Best Business Services Companies in South Dakota, United States
The 80 best Business Services companies in South Dakota, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: South Dakota Building Authority.
Ranked: Best Business Services companies in South Dakota
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | South Dakota Building Authority Provider of legal services | $57M | 108 mo ago | Funding Raised | Thomas Graham Chairman & CEO | 2000 | — | — | — |
| 2 | Ascensos Provider of outsourced customer experience management specializing in the retail sector | $10M | 97 mo ago | Acquired | John Devlin Co-Founder & CEO | 2013 | Apple iCloud MailMicrosoft 365Stripe+15 | — | 2 job openings |
| 3 | SBS CyberSecurity Cybersecurity solutions: consulting, auditing, testing, education, and risk management | $200K | 201 mo ago | Funding Raised | — | 2004 | Cart FunctionalityApple iCloud MailFacebook Login+30 | — | — |
| 4 | Elevate Rapid City Provider of operational management consulting services | — | 10 mo ago | Funding Raised | Tom Johnson President & CEO | 2019 | JavaMicrosoft ASP.NETBootstrap+24 | — | 1 award |
| 5 | Southwest Adjusters Provider of claim adjusting services | — | 44 mo ago | Acquired | — | 2003 | — | — | — |
| 6 | Rapid Fire Protection Offers designing and installation of fire sprinkler systems | — | 76 mo ago | Acquired | Matt Hammond CEO | 2019 | ExpressionEnginePHPVimeo+16 | — | — |
| 7 | 9 Clouds Provider of digital marketing services to automotive dealerships | — | — | Unfunded | — | 2009 | WordPress Block EditorWordPressMySQL+25 | 3 patents Automated medication dispensing devices and performance running‑shoe sole engineering | — |
| 8 | Advanced Tech Provider of managed IT services and cybersecurity solutions for businesses. | — | — | Unfunded | — | 2001 | — | 2,785 patents Power conversion devices and chemical processes for electronic waste recycling and cleaning | — |
Top 6 Business Services companies in South Dakota
#1
Funding Raised · Pierre, South Dakota · founded 2000$57.2Mraised▾
Provider of legal services
- Jun 2017Conventional Debt$57.2M
#2
Acquired · Scotland, South Dakota · founded 2013 · 1037 employees$9.9Mraised▾
Provider of outsourced customer experience management specializing in the retail sector. It offers omnichannel customer service solutions, including home-based and office-based support. The company focuses on attracting, recruiting, and retaining customer experience experts to serve as brand ambassadors. It utilizes a hybrid approach of people and technology, integrating live interaction with AI, analytics, and automation. The company builds scalable solutions for clients.
- Apr 2018Seed$1.8M
- Nov 2017Seed$4.4M
- Jul 2015Seed$1.5M
- Oct 2013Seed$2.2M
#3
Funding Raised · Madison, South Dakota · founded 2004$200Kraised▾
Cybersecurity solutions: consulting, auditing, testing, education, and risk management. They empower organizations with comprehensive cybersecurity services, including consulting, auditing, and testing. They offer risk management platforms, simulated phishing, and educational certification programs. Their services include virtual CISO, incident response, business continuity, vendor management, and security awareness training. They provide IT, cybersecurity framework, ACH, and HIPAA security audits. They also offer network and cloud security assessments, penetration testing, vulnerability assessments, and social engineering services. They provide a GRC tool that automates risk assessment and delivers customized results aligned with regulations and best practices. They offer certifications for managers and executives, webinars, and a resource library. They serve banks, credit unions, healthcare, higher education, insurance, telecom, and other industries.
- Sep 2009Grant (prize money)$200K
#4
Funding Raised · Rapid City, South Dakota · founded 2019—raised▾
Provider of operational management consulting services
#5
Acquired · Hot Springs, South Dakota · founded 2003 · 46 employees—raised▾
Since 2003, Southwest Adjusters has been committed to providing unsurpassed multi-line independent adjustment services for both catastrophe and daily claim handling. As we continue to grow, quality and consistency are ensured through continuing education, on-the-job training, mentoring, and careful monitoring of each licensed adjuster’s commitment to personal service and excellence.
- Oct 2022Seed—
#6
Acquired · Rapid City, South Dakota · founded 2019 · 201 employees—raised▾
Offers designing and installation of fire sprinkler systems
- Jan 2020Conventional Debt—
- Jan 2020Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Business Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising