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Radar · Business Services in South Dakota

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.

80companies tracked
$67.3Mdisclosed funding
0unicorns
5have raised

Ranked: Best Business Services companies in South Dakota

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackPatents & IP focusRecent signals
1South Dakota Building Authority
Provider of legal services
$57M108 mo agoFunding RaisedThomas Graham
Chairman & CEO
2000———
2Ascensos
Provider of outsourced customer experience management specializing in the retail sector
$10M97 mo agoAcquiredJohn Devlin
Co-Founder & CEO
2013Apple iCloud MailMicrosoft 365Stripe+15—2 job openings
3SBS CyberSecurity
Cybersecurity solutions: consulting, auditing, testing, education, and risk management
$200K201 mo agoFunding Raised—2004Cart FunctionalityApple iCloud MailFacebook Login+30——
4Elevate Rapid City
Provider of operational management consulting services
—10 mo agoFunding RaisedTom Johnson
President & CEO
2019JavaMicrosoft ASP.NETBootstrap+24—1 award
5Southwest Adjusters
Provider of claim adjusting services
—44 mo agoAcquired—2003———
6Rapid Fire Protection
Offers designing and installation of fire sprinkler systems
—76 mo agoAcquiredMatt Hammond
CEO
2019ExpressionEnginePHPVimeo+16——
79 Clouds
Provider of digital marketing services to automotive dealerships
——Unfunded—2009WordPress Block EditorWordPressMySQL+253 patents
Automated medication dispensing devices and performance running‑shoe sole engineering
—
8Advanced 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

Funding rounds
  • Jun 2017Conventional Debt$57.2M
Founders & team
Thomas GrahamChairman & CEO
Investors
Dougherty & Company
#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 17k LinkedIn followers — 17.1% of this cohort's audience · 64 engagements/post (1.6× cohort median)
Hiring: 5 hiring posts in 12 mo (public) · momentum +1 · hiring: Customer Service Advisor, Utilities SME Advisor
Activity: 4 awards announced in 12 mo
Funding rounds
  • Apr 2018Seed$