DesignRush industry experts identified the leading business consulting firms in California helping businesses with risk management, investment opportunities, company restructuring and more. Compare listings by average rates, team size and reviews to pick the best partner for your needs.

Best California Business Consulting Company Rankings

114 Companies-Rankings updated: September 11, 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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  • TaxExpertsofOC.com

    A Premier Full-Service Best CPA Firm.

    A Premier Full-Service Best CPA Firm.

    TaxExpertsofOC.com stands as a distinguished and long-standing CPA firm, proudly headquartered in California. Our team is composed of a select group of seasoned professionals, including former IRS Revenue Officers, Certified Public Accountants (CPAs), Enrolled Agents (EAs), specialists in Employee Retention...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Santa Ana, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • Striv Agency

    Bold Thinking Driven By Passion

    Bold Thinking Driven By Passion

    Striv Agency is a creative agency based in Irvine, California, specializing in e-commerce growth through strategic design and web development. The agency combines strategy, branding, creative design, web development, SEO, advertising, and marketing services to help companies strengthen their market position...

    Top Services:

    • Graphic Design
    • Branding
    • Video Production
    • Package Design
    • Web Design
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $98/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Emerson Human Capital Consulting

    Activate Change. Advance People.

    Activate Change. Advance People.

    Emerson Human Capital Consulting is a consultancy specializing in change management, deeply committed to harnessing the latent potential of individuals to drive business performance. Our core expertise lies in facilitating behavioral change. Organizations engage our services when they are embarking on...

    Top Services:

    • Business Consulting
    Location
    Alameda, California
    Number of Employees
    50 - 99
    View Profile
    2.3 2.3 (3)

  • Framework Films

    Simplify Your Production Workflow

    Simplify Your Production Workflow

    Framework Films is a full-service creative media production house specializing in ultra high definition (UHD) aerial, drone, timelapse, hyperlapse, motion stabilized cinematography, motion graphics, and 3D Animation. Above all, we discover new creative frontiers and inspire lets shoot for the stars...

    Top Services:

    • Video Production
    • Creative Services
    • Branding
    • Logo Design
    • Print Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    10 Projects Listed
    View Profile

  • Ledger Labs

    More Profits, Less stress, Ledger Labs

    More Profits, Less stress, Ledger Labs

    An outsourced accounting and bookkeeping firm with super-strong foundations built by over 12 years of expertise and experience...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Twin Oaks LLP

    Committed to Exceptional Service Achieve Your Business Goals

    Committed to Exceptional Service Achieve Your Business Goals

    Twin Oaks LLP provides a comprehensive range of accounting and financial services to businesses across various industries. Our team of experienced professionals is committed to delivering the highest quality financial solutions to our clients, helping them achieve their business goals and thrive in todays...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    San Diego, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • The B Company

    Creative. Committed. Conscientious.

    Creative. Committed. Conscientious.

    The power of music has never been more influential! The B Company offers decades of experience in guiding brands and artists in harnessing the ever-changing music marketing tools available to reach coveted target audiences, and to build passionate followings for artists and record labels...

    Top Services:

    • Public Relations
    • Advertising
    • Design Services
    • Digital Marketing
    • Creative Services
    • Show more
    Location
    Burbank, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • CIO Professional Services LLC

    Align your Business and IT, Faster.

    Align your Business and IT, Faster.

    CIO Professional Services LLC comprises a team of seasoned executives with expertise in CIO, CTO, and CSO roles, complemented by consulting partners from the Big 4. Our focus extends beyond strategy development; we specialize in guiding the execution of initiatives to ensure the delivery of tangible results...

    Top Services:

    • Business Consulting
    • Cybersecurity
    • IT Services
    • Cloud Consulting
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • Zavod-IT

    We Build Tomorrow, Today

    We Build Tomorrow, Today

    With 15 years of experience, we specialize in developing startups, cryptocurrency exchanges, cashback platforms, Telegram bots, and complex software solutions for clients across the USA and Europe. Our expertise guarantees tailored, high-quality solutions for diverse industries and business needs...

    Top Services:

    • Software Development
    • Web Development
    • UI/UX Design
    • eCommerce Development
    • Blockchain
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    View Profile

  • Final Key Consulting

    Unlock The Possibilities.

    Unlock The Possibilities.

    At Final Key Consulting, we offer a range of services tailored to assist you in starting, enhancing, and growing your business. With competitive pricing, we ensure value-driven solutions that meet your needs without compromising quality...

    Top Services:

    • Logo Design
    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Pacifica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
    View Profile

  • Influx

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    Influx.com are the experts in on-brand 24/7 customer support, since 2013..

    Influx.com are the experts in on-brand 24/7 customer support, since 2013..

    Influx.com is the #1 on-demand service partner for growing brands. Since 2013, Influx has been trusted by 750+ brands & delivered fully managed, on-brand support, 24/7, on month-to-month plans. Our human + AI teams deliver better customer experience for e-commerce, SaaS, Tech brands worldwide...

    Top Services:

    • Customer Support
    • Call Centers
    • BPO
    • HR Outsourcing
    • AI Development
    • Show more
    Location
    West Hollywood, California
    Number of Employees
    1000 & Up
    Portfolios Count
    2 Projects Listed
    View Profile

  • Rocket Ivy

    Nice, Fast, Affordable Website Packages With Everything Included.

    Nice, Fast, Affordable Website Packages With Everything Included.

    Rocket Ivy is a San Diego based web solutions agency founded in 2017. With a compact team of fewer than 50 professionals, the firm offers all-inclusive website packages that combine design, hosting, maintenance, SEO, and performance optimization. Aimed at startups, small businesses, and content creators...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • WordPress Website Design
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (6)

  • B West Builders | General Contractors

    Luxury Construction Starts Here

    Luxury Construction Starts Here

    B West Builders is a Los Angeles-based general contracting company specializing in luxury residential remodeling, custom home construction, and high-end commercial renovation projects. The firm provides comprehensive construction services including home remodeling, kitchen and bathroom renovations, home...

    Top Services:

    • Business Consulting
    • Design Services
    • Digital Services
    • UI/UX Design
    • CRO
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (19)

  • Naked Development

    We are a Creative Development Agency & Consultancy.

    We are a Creative Development Agency & Consultancy.

    We don't just build apps, we build app companies. Our CA-based team of entrepreneurs, innovators, and visionaries partner with new Founders and business owners to design, develop, & launch apps that solve real problems, and avoid the costly missteps most startups make. Got an idea? Let's chat...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Digital Marketing
    • Branding
    • Product Design
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
    View Profile
    2.6 2.6 (3)
    4.2 4.2 (11)

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