Top 100 Small Business Business Consulting Companies in California
The Best of December 2025Looking for a top small business 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 Small Business consulting companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Small Business Business Consulting Firms in California
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1$5,000+10 - 49 employeesFremont, CARead More
Argona Partners is a collective of hands-on startup experts helping founders and entrepreneurs scale and accelerate their business by providing collaborative, science-based Capital Campaign support.
Clients
SoundSpaceIndustries
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2$5,000+10 - 49 employeesEl Segundo, CARead More
Facet Interactive is a small Digital Strategy company launched in 2014. Their services include Digital Strategy, BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, and more. The agency is based in El Segundo, California.
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Element Solutions IncIndustries
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3$5,000+2 - 9 employeesLos Angeles, CARead More
Launched in 2013, Clarke Executive Services Group LLC is a business consulting and HR firm. The small Los Angeles, California-based team specializes in business consulting and HR services.
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4$5,000+10 - 49 employeesSanta Monica, CARead More
Red Cup Agency is a digital publishing agency with headquarters in Santa Monica, Calif. They were founded in 2010 and has a team of 5 employees. They provide content marketing, marketing strategy, and web design services for clients in the entertainment, consumer products, education, and healthcare industries.
Clients
Boston Consulting Group Digital VenturesIndustries
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5$10,000+10 - 49 employeesLos Angeles, CARead More
Wemersive is an advertising company founded in 2012. Their small team is based in Los Angeles, California; Amsterdam, Netherlands and Toronto, Canada. The firm specializes in advertising, AR/VR development, branding, digital strategy, and more.
Clients
Coca ColaIndustries
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6$10,000+10 - 49 employeesSan Luis Obispo, CARead More
Tronvig Group is a strategic agency headquartered in Brooklyn, N.Y. with an office in Germany. Since 1998, the agency and its team of over 10 have been specializing in advertising, branding, and print design. The agency focuses on clients in various industries including arts/entertainment, non-profits, and financial services.
Clients
National Gallery of ArtIndustries
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7$1,000+2 - 9 employeesLos Alamitos, CARead More
MPWR Coaching is a business firm based in Los Alamitos, Calif. with fewer than 10 members. Founded in 2018, they specialize in business consulting and HR services for small and medium-sized businesses alike.
Clients
PfizerIndustries
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8$10,000+10 - 49 employeesSan Francisco, CARead More
Iron Creative is a midsized digital agency based in San Francisco. Founded in 2003, their team specializes in content marketing, digital strategy, and web design.
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2K GamesIndustries
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9$1,000+10 - 49 employeesMoorpark, CAKahn Media is a small public relations company founded in 2008. Their team provides Public Relations, Graphic Design, Digital Strategy, Video Production, and more. The agency is located in Moorpark, California.Read More
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10$5,000+2 - 9 employeesVacaville, CAMinor Change is a small branding company. The Vacaville, California-based agency was established in 2023. Their services include branding.Read More
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11$10,000+2 - 9 employeesLos Angeles, CARead More
Avaans PR is a PR firm. They are based in Los Angeles, California and have a small team. Their services include public relations, advertising, and social media marketing. The company was established in 2008.
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12$1,000+2 - 9 employeesSan Diego, CASocial media marketing agency Formula Marketing was launched in 2008. The small team provides social media marketing, content marketing, digital strategy, graphic design, and more. The firm is based in San Diego, California.Read More
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13$25,000+2 - 9 employeesLos Angeles, CARead More
IN GOOD CO is a brand consultancy based in Venice, Calif. The consultancy, founded in 2015, has a team of less than ten that provides branding, event marketing & planning, marketing strategy, packaging design, business consulting, and corporate training services to enterprise and smaller-sized companies in the consumer products & services, retail, legal cannabis, hospitality & leisure, e-commerce, and other industries.
Clients
BelcampoIndustries
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14$10,000+2 - 9 employeesLaguna Beach, CARobyn & Robyn is a branding agency. Their small team is located in Laguna Beach, California. The company specializes in Branding, Graphic Design, Business Consulting, Marketing Strategy, and more. The company was established in 2015.Read More
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15$25,000+10 - 49 employeesLos Angeles, CAMobile app development company MetaCTO was founded in 2022. The company provides Mobile App Development, UX/UI Design, Web Development, Business Consulting, and more and has a small team. The company is based in Los Angeles, California.Read More
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16$5,000+2 - 9 employeesIrvine, CARead More
A Bigger Bottom Line LLC is a business consulting and bookkeeping firm based in Los Angeles. The firm, founded in 2016, is the business of Andria Radmacher who provides accounting and business consulting services to various clients and companies.
