
    • Bucketlisters
    • Spinn
    • Crump & Co
    • Drip Hydration
    Data sourced from the agency's DesignRush profile

    Neon Growth Reviews & Testimonials

    • Tori Gerbig
      Tori Gerbig Founder at Pink Lily
      5.0★

      Retail Advertising Review from Tori Gerbig

      The team demonstrates a high level of skill and persistence in identifying problems and providing solutions. With their proven track record, you can confidently rely on their performance and take a backseat.

    • Jacqui Sim
      Jacqui Sim HR Manager at Vivero
      5.0★

      Marketing Strategy Review from Jacqui Sim

      A highly professional company that takes the time to comprehend the requirements of its clients and strives to guarantee that the finished output satisfies those requirements.

    • William R Marchand
      William R Marchand President at Webisoft
      5.0★

      App Marketing Review from William R Marchand

      With Neongrowth we have exceeded their app download goals by 5x; our CPI rate is below the industry average as well. The team has impressed us with their ability to produce effective campaigns at a budget-friendly price. Also, the assigned campaign manager has been reliable.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    4.9 4.9 (23)

  • GLG Studio

    Strategy + Storytelling + Design For Mission-driven Impact.

    GLG Studio is a Black-owned creative strategy and communications studio based in Los Angeles and Oakland. We help mission-driven organizations and public-sector partners translate complex work into clear, culturally fluent campaigns that build trust and drive action. We blend stakeholder-informed strategy...

    Top Services:

    • Branding
    • Advertising
    • Market Research
    • Public Relations
    • Content Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000

    GLG Studio Services

    • Branding
    • Advertising
    • Market Research
    • Public Relations
    • Content Marketing
    • SEO
    • Graphic Design
    • Video Production
    • Email Marketing
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Fastly
    • Just Cities
    • University of Utah
    • Orlando Magic
    • Kids R Kids
    • Utah Valley University
    • United We Rise
    • Chan-Zuckerberg Initiative
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile

  • SmartSites

    VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.

    Think Web. Think Smart. Partner With the #1 Rated Digital Marketing Agency.

    Outsmart the competition with best-in-class digital marketing services. With over 1,000 5-star reviews online, SmartSites is America #1 rated digital marketing agency. Call (201) 870 6000 for a free consultation. Get more traffic. Acquire more customers. Sell more stuff. SmartSites works for you...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Email Marketing
    • Show more
    Location
    San Diego, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Portfolios Count
    4 Projects Listed

    SmartSites Services

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Email Marketing
    • Web Design
    • Web Development
    • Advertising
    • eCommerce
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • A&A Thermal Spray
    • AGA Truck Parts
    • Agape Health and Wellness
    • Agile Data Sites
    Data sourced from the agency's DesignRush profile

    SmartSites Reviews & Testimonials

    • Paloma Anguiano
      Paloma Anguiano Content Manager at JP Pierre, LLC.
      5.0★

      Digital Services Review from Paloma Anguiano

      Overall I feel very confident working with Patrizia and Darius from Smart Site, they have given us clear explanations and accompanied us throughout the process for the growth of the brand. The attention to us is very fast and they advise us in an adequate way.

    • Brianna Porter
      Brianna Porter Chief Operating Officer at The Ryan Law Group
      5.0★

      Digital Services Review from Brianna Porter

      SmartSites impressed me from day one. They are knowledgable, kind, and most importantly keep things simple and streamlined so that even an SEO-newb like me can understand. Tiffany and Luna are my main points of contact and they are especially great! I would recommend to anyone looking for an agency to really take their website and digital presence to the next level.

    • Jim Curry
      Jim Curry Owner at Royale Coffee Co.
      5.0★

      PPC Review from Jim Curry

      At first, a survey was conducted to gather company background, product information, target markets, etc. Next, accounts were established on various Google Business platforms, social media, etc. Then SmartSites created the ads and campaigns, and we were off and running in just a few weeks.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    5.0 5.0 (270)
    4.9 4.9 (906)

  • JZ Creates

    We Create Content That Catches Eyes.

    Our passion is beautiful creative agency powered by AI that disrupts the feed and captivates viewers. Were creators, storytellers, and masters of visual effects. From mesmerizing animations to jaw-dropping special effects, we pour our passion into every frame. We strongly believe that great creative = great...

    Top Services:

    • Video Production
    • Creative Services
    • Design Services
    • Graphic Design
    • Branding
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    JZ Creates Services

    • Video Production
    • Creative Services
    • Design Services
    • Graphic Design
    • Branding
    • Social Media Marketing
    • Digital Marketing
    • Content Marketing
    • Email Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Jives Media
    • Lucky Strike
    • Farmer's Cart
    Data sourced from the agency's DesignRush profile

    JZ Creates Reviews & Testimonials

    • Jay Ives
      Jay Ives President at Jives Media
      5.0★

      Creative Services Review from Jay Ives

      JZ Creates delivered exceptional design strategy and development for our company. Their creative expertise, attention to detail, and strategic approach helped drive significant revenue. Professional, collaborative, and results-driven. I highly recommend their services for any business looking for top-tier creative solutions.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit WebsiteView Profile
    4.3 4.3 (1)

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