Top 70 Freelancer Business Consulting Companies in California
The Best of May 2026Looking for a top Freelance consulting firm in California?
Consulting firms provide in-depth knowledge and understanding in relation to the client’s industry, technology, and processes. Having this kind of business partner empowers companies to make the best decisions for the business. They provide technical and corporate assistance, helping you resolve your challenges regardless of the industry you’re in.
Consulting firms provide a wide range of services, from creating business strategies to solidifying operational processes. Take your company to the next level by partnering with a firm today. Their knowledge and expertise are valuable assets for every business.
To assist you in your search for a partner, we’ve compiled this list of the top Freelancer consulting companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Freelancer Business Consulting Firms in California
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1$1,000+Freelancer employeesSanta Monica, CAIn Santa Monica, California, SiliconCFO is a Finance & Accounting Outsourcing (FAO) company. Founded in 2018, the team focuses on Finance & Accounting Outsourcing (FAO) and Business Consulting.Read More
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2UndisclosedFreelancer employeesThousand Oaks, CARead More
Dawna Jarvis is a business consulting company. The small Thousand Oaks, California-based team provides business consulting, branding, and public relations. The firm was launched in 2020.
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3UndisclosedFreelancer employeesWestlake Village, CAG W Environmental Consulting is a Business Consulting company. They are in Westlake Village, California and have small team. Their services include Business Consulting.Read More
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4$5,000+Freelancer employeesLaguna Hills, CAAlfaLINQ Business Solutions, LLC is an e-commerce development company located in Laguna Hills, California. They provide E-Commerce Development and ERP consulting and SI.Read More
Industries
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5$1,000+Freelancer employeesSan Francisco, CAFounded in 2012, ArccMedia is a small Advertising company headquartered in San Francisco, California. Their team focuses on Advertising and Social Media Marketing.Read More
Industries
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6$10,000+Freelancer employeesSanta Clarita, CAStrezev Consulting is a Digital Strategy company. The small Santa Clarita, California-based firm was launched in 2020. Their team provides Digital Strategy, Email Marketing, Pay Per Click, Search Engine Optimization, and more.Read More
Industries
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7$5,000+Freelancer employeesSanta Monica, CABusiness Consulting and Corporate Training & Coaching company Kinetic Development was founded in 2013. The team provides Business Consulting and Corporate Training & Coaching.Read More
Industries
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8UndisclosedFreelancer employeesSan Francisco, CAEstablished in 2025, AcumenSphere is a Business Consulting company. The team provides Business Consulting.Read More
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9UndisclosedFreelancer employeesOakland, CATercero Solutions is a Business Consulting company located in Oakland, California. Founded in 2022, the team specializes in Business Consulting.Read More
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10$100,000+Freelancer employeesSunnyvale, CAFinancial Advising & Planning company David Jacobs Business Broker is in Sunnyvale, California. Launched in 2019, the team provides Financial Advising & Planning and Business Consulting.Read More
Industries
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11$1,000+Freelancer employeesLaguna Niguel, CAIn Laguna Niguel, California, GB3 | CO is a Business Consulting company. Launched in 2020, the team focuses on Business Consulting and Market Research.Read More
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12UndisclosedFreelancer employeesGilroy, CABusiness Consulting company Phoenix Consulting Group was launched in 2002. The team provides Business Consulting and is based in Gilroy, California.Read More
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13UndisclosedFreelancer employeesSan Diego, CAWilkerson Consulting is a Business Consulting company. The firm is headquartered in San Diego, California. Their team specializes in Business Consulting.Read More
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14$5,000+Freelancer employeesSan Marino, CAUpside Studio is an user experience design agency. They are headquartered in San Marino, California and have small team. Their services include UX/UI Design and Product Design.Read More
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15$1,000+Freelancer employeesHuntington Beach, CABrookseed Partners, Inc. Is a Financial Consulting company. The team provides Financial Consulting and Business Consulting, and the firm is headquartered in Huntington Beach, California.Read More
Industries
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16UndisclosedFreelancer employeesIrvine, CAHarmon Street, a Business Consulting company, is headquartered in Irvine, California. Their services include Business Consulting and Commercial Financing.Read More
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17$1,000+Freelancer employeesFremont, CABusiness Wingwoman is a Back Office Outsourcing company launched in 2022. The firm specializes in Back Office Outsourcing and Business Consulting, and is small.Read More
Industries
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18UndisclosedFreelancer employeesPoway, CAFounded in 2019, 201 Creative, LLC. Is a small Poway, California-based SEO company. Their team provides Search Engine Optimization and Marketing Strategy.Read More
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19$5,000+Freelancer employeesSanta Cruz, CABusiness intelligence company Andrew Searson Business Intelligence Consulting is in Santa Cruz, California. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
Clients
TRM Labs -
20UndisclosedFreelancer employeesLos Angeles, CA420 accounting services is a small Accounting company located in Los Angeles, California. Their services include Accounting and Business Consulting.Read More
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21UndisclosedFreelancer employeesLos Angeles, CAShapiroPR | Los Angeles Public Relations and Publicity Consulting Firm is a PR company. Located in Los Angeles, California, their team provides Public Relations and Branding.Read More
Clients
Adidas Maternity | Women's Fitness BrandIndustries
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22UndisclosedFreelancer employeesSan Clemente, CABusiness Design Innovations is a web design agency. They are based in San Clemente, California. Their team provides Web Design and Business Consulting.Read More
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23$1,000+Freelancer employeesIrvine, CAIn Irvine, California, Natalie Minh Interactive is a branding firm. The team offers Branding and Digital Strategy.Read More
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24$1,000+Freelancer employeesSolana Beach, CALook Licensing is an IT managed services company. Their small team is located in Solana Beach, California. Their services include IT managed services and IT strategy consulting.Read More
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25$1,000+Freelancer employeesSan Diego, CACrescent Consultancy is a small Advertising company established in 2024. Their team specializes in Advertising and Marketing Strategy.Read More
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26UndisclosedFreelancer employeesCosta Mesa, CABased in Costa Mesa, California, Grace Wealth Management Group, Inc. Is a Business Consulting company. They focus on Business Consulting and Financial Advising & Planning.Read More
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27UndisclosedFreelancer employeesBerkeley, CABusiness Consulting company Linda R Walker - Business Consultant is in Berkeley, California. Founded in 1986, the team offers Business Consulting and Corporate Training & Coaching.Read More
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28UndisclosedFreelancer employeesRiverside, CANella Juma MBA PMP is a Business Consulting company. Their small team of employees is headquartered in Riverside, California. Their team focuses on Business Consulting and Financial Consulting.Read More
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29$5,000+Freelancer employeesLos Angeles, CAYarrow Strategies is a Market Research company. In Los Angeles, California, the company specializes in Market Research and Marketing Strategy.Read More
Industries
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30$1,000+Freelancer employeesIrvine, CASEO agency LUK Digital was established in 2020. The small team provides Search Engine Optimization and Digital Strategy.Read More
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