The professional services sector in South Carolina is characterized by a mix of established firms and younger companies, primarily focused on staffing, legal services, and healthcare. Notable companies include Nelson Mullins Riley & Scarborough, a legal firm established in 1897, and Cargo, an advertising agency founded in 2006. Staffing and recruiting firms like Snelling Staffing and HireQuest Inc. also feature prominently, alongside healthcare providers such as Ob Hospitalist Group.
Many of these firms are headquartered in Greenville and Columbia, indicating these cities as key hubs for professional services in the state. The presence of multiple staffing and recruiting companies suggests a strong demand for workforce solutions across various industries in South Carolina.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Nelson Mullins Riley & Scarboroughnelsonmullins.com
Established in 1897, this firm with over 1,000 attorneys and professionals provides legal services across 33 offices in 17 states |
2,142 | |||
| 2 |
Cargothecargoagency.com
Cargo specializes in marketing and advertising to Small Businesses, using creative strategies to build awareness and loyalty for a wide range of brands |
1,667 | |||
| 3 |
Snelling Staffingsnelling.com
Industry-leading staffing and recruitment firm since 1951, specializing in matching exceptional talent with exceptional opportunities using award-winning expertise and technology |
1,624 | |||
| 4 |
HireQuest Inc.hirequest.com
A family of staffing companies providing temporary employment in various industries, emphasizing efficiency and offering franchise opportunities while supporting charitable causes |
1,233 | |||
| 5 |
TRS Staffing Solutionstrsstaffing.com
World leading engineering recruitment agency specializing in professional, engineering, technical, and field talent supply for organizations globally Offering complete specialist resourcing service for candidates and employers |
1,198 | |||
| 6 |
Elliott Daviselliottdavis.com
A leading US business solutions firm with over a century of experience in tax, assurance, and consulting services Follow for updates and visit their website for more information |
1,167 | |||
| 7 |
HTIhtijobs.com
HTI specializes in Workplace Strategies, Employee Life Cycle Management, and Professional Recruiting to connect job seekers with the right talent for employers |
982 | |||
| 8 |
Ob Hospitalist Groupobhg.com
Leader in providing real-time triage and hospital-based obstetric coverage to ensure consistent, timely care for pregnant patients and support for local OB/GYN physicians |
763 | |||
| 9 |
Find Great People | FGPfgp.com
National talent acquisition and HR consulting firm focused on finding great people for great companies, with emphasis on growth, gratitude, and impact |
727 | |||
| 10 |
McAngus Goudelock & Couriemgclaw.com
A metrics-driven law firm specializing in serving the insurance industry, insureds, and self-insureds Known for their focus on results |
691 | |||
| 11 |
Life Cycle Engineeringlce.com
Provides consulting, engineering, IT, and education solutions for private industry, government, and military, focusing on reliability, technology, engineering, and education services |
588 | |||
| 12 |
Medico Healthcare Services & Technologiesmedicoinc.com
Healthcare services and technology company specializing in medical billing, consulting, practice analytics, and revenue cycle management solutions for healthcare practices |
566 | |||
| 13 |
HKA Enterpriseshkaa.com
Corporate workforce solutions provider offering Employer of Record, HR, staffing services with cost savings, high-touch service, and customized solutions for businesses |
547 | |||
| 14 |
LS3P ASSOCIATES LTD.ls3p.com
An architecture, interiors, and planning firm with 60 years of design excellence, focusing on creating outstanding spaces for various purposes |
543 | |||
| 15 |
LexiCodelexicode.com
Industry-leading Health Information Management services with a team of over 1,700 credentialed professionals offering medical coding, auditing, education, and consulting solutions |
499 | |||
| 16 |
McMillan Pazdan Smith Architecturemcmillanpazdansmith.com
Architecture, advisory services, planning, and interior design firm in the Southeast with a focus on collaboration, innovation, and meaningful impact |
489 | |||
| 17 |
Motley Ricemotleyrice.com
A leading plaintiffs' litigation firm known for landmark cases in asbestos, tobacco, 9/11, catastrophic injury, consumer fraud, and more |
451 | |||
| 18 |
Infrastructure Consulting & Engineeringice-eng.com