Clients
RM ConstructionIndustries
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17$10,000+2 - 9 employeesNewport Beach, CARead More
Life Elixir is a consultancy based in Newport Beach, Calif. with over two employees. Founded in 2015, they offer business consulting, big data consulting, and other design solutions for clients that work in the industries of health care, government, and IT services.
Clients
Clinitraq IncIndustries
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18$1,000+2 - 9 employeesLos Angeles, CARead More
Westside Tax is an accounting services company located in Los Angeles that was founded in 2016. The company employs a team of fewer than 10 and offers services like financial accounting, tax & payroll preparation, and bookkeeping to small and mid-size businesses.
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19$1,000+2 - 9 employeesSan Francisco, CARead More
Launched in 2006, matax is an accounting company. They are in San Francisco, California and have a small team. Their services include accounting and business consulting.
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20$1,000+2 - 9 employeesLa Verne, CARead More
Idea House & Co. Is a small product design company. Founded in 1996, the agency is in La Verne, California. Their team focuses on product design.
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21$10,000+2 - 9 employeesLos Angeles, CARead More
Furtive Collective is a branding and marketing agency based in Los Angeles. Furtive Collective was founded in 2016, and has just 3 employees. Its services include digital strategy, UI/UX design, market research and business intelligence.
Clients
AutoIndustries
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22Undisclosed2 - 9 employeesLos Angeles, CAThe Reputation MD is a small business consulting company. Founded in 2021, the team focuses on business consulting, public relations, branding, digital strategy, and more. The agency is headquartered in Los Angeles, California.Read More
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23$1,000+2 - 9 employeesHuntington Beach, CARead More
Sunday Brunch Agency is a small advertising company founded in 2016. Their services include advertising, branding, social media marketing, email marketing, and more. The firm is based in Huntington Beach, California.
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24$5,000+2 - 9 employeesInglewood, CACX Collective is a small CRM consulting and SI company. They offer CRM consulting and SI, Business Consulting, Call Center Services, Customer Service Outsourcing, and more and were founded in 2016.Read More
Clients
Thrive CausemeticsIndustries
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25$1,000+50 - 249 employeesSan Diego, CACFO Hub is a Fractional CFO Services company established in 2018. Their midsize team is located in San Diego, California; Irvine, California; Los Angeles, California and San Francisco, California. The company provides Fractional CFO Services, Business Consulting, Accounting, Finance & Accounting Outsourcing (FAO), and more.Read More
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26Undisclosed2 - 9 employeesFairfield, CARead More
Amazing Solutions, Inc. is an accounting software reseller based in Fairfield, Calif. Their team of no more than 10 has offered application management and support, business consulting, and custom software development solutions since their founding in 1981.
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Athens Baking CompanyIndustries
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27Undisclosed1,000 - 9,999 employeesSan Diego, CARead More
Established in 2012, fusepoint is a Marketing Strategy company. They are in San Diego, California and have a large team. Their services include Marketing Strategy, Media Planning & Buying, Digital Strategy, BI & big data consulting & SI, and more.
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28$10,000+10 - 49 employeesLos Angeles, CARead More
Launched in 2007, Formula is a IT strategy consulting company. The large team provides IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, IT staff augmentation, and more. The agency is headquartered in Los Angeles, California.
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29$1,000+2 - 9 employeesSan Francisco, CARead More
Passionfruit Creative is a digital marketing agency based in Atherton, Calif.. The agency, founded in 2020, has a team of less than ten that provides marketing strategy, digital strategy, social media marketing, content marketing, and corporate photography services. Passionfruit Creative serves small companies and organizations in the consumer products & services, retail, hospitality & leisure, and nonprofit industries.
Clients
Delilah HomeIndustries
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30$1,000+10 - 49 employeesSan Francisco, CARead More
Established in 2020, DemandLever is a business consulting company. The agency specializes in business consulting, digital strategy, and direct marketing and has a small team. The agency is located in San Francisco, California.
Industries
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