Top 100 Business Consulting Companies in California

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.

Virtual Coworker is a midsize business consulting and back office outsourcing company. Located in West Hollywood, California and Sydney, Australia, the company was founded in 2011. Their services include business consulting and back office outsourcing.

Ready to Launch Research is a market research company launched in 2014. Their small team is in Burbank, California. Their services include market research.

Founded in 2007, Theorem is a software development firm. The midsize team specializes in custom software development, ux/ui design, IoT development, IT strategy consulting, and more. The company is based in Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California.

Emerson Human Capital Consulting, Inc. (Emerson) is a woman-owned small business that delivers outcomes and sustainable success through organizational change. Emerson now has more than 20 years of experience designing, developing, and delivering Transformation, Change Management, Learning & Development, and Technology Change solutions to government and industry. We specialize in change projects that require momentum within 90 days and will deliver at least $1M in benefits.

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.

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.

Founded in 2001, Trianz is a strategic agency headquartered in Santa Clara, Calif. with offices all over the United States, including Boston, Chicago, and Seattle.Their team has over 1,000 employees that specialize in big data consulting, cloud consulting, and IT strategy consulting. 

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. 

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.

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.

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.

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.

Movetic is a digital agency that is based in Encinitas, Calif. Founded in 2014, Movetic's team of 10 specializes in branding and UX/UI design. Movetic also offers digital strategy and advertising services to its clients.   

Social 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.

Echo Factory is a Pasadena, California-based advertising company. The small firm was launched in 2007. Their services include advertising, branding, marketing strategy, public relations, and more.

Minor Change is a small branding company. The Vacaville, California-based agency was established in 2023. Their services include branding.

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. 

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.

Forshay is an HR agency based in Lafayette, Calif., and founded in 2011. With more than 10 members, they specialize in HR services for mid-market and enterprise-level clients that work in the fields of health care, advertising, and gaming.

Trident Proposal Management is a business consulting firm based in San Diego. Founded in 2009, their team of around 19 employees focuses on helping clients expand into government contracting markets.

SmallWorld is a technology consulting firm founded in 2016 and located in San Diego. With a  team of fewer than 10 employees, they offer custom software development, web development, business consulting, and mobile app development services.

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.

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.

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.

Public relations company Kahn Media was launched in 2008. The firm offers public relations, affiliate marketing, conversion optimization, direct marketing, and more and has a small team.

The Workforce Pro is a consulting firm based in Los Angeles run by a team of less than 10. Founded in 2016, the company specializes in business consulting, CRM consulting & SI, and other application development. Their business consulting services focus on cost reduction, strategy development, and operational changes, among other topics.

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.

Franchise Beacon is a sales, development, and management company in Irvine, Calif. Founded in 2008, they have about 5 employees that do business consulting, email marketing, and HR consulting and outsourcing. Clients are in the HR sector exclusively. 

The 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.