Top 100 Small Business Business Consulting Companies in California
The Best of June 2026Looking 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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31$5,000+2 - 9 employeesEscondido, CARead More
Aric N. Williams, PA is a corporate law company. The Escondido, California-based agency was established in 2015. The small team offers corporate law, business consulting, and media & entertainment law.
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32$25,000+2 - 9 employeesSan Francisco, CARead More
ADG is a design firm founded in San Francisco in 2017 with fewer than 10 professionals. They provide UX/UI design, business consulting, and web design solutions for clients ranging from small firms to large companies.
Clients
BayerIndustries
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33$5,000+2 - 9 employeesSan Jose, CARead More
Innerplum Consulting is a market research firm based in San Jose, Calif. with more than two employees. Founded in 2019, they offer market research, business consulting, and marketing strategy for small and medium-sized businesses alike.
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Oteri Consulting GroupIndustries
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34$10,000+10 - 49 employeesOakland, CAMarketing Strategy company Reverence Global was established in 2020. The firm focuses on Marketing Strategy, Branding, Search Engine Optimization, Web Design, and more and has a small team.Read More
Clients
Good Radiance Inc.Industries
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35$1,000+2 - 9 employeesBeverly Hills, CARead More
IT strategy consulting company We Solve Problems was launched in 2010. They are located in Beverly Hills, California and have a small team. Their services include IT strategy consulting, IT managed services, cybersecurity, cloud consulting & SI, and more.
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36$5,000+2 - 9 employeesCupertino, CAHR Consulting company Key People was launched in 2018. Their small team is located in Cupertino, California and specializes in HR Consulting, Business Consulting, and Financial Consulting.Read More
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37$5,000+2 - 9 employeesIrvine, CARead More
Formulytic is a demand generation and marketing operations consulting company based in Irvine, Calif. Founded in 2015, the team of 2 specializes in conversion optimization, CRM consulting and SI, and digital strategy.
Clients
VidyardIndustries
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38$5,000+2 - 9 employeesSan Francisco, CARead More
Cassa Grant Communications is a small branding firm. The San Francisco, California-based company was launched in 2016. Their services include branding, business consulting, and corporate training.
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39Undisclosed50 - 249 employeesWalnut, CALaunched in 2002, OWOX BI is a midsize Walnut, California-based Business Consulting company. Their team offers Business Consulting.Read More
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40$5,000+2 - 9 employeesNewport Beach, CABranding agency Branding Concier LLC was founded in 2019. Their small team is based in Newport Beach, California. Their services include Branding, Web Design, Marketing Strategy, Digital Strategy, and more.Read More
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41$5,000+250 - 999 employeesSanta Rosa, CARead More
Blitz Mobile Apps is a midsize app development company headquartered in Santa Rosa, California. Launched in 2018, the team offers mobile app development, blockchain, video production, and AR/VR development.
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42$1,000+50 - 249 employeesLos Angeles, CABusiness consulting company Elite Wiki Writers is located in Los Angeles, California. The midsize team specializes in business consulting. The company was established in 2022.Read More
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43$10,000+10 - 49 employeesIrvine, CARead More
Custom Software Solutions, Inc is a software house based in Irvine, Calif., and founded in 2005. With no more than 50 experts, they provide SEO, PPC, and custom software development solutions to clients ranging from startups to large businesses.
Clients
HID GlobalIndustries
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44$25,000+50 - 249 employeesSan Francisco, CAIntuitech, a Digital Strategy company, is headquartered in Budapest, Hungary and San Francisco, California. The team provides Digital Strategy and Custom Software Development.Read More
Clients
TelenorIndustries
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45$5,000+2 - 9 employeesOceanside, CARead More
Established in 2019, Axys Digital Marketing LLC is a PPC company. Their small team is in San Marcos, California and provides pay per click, search engine optimization, social media marketing, content marketing, and more.
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46$1,000+250 - 999 employeesLaguna Beach, CAHeadquartered in Laguna Beach, California, Data4Amazon is a content marketing company. Launched in 2015, the midsize team provides content marketing, conversion optimization, digital strategy, business consulting, and more.Read More
Industries
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47$1,000+2 - 9 employeesDavis, CARead More
Launched Digital Solutions LLC is a Davis, California-based social media marketing firm. Launched in 2021, the small team provides social media marketing, marketing strategy, web design, ux/ui design, and more.
Clients
North Park CreameryIndustries
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48$1,000+2 - 9 employeesLaguna Beach, CARead More
Established in 2022, Salesautomators is a CRM consulting and SI company. They are headquartered in Laguna Beach, California and have a small team. The company offers CRM consulting and SI, IT strategy consulting, other IT consulting and SI, business consulting, and more.
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49Undisclosed2 - 9 employeesSimi Valley, CARead More
Based in Simi Valley, Calif., HK Associates, Certified Public Accountants provides tax preparation, payroll processing, and bookkeeping services. Their small team works with various clients to resolve their accounting needs.
Industries
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50$1,000+50 - 249 employeesSan Francisco, CARALENT is a HR Consulting company. They are located in San Francisco, California and San Francisco, California and have a midsize team. Their services include HR Consulting, Recruitment Process Outsourcing, Employer of Record (EOR) Services, Business Consulting, and more. The firm was established in 2024.Read More
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51Undisclosed2 - 9 employeesLos Angeles, CAElite Accreditation Consultants is a Business Consulting company. Established in 2005, the firm is located in Los Angeles, California. Their team offers Business Consulting.Read More
Industries
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52$5,000+2 - 9 employeesIrvine, CARead More
Tehrani & Velez, LLP is an accounting firm founded in 1989 in Irvine, Calif. Their team of no more than 10 offers tax preparation, financial accounting, and business consulting solutions to small and mid-market firms in the fields of manufacturing, real estate, and healthcare.
Clients
SparkhouseIndustries
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53$10,000+50 - 249 employeesSan Jose, CAMackin Talent is a Business Consulting company. The company is based in San Jose, California and Cork, Ireland. Their team focuses on Business Consulting and Recruiting.Read More
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54$10,000+10 - 49 employeesSan Francisco, CAKromatic, a Business Consulting and Corporate Training & Coaching company, was launched in 2013. The team provides Business Consulting and Corporate Training & Coaching.Read More
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55$10,000+10 - 49 employeesOakland, CAPinnacle Trademark, a small Business Consulting company, is headquartered in Oakland, California and Oakland, California. Their services include Business Consulting and Digital Strategy.Read More
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56Undisclosed10 - 49 employeesIrvine, CACosentus, a Business Consulting and Accounting company, is in Irvine, California. They focus on Business Consulting and Accounting.Read More
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57$1,000+2 - 9 employeesLa Mesa, CABased in La Mesa, California and San José, Costa Rica, Andes Edge Consulting is a Digital Strategy company. The company offers Digital Strategy, IT strategy consulting, Artificial Intelligence, Business Consulting, and more and is small.The company was established in 2025.Read More
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58$1,000+250 - 999 employeesOntario, CARead More
Growth Market Reports is a midsize market research company. Founded in 2018, the company is based in Pune, India. Their team focuses on market research, other IT consulting and SI, and marketing strategy.
Industries
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59$5,000+2 - 9 employeesLong Beach, CARead More
Radcrafters is a marketing and advertising agency that has been offering marketing strategy, SEO, and web design services to their small business and mid-market clients in the telecommunications, automotive, and real estate industries since 2017. Their 10 employees are based in their Long Beach, Calif. office.
Clients
Safeword CreativeIndustries
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60$5,000+50 - 249 employeesGlendora, CAIn Glendora, California, 3Alica is a midsize data analytics company. They offer BI & big data consulting & SI, Custom Software Development, E-Commerce Development, Application Testing, and more and were established in 2010.Read More
Clients
SberbankIndustries
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