A transportation consulting and engineering firm providing quality services in the Southeast, with recognized excellence, dedicated client focus, and over 400 professionals |
450 | |||
| 19 |
ESP Associates, Inc.espassociates.com
A multi-disciplinary engineering firm offering civil engineering, surveying, environmental, and construction services to government agencies, developers, and various industries |
398 | |||
| 20 |
ORBIS Incorbisinc.net
A Veteran Owned Small Business providing engineering, technical, and consulting services to the Department of Defense with headquarters in Charleston, SC |
302 | |||
| 21 |
Haynsworth Sinkler Boyd, P.A.hsblawfirm.com
This company provides innovative legal solutions across various sectors, offering advice, counsel, and representation in regional, national, and international settings |
262 | |||
| 22 |
Blue Acorn iCiblueacornici.com
The company specializes in digital customer experience, analytics, digital commerce, and experience-driven commerce offerings to enhance interactions and drive business growth |
257 | |||
| 23 |
MRINetworkmrinetwork.com
Global network of talent advisors providing executive search and recruitment services worldwide, recently acquired by a nationwide franchisor offering staffing solutions in various industries |
252 | |||
| 24 |
eGroup Enabling Technologiesegroup-us.com
A recognized leader in Data and AI, Cloud, Hybrid Cloud, Data Center, Security, and Managed Services, empowering businesses with expertise and solutions |
229 | |||
| 25 |
Pinnacle Consulting LLCpinnacleconsultingllc.com
IT solutions company offering tailored business processes, focusing on customer needs with accountable and adaptable solutions, emphasizing industry best practices and building lasting relationships |
225 | |||
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. | |||||
| 26 |
Recruiting Solutionsrecruitingsolutionsonline.com
Independent family-owned staffing business, building long-term partnerships with clients and field associates Specialized in providing talent solutions for improved productivity and company culture |
220 | |||
| 27 |
1 POINT SYSTEM LLC1pointsys.com
A consulting firm with top industry leaders offering talent acquisition solutions and IT personnel management strategies to experienced professionals |
211 | |||
| 28 |
Apple & Associatesappleassoc.com
An executive search firm specializing in industries such as Medical Device, Pharmaceutical, and Software, filling permanent and contract positions globally |
184 | |||
| 29 |
GEL Laboratories, LLCgel.com
A leading provider of environmental analytical services since 1981, offering chemical, radiochemical, and specialty analyses with state-of-the-art instrumentation and accreditation from various agencies |
184 | |||
| 30 |
LINKuseinktothink.com
A consulting agency that combines creative and analytical approaches to solve challenging problems, drive change, engage people, discover opportunities, and inspire action |
184 | |||
| 31 |
Davis & Floyd, Inc.davisfloyd.com
Davis & Floyd designs and engineers innovative solutions to improve communities through construction, environmental, government, transportation, and water projects |
183 | |||
| 32 |
Turner Padget Graham & Laney, P.A.turnerpadget.com
A leading law firm with a rich history and expanding presence in the Southeast, offering practical legal advice and expertise in various areas of law |
182 | |||
| 33 |
Strategic Information Groupstrategic.com
Helping companies implement ERP, CRM, and Quality Management systems efficiently to maximize enterprise technology value and achieve corporate goals. |
152 | |||
| 34 |
Armada Analyticsarmadaanalytics.com
A privately-owned commercial real estate services firm specializing in multifamily assets offering asset management, due diligence, engineering, environmental assessment, insurance review, underwriting, and zoning services |
125 | |||
| 35 |
Rush & Companyrushandcompany.com
Premier executive search firm specializing in Fiber, Fabric, and Fashion Industries Expertise in recruiting top-tier candidates for various roles in Textile Industry Empowering clients with exceptional talent |
60 | |||
| 36 |
WORLD CLASS MAINTENANCEworldclassmaintenance.org
Maintenance and Reliability Best Practices training and consulting services provided by a company based in Clemson, SC to meet organizational needs |
34 | |||
| 37 |
Archetype SCarchetypesc.com
Providing innovative solutions for security, productivity, and user experience needs since 1998 Trusted by startups to Fortune 500 companies for tailored, collaborative services |
30 | |||
| 38 |
Atrium Economicsatriumecon.com
