DesignRush industry experts determined the top-performing Amazon marketing agencies in California helping brands receive higher traffic to product pages and increase profitability. You can use our handy tool to filter companies by client reviews, team size and average cost of services and choose the best partner for your brand.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Amazon Marketing × Retail × $1,000 - $10,000 ×Clear Filters
  • Intero Digital

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    #1 Rated Digital Marketing Agency in the US

    Among full-service Amazon marketing agencies, Intero Digital runs Amazon SEO, Ads, DSP, Seller Central, and Vendor Central management alongside broader SEO, GEO, and paid media services for over 13,000 clients across every major industry, based in Colorado Springs, Colorado...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Content Marketing
    • Social Media Marketing
    • Show more
    Location
    San Diego, California
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    18 Projects Listed

    Intero Digital Services

    • Digital Marketing
    • SEO
    • PPC
    • Content Marketing
    • Social Media Marketing
    • Web Design
    • Email Marketing
    • Video Marketing
    • CRO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Gaiam
    • Jaguar
    • Ace Hardware
    • Don Julio
    • 100% Chiropractic
    • Current
    • University of Colorado
    • Christy Sports
    • Learning RX
    • Land Rover
    Data sourced from the agency's DesignRush profile

    Intero Digital Reviews & Testimonials

    • Dan Murphy
      Dan Murphy Owner at M4 Ranch Group
      5.0★

      Digital Marketing Review from Dan Murphy

      Working with Intero Digital has brought a new dimension to our business. We are in a HIGHLY competitive field. Of the nationwide companies in our field, we are in the top 5 and climbing. Intero Digital is [a] significant part of that success. [The] bottom line is every marketing dollar counts. Our dollars spent with Intero Digital are now a priority. (Verified via email)

    • Julie Gonzalez
      Julie Gonzalez Executive Assistant at Revolution Tea
      5.0★

      Digital Marketing Review from Julie Gonzalez

      Our working relationship with the team at Intero Digital is easily one of our favorites! Not only does the team collaborate on ideas to grow our online presence and increase revenue, but they also do it in a way that makes sense for us and makes us excited!

    • Madison Lee
      Madison Lee Marketing Specialist at Isotec Security
      5.0★

      SEO Review from Madison Lee

      These people are effective, creative, and responsive. Would absolutely recommend.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Get Your Products Selling on Amazon

    LM&S delivers creative, effective, & affordable strategies for specialty food brands to generate sales. We’ve helped dozens of companies build their Amazon stores, launch new products, and promote their stores via strategic marketing...

    Top Services:

    • Web Design
    • Digital Marketing
    • Social Media Marketing
    • Email Marketing
    • eCommerce
    • Show more
    Location
    Alhambra, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Engineered to Grow Your Business

    Stackmatix provides integrated marketing solutions for growth-focused companies...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • eCommerce
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Data Driven & Result Focused Digital Marketing Consultants

    Cybertegic is a Google certified digital marketing and web design agency located in Los Angeles delivering multi-channel digital marketing strategies for small and mid-size companies. We have successful track records in curating profitable marketing strategies that will grow your business online...

    Top Services:

    • Digital Marketing
    • Video Marketing
    • eCommerce
    • Email Marketing
    • SEO
    • Show more
    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • A Full Service Design & Marketing Agency

    We combine start-to-finish, all-encompassing product development services with Amazon marketing expertise to create innovative products and bring them to market, providing entrepreneurs and companies with a one-stop solution for all of their go-to-market needs...

    Top Services:

    • Web Development
    • UI/UX Design
    • Product Design
    • Digital Strategy
    • Digital Marketing
    • Show more
    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Amazon & eCommerce Consultants

    EliCommerce Amazon Consulting Services is a team of Amazon consultants and eCommerce experts for brands and manufacturers looking to grow on Amazon...

    Top Services:

    • PPC
    • Content Marketing
    • Digital Marketing
    • SEO
    • eCommerce
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Focused On Results. Driven By Performance.

    Marketplace Valet is a Full Service Amazon Agency located in Southern California who specialize in predictable, profitable growth for high revenue brands.  We balance brand integrity, streamline operations, with optimal content and ad/PPC strategies...

    Top Services:

    • CRO
    • SEO
    • PPC
    • Digital Marketing
    • Advertising
    • Show more
    Location
    Corona, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Andava Digital: Your Trusted Digital Companion

    We've mastered the art of digital journeys, becoming your ultimate team for online success. Our mission? To stand by you, ensuring your digital dreams not only come true but surpass your expectations...

    Top Services:

    • SEO
    • PPC
    • CRO
    • Email Marketing
    • Social Media Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
  • Amazon-first San Diego agency

    Cessna Marketing is an Amazon agency in San Diego. We run Seller and Vendor Central, then build the websites, ads, and content that sell the products. We've managed over $30M in sales across 10+ brands at a 4.2x average ROAS...

    Top Services:

    • eCommerce
    • Web Design
    • Web Development
    • eCommerce Development
    • Creative Services
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Your eStore handyman.

    QeRetail is a group of enthusiastic Software Developers, Web Designers, and Digital Marketers. We provide eCommerce website design and development in addition to eCommerce search engine optimization services. The experience of Ecommerce Design & Development of over 3000+ eStores has also helped us engage you...

    Top Services:

    • eCommerce Development
    • Package Design
    • Product Design
    • PPC
    • Email Marketing
    • Show more
    Location
    Woodland, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $28/hr
    Minimal Budget
    $1,000 - $10,000
  • Outstanding Results With Clarity & Care

    Search Nurture is a full-stack digital marketing agency that specializes in driving growth for B2B SaaS companies and eCommerce expansion for brands that manufacture goods...

    Top Services:

    • SEO
    • eCommerce
    • Affiliate Marketing
    • Content Marketing
    • PPC
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Paid media built for profitable eCommerce growth

    Strat88 is a senior-led paid media agency for eCommerce brands. We manage Meta, Google, TikTok, CTV and Amazon advertising, plus CRO, email and SMS, and fractional CMO leadership. Every account is run on business outcomes like MER, CAC and contribution margin, not platform-reported ROAS. Clients work directly...

    Top Services:

    • PPC
    • Social Media Marketing
    • eCommerce
    • Media Buying
    • CRO
    • Show more
    Location
    Anaheim, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Orchestrating Audience-Focused and Data-Driven Solutions for Agencies, Startups, and Big Brands.

    Symphonic Digital, founded in 2013, is a performance driven digital marketing agency headquartered in Woodland Hills, CA. The team specializes in paid search, paid social, programmatic, SEO (including AI enhanced SEO), CRO, advanced analytics, and media planning for brands and agencies alike...

    Top Services:

    • Advertising
    • Social Media Marketing
    • SEO
    • Digital Marketing
    • PPC
    • Show more
    Location
    Woodland, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,561+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
13

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.