The professional services sector in Los Angeles features a mix of large, established firms and younger companies. Noteworthy examples include Korn Ferry, a global consulting firm specializing in organizational design and professional development, and Capital Group, which provides investment solutions and services. Other significant players are Houlihan Lokey, an investment bank, and Creative Artists Agency, a global entertainment and sports agency.
A prominent trend among these companies is the strong presence of law practices, with firms such as Paul Hastings, Lewis Brisbois, and Quinn Emanuel, all headquartered in Los Angeles. Another recurring activity is staffing and recruiting, exemplified by Korn Ferry Futurestep, Scoot Education, and Creative Circle.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Korn Ferrykornferry.com
It is a global consulting firm specializing in organizational design, hiring, workforce motivation, and professional development for career advancement. |
21,328 | |||
| 2 |
Capital Groupcapitalgroup.com
Provides carefully researched investment solutions and services to financial professionals worldwide with a history spanning over 90 years. |
9,761 | |||
| 3 |
Houlihan Lokeyhl.com
Global investment bank specializing in mergers and acquisitions, capital solutions, financial restructuring, and valuation advisory services worldwide. |
4,830 | |||
| 4 |
Creative Artists Agencycaa.com
A global entertainment and sports agency offering services in various fields including talent representation, media finance, and sports properties sales |
4,811 | |||
| 5 | 3,887 | ||||
| 6 |
Paul Hastingspaulhastings.com
Premier law firm specializing in finance, mergers, private equity, restructuring, litigation, employment, and real estate for top clients worldwide. |
3,357 | |||
| 7 |
Lewis Brisboislewisbrisbois.com
A national law firm established in 1979, with over 1,600 attorneys and 54 offices in 30 states, providing full-service legal assistance |
3,225 | |||
| 8 |
Sheppardsheppard.com
Provides comprehensive legal services including corporate, technology, litigation, financial transactions, intellectual property, labor, real estate, and government contracts. |
2,397 | |||
| 9 |
Korn Ferry Futurestepkornferry.com
Futurestep, a division of Korn Ferry, provides innovative talent solutions through data-driven insights, strategic collaboration, and advanced technology |
2,251 | |||
| 10 |
Quinn Emanuelquinnemanuel.com
Global business litigation firm specializing in arbitration, achieving high success rates and securing substantial verdicts and settlements for clients. |
2,135 | |||
| 11 |
Scoot Educationscoot.education
A company dedicated to placing exceptional teachers in educational settings through personalized service, tech-based solutions, and an innovative earn-and-learn academy |
2,051 | |||
| 12 |
Creative Circlecreativecircle.com
Creative Circle offers marketing and creative services to help companies tackle business challenges through talent acquisition, studio and agency support, flex benches, and consulting |
2,013 | |||
| 13 |
Qqconnects.com
An IT & Digital recruitment firm specializing in delivering qualified and diverse talent for technology, product, and digital roles nationwide |
1,806 | |||
| 14 |
GHJghjadvisors.com
National advisory and accounting firm serving clients globally in nonprofit, food and beverage, entertainment, and health industries, leveraging a global network for comprehensive services (Note: This summary is based on the provided content without mentioning the company name) |
1,768 | |||
| 15 |
B. Riley Financialbrcgh.com
Provides diverse collaborative solutions in capital raising, business advisory, investment banking, wealth management, financial consulting, corporate restructuring, risk/compliance, and more |
1,596 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Programming.comprogramming.com
The company specializes in providing efficient and cost-effective software solutions in various cutting-edge technologies and services for digital transformation |
1,494 | |||
| 17 |
Manatt, Phelps & Phillips, LLPmanatt.com
Innovative professional services firm offering legal services, advocacy, and business strategies all in one place 50 years of leading the industry |
1,172 | |||
| 18 |
Buchalterbuchalter.com
A full-service business law firm with expertise in various legal areas, providing timely and cost-sensitive legal solutions for clients nationwide |
1,024 | |||
| 19 |
Agilisium Consultingagilisium.com
Data to Insights R&D and Engineering Lab specializing in GenAI, Advanced Analytics, and Solutions for Life Science industries, offering global services and talent support |
888 | |||
| 20 |
360 Degree Cloud360degreecloud.com
Salesforce services provider offering consultation, implementation, third-party integrations, automation, CRM customization, web & app development, and Salesforce-native solutions globally |
876 | |||
| 21 | 863 | ||||
| 22 |
Lucas Groupkornferry.com
A recruitment firm acquired by Korn Ferry, matching clients with talented professionals to achieve career goals, benefiting from a century of search expertise |
845 | |||
| 23 |
Wood, Smith, Henning & Berman LLPwshblaw.com
A diverse law firm providing top-tier representation in a wide range of practice areas, focusing on efficient, successful outcomes for clients |
837 | |||
| 24 |
Psomaspsomas.com
A full-service consulting firm specializing in award-winning projects with a focus on sustainability in Transportation, Water, Facilities, Land Development, Energy, and Federal markets |
799 | |||
| 25 | 795 | ||||
| 26 |
Career Group Companiescareergroupcompanies.com
Specializes in staffing and recruitment for administrative, creative, fashion, events, and executive professionals across multiple divisions. |
728 | |||
| 27 | 685 | ||||
| 28 |
Child Care Careerschildcarecareers.com
Comprehensive resource for child care careers, preschool teachers, and daycare staffing needs Providing all services in one convenient place |
617 | |||
| 29 |
DTZ, a UGL companycushmanwakefield.com
Global leader in property services offering end-to-end solutions for occupiers and investors worldwide, including leasing, property management, capital markets, valuation, and project management |
609 | |||
| 30 |
MGO (Macias Gini & O'Connell LLP)mgocpa.com
Global team of financial service professionals providing assurance, tax, advisory, outsourcing, and private client services with a focus on outstanding service experiences and sophisticated digital tools |
592 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
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The same list elsewhere in United States
- Professional services firms in the United States 7,078
- Professional services firms in New York State 955
- Professional services firms in California 880
- Professional services firms in Texas 629
- Professional services firms in Florida 375
- Professional services firms in Virginia 344
- Professional services firms in Illinois 339
- Professional services firms in Massachusetts 249
- Professional services firms in New Jersey 249
- Professional services firms in Georgia 246
- Professional services firms in Pennsylvania 245
- Professional services firms in Ohio 195
- Professional services firms in Maryland 176
- Professional services firms in Michigan 172
- Professional services firms in Washington State 163
- Professional services firms in North Carolina 142
- Professional services firms in Alabama 135
- Professional services firms in Minnesota 125
- Professional services firms in New York 735
- Professional services firms in Chicago 196
- Professional services firms in Houston 156
- Professional services firms in Atlanta 143
- Professional services firms in San Francisco 130
- Professional services firms in Washington 109