Providing objective expertise and critical thinking to address client needs in the energy industry, forming lasting relationships through collaborative and effective work |
25 | |||
| 39 |
Development Resource Group, LLCdrgpllc.com
A company focused on achieving success through innovation, ingenuity, and collaboration, creating a unique design culture for team members to thrive |
17 | |||
| 40 |
ZettaPrime Inczettaprime.com
A technology consulting and systems support company founded in 2013, providing professional services, management consulting, staffing, and helping individuals and businesses unlock their potential |
15 | |||
| 41 |
Harrell, Martin & Peace, P.A.harrellmartinpeace.com
A law firm offering services in Real Estate, Construction, Corporate, Collection, Estate Planning, Probate, Family, General Litigation, and DUI Defense with a focus on client relationships |
14 | |||
| 42 |
The Middleton Groupthemiddletongroup.net
This firm specializes in sustainable architecture and environmentally-conscious design, focusing on minimizing negative environmental impact while prioritizing occupant comfort and efficiency |
14 | |||
| 43 |
Global Trust Management Consulting LLPglobaltrust.us
International management consulting firm specializing in solving problems for manufacturing clients in operations, business development, project management, and growth strategy |
12 | |||
| 44 |
Burkett Financial Services, LLCburkettfs.com
Comprehensive financial and investment management services for affluent clients, focusing on planning, investing, estate, tax, and retirement, with a team approach and client-centric philosophy |
10 | |||
| 45 |
The Flippin Designertheflippindesigner.com
Offering interior design, project management, and floor plan layouts, creating personalized and meaningful spaces for residential and commercial clients |
8 | |||
| 46 |
IAS Cloud, llciascloud.com
Manufacturing solutions provider offering process improvement, project management, lean manufacturing, reliability engineering, and supply chain management to drive production and profitability |
8 | |||
| 47 |
Cullen Consulting LLCcullenconsult.com
Global network of technology and product development professionals specializing in clean energy solutions, including hydrogen technology, powertrain electrification, energy storage, and strategic planning |
8 | |||
| 48 |
Smallworldsmallworldus.com
A global consulting firm focused on driving innovation and leadership in businesses worldwide through digital solutions and sustainable impact |
7 | |||
| 49 |
EvenStreamsevenstreams.com
A Professional Services company specializing in architecture, implementing, and integrating data center, cloud, and transformation solutions for US customers |
6 | |||
| 50 |
First Class Recruitingfirstclassrecruiting.net
Professional recruiting firm in Greenville, SC specializing in IT, Engineering, Sales, Management, Accounting, and HR consulting services Veteran-owned and operated |
5 | |||
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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 13, 2026.
More company lists in South Carolina
- The largest companies in South Carolina 878
- Manufacturers in South Carolina 108
- Multinational companies in South Carolina 86
- Education providers in South Carolina 85
- Companies with in-house R&D in South Carolina 70
- Public sector organisations in South Carolina 69
- Retail chains in South Carolina 63
- Critical infrastructure operators in South Carolina 60
- Hospitals and Health Care companies in South Carolina 58
- Financial services firms in South Carolina 56
- Hardware manufacturers in South Carolina 54
- Healthcare providers in South Carolina 50
- Higher Education companies in South Carolina 50
- Financial Services companies in South Carolina 41
- Real Estate companies in South Carolina 35
- Companies with a mobile app in South Carolina 33
- IT Services and IT Consulting companies in South Carolina 33
- Distributors and wholesalers in South Carolina 33
- IT services companies in South Carolina 33
- Chemical companies in South Carolina 31
- Government Administration companies in South Carolina 31
- Construction companies in South Carolina 29
- Family-owned companies in South Carolina 29
- Hotel and hospitality groups in South Carolina 26
The same list elsewhere in United States
- Professional services firms in the United States 7,079
- 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 173
- Professional services firms in Washington State 163
- Professional services firms in North Carolina 142
- Professional services firms in Alabama 136
- Professional services firms in Minnesota 124
- 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