We've researched and ranked the best big data companies in California with a strong focus on collecting and analyzing, great amounts of digital information to help businesses improve their operations. You can use our practical tool to filter listings by average rates, client reviews and team size and pick the best choice 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 × Marketing Analytics & Big Data × Industrial × $1,000 - $10,000 ×Clear Filters
  • Be the answer AI gives — Senior-led SEO, AI Search & Web Design for Legal, Health & B2B Teams

    Single Origin is a senior, design-led marketing team building for the AI-search era. SEO, AI visibility, paid media, and web design under one roof and one accountable partner, tested over the last decade...

    Top Services:

    • AEO
    • SEO
    • WordPress Website Design
    • Web Design
    • Digital Marketing
    • Show more
    Location
    Walnut Creek, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Turning Technology Into Business Growth

    Quantazone is a technology and AI solutions company helping businesses modernize operations, automate workflows, and build smarter digital systems. From ERP, CRM, HRMS, and cloud solutions to AI and marketing automation, Quantazone combines technology, strategy, and industry expertise to create scalable...

    Top Services:

    • ERP Consulting
    • CRM Consulting
    • AI Development
    • Cloud Consulting
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • The Integrated Marketing Agency for the AI Age

    Strategy. Creative. Technology...

    Top Services:

    • Digital Strategy
    • Digital Services
    • Content Marketing
    • Creative Services
    • Video Production
    • Show more
    Location
    San Carlos, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $120/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
129,437+
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
3

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

See how rankings and monetization work.