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.

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 × Legal ×Clear Filters
  • Disruptive Advertising

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

    Top-Rated PPC & Digital Marketing Agency Focused on Driving Results

    We turn away 8 out of 10 companies that call us, because we work with brands we believe in. After thousands of audits, we've found that 76% of marketing spend is wasted. We'll show you where yours is leaking, free. Improved performance in 90 days, guaranteed. No long-term contract...

    Top Services:

    • PPC
    • Social Media Marketing
    • Digital Marketing
    • Email Marketing
    • eCommerce
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed

    Disruptive Advertising Services

    • PPC
    • Social Media Marketing
    • Digital Marketing
    • Email Marketing
    • eCommerce
    • Advertising
    • SEO
    • Business Consulting
    • Creative Services
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Adobe
    • Scotts MiracleGro
    • Litter-Robot
    • Guitar Center
    • Fandango
    • PennyMac
    • Diesel Power Gear
    • Death Wish Coffee
    • TruDog
    • Conoco Phillips
    Data sourced from the agency's DesignRush profile

    Disruptive Advertising Reviews & Testimonials

    • Gracey Thompson
      Gracey Thompson Digital Advertising Manager at Unique Camping + Marine
      5.0★

      Advertising Review from Gracey Thompson

      We've had a great experience working with this Disruptive. We work specifically with Summer, Brad, and Derek. They are knowledgeable, responsive, and genuinely care about helping our business succeed. They take the time to understand our goals, are always willing to answer questions, and consistently bring fresh ideas and valuable insights to the table. Its refreshing to work with an agency that feels like an extension of our own team rather than just another service provider. We truly appreciate everything they do and would highly recommend them!

    • Anonymous
      Anonymous Marketing Manager, Sound Approach at Sound Approach
      4.8★

      eCommerce Review from Anonymous

      Right after launching our campaigns with Disruptive, we saw results almost instantly. Our monthly revenue jumped from about $50,000 to over $70,000. Every key Google Ads metric improved, and by November, we were already nearing $550,000 in revenue, well on track to hit our $700,000 annual goal.

    • Anonymous
      Anonymous GuideCX, Head of Marketing at Guide CX
      4.8★

      PPC Review from Anonymous

      We’ve been working with Disruptive on a long-term PPC strategy, and they’re constantly optimizing campaigns and landing pages based on performance. They use Google Analytics to ensure accurate tracking, Unbounce for landing page testing, and run ads through Google and LinkedIn, with knowledgeable experts for each channel.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Helping Forward Thinking Companies Transform Digital Visions Into Value

    Award-winning USA-based Generative-AI consultancy developing the future of intelligent solutions. We revolutionize business with cutting-edge, responsive AI technologies delivered cost-effectively, and specialize in delivering projects on-time and within budget...

    Top Services:

    • AI Development
    • Web Development
    • Software Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Less Chaos. More Clients.

    Slake Marketing is a Los Angelesbased digital marketing agency that helps solopreneurs and small to medium-sized businesses grow their brands with clarity and confidence. The agency offers website and branding design, photography, strategy coaching, and integrated design-and-coaching packages, providing a...

    Top Services:

    • Digital Marketing
    • Business Consulting
    • Web Design
    • Branding
    • eCommerce Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
  • Your digital partner blending strategy, design, and technology to drive growth.

    Whether you need strategy, consulting, hiring support, or a fresh website, we partner with you to build solutions that fit your goals, budget, and long-term growth...

    Top Services:

    • Web Design
    • Digital Strategy
    • Business Consulting
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Dublin, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Global Business Consulting Excellence

    Protiviti is a global consulting firm that offers deep expertise, objective insights, and tailored solutions to empower leaders in tackling future challenges. With a comprehensive range of services spanning finance, technology, operations, data, analytics, governance, risk, and internal audit, we serve...

    Top Services:

    • Business Consulting
    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
  • Transforming Workplaces | Inspiring Futures

    The HR Innovator Group helps businesses transform their peopler operations with customized HR support, compliance expertise, and HR technology optimization, building scalable systems that drive growth and culture...

    Top Services:

    • HR Outsourcing
    • Business Consulting
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $1,000 - $10,000
  • Collaborating for Lasting Impact in Business Consulting

    Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...

    Top Services:

    • Business Consulting
    • Accounting
    • HR Outsourcing
    • Big Data Analytics
    • CRM Consulting
    • Show more
    Location
    Sacramento, California
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
  • Trusted Advisors, VARs, Managed IT & Technology Broker Services.

    Internet Nerdz stands as a premier technology services and consulting firm, dedicated to crafting innovative solutions tailored to meet the intricate demands of your digital transformation journey. With a steadfast commitment to excellence, we specialize in developing cutting-edge strategies and solutions...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Show more
    Location
    Santa Monica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Duong Global, Business Lawyers and Trading Experts in One Consulting Firm!

    Worlds best business consulting firm providing companies with quality business development expertise & legal services for local & international needs...

    Top Services:

    • Business Consulting
    Location
    Orange County, California
    Number of Employees
    50 - 99
  • Empowering Global Teams With Effortless Payroll

    KOMP is an AI-powered global workforce infrastructure platform that enables companies to hire, manage, and scale international talent compliantly - without entities, risk, or operational complexity. A single platform for global hiring, enabling you to employ talent anywhere quickly and compliantly...

    Top Services:

    • Business Consulting
    Location
    San Francisco, California
    Number of Employees
    100 - 249
  • IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...

    Top Services:

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Building A Better Working World

    EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...

    Top Services:

    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Sacramento, California
    Number of Employees
    1000 & Up
  • Together, we achieve more.

    Offering project management, business, and IT services. At KPMG LLP, their purpose is to turn knowledge into value for the benefit of their clients, people, and the capital markets...

    Top Services:

    • Business Consulting
    • Market Research
    • Accounting
    • HR Outsourcing
    • IT Services
    • Show more
    Location
    Oxnard, California
    Number of Employees
    1000 & Up
  • 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
  • Integrated Legal Tax Accounting

    No other firm does what we do! We are the best single source for business services integrating: *Legal *Tax *Accounting *Business Management Consulting What does that mean? It means we can answer the questions and explain the intricate issues you face as a business owner each day in terms you can understand...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    San Diego, California
    Number of Employees
    Under 49
  • Top-Rated SEO Company

    For a variety of industries, Online Business Consulting specializes in local and national SEO...

    Top Services:

    • SEO
    • Business Consulting
    Location
    Beverly Hills, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $1,000 - $10,000
  • Tailored Financial Insights, Exceptional Outcomes

    Compass CPA, PC, we provide top-notch Virtual Controller, Accountant, and CFO services for a fraction of the cost of in-house hires. Our dedicated team of virtual accountants, CPAs, and tax professionals helps you achieve business goals with comprehensive financial reporting, forecasting, and tax...

    Top Services:

    • Accounting
    • Business Consulting
    Location
    San Rafael, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • 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
  • Don't Just Be Sure, Be Sycosure

    We're a family-owned company in Southern California that strives to provide effective online marketing solutions and business processes that we tailor for the individual needs of each business...

    Top Services:

    • Web Design
    • Business Consulting
    • Graphic Design
    • Web Development
    • Show more
    Location
    La Quinta, California
    Number of Employees
    Under 49
  • Dedicated virtual assistants, fully vetted and fully managed.

    Stellar Staff places dedicated, full-time virtual assistants with US businesses that need real capacity, not another freelancer to manage. Clients interview a shortlist of pre-vetted candidates, pick the one they want, and start in five to six days. We handle sourcing, screening, onboarding, payroll, taxes...

    Top Services:

    • BPO
    • Customer Support
    • HR Outsourcing
    • Call Centers
    • Accounting
    • Show more
    Location
    Newport Beach, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $12/hr
    Minimal Budget
    $1,000 - $10,000
  • Brand Identity Creation & Design in Los Angeles

    Brand Identity for products or service companies. Located in Los Angeles. Personal attention from brand building to design...

    Top Services:

    • Branding
    • Graphic Design
    • Logo Design
    • Package Design
    • Creative Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Finance Expertise For Growing Businesses

    Most businesses can't afford to interview a full-time accountant or HR person - but they need help right now. FlowFi helps businesses find pre-vetted fractional experts for functions ranging from HR, to compliance, to bookkeeping, to fractional CFOs quickly and based on their needs...

    Top Services:

    • Accounting
    • HR Outsourcing
    • Business Consulting
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
  • Now, for tomorrow.

    Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • Market Research
    • Cybersecurity
    • Show more
    Location
    Orange County, California
    Number of Employees
    1000 & Up
  • Efficient, Customized Services For Healthcare Providers Treating Injured Workers

    Medrina Technology Management specializes in workers' compensation billing, collections, lien management, and medical transcription. We streamline revenue cycles, reduce administrative burdens, and ensure compliance, enabling healthcare providers to focus on patient care while we handle billing complexities...

    Top Services:

    • Transcription Services
    • BPO
    • Customer Support
    • Business Consulting
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $12/hr
    Minimal Budget
    $1,000 - $10,000
  • Enterprise-Grade AI Built for Growing Businesses.

    Hajana Technologies is an AI & workflow automation partner helping U.S. businesses eliminate manual admin tasks. Engineered by enterprise systems architects, we build custom autonomous AI agents, multi-agent workflows, and RAG systems to scale your operations without expanding headcount...

    Top Services:

    • AI Development
    • Software Development
    • IT Services
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    Fresno, California
    Number of Employees
    Under 49
  • IT Infrastructure & Cybersecurity Solutions Provider.

    At vCloud Tech, we revolutionize how businesses adopt and innovate with cloud technology. Born in the cloud-first, mobile-first era, we specialize in modernizing applications, digitizing data, and securing modern datacenters. Our top talent and expertise fuel global innovation, creating strong partnerships...

    Top Services:

    • Cloud Consulting
    • IT Services
    • Cybersecurity
    • DevOps Consulting
    • IT Compliance Solution
    • Show more
    Location
    Rolling Hills Estates, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Turning Online Searches Into Patient Appointments

    Get Patients Flow helps doctors, clinics, and healthcare practices attract more patients through proven digital marketing strategies...

    Top Services:

    • Digital Services
    • AEO
    • SEO
    • PPC
    • Digital Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    Under $1,000

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
130,200+
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
27

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

See how rankings and monetization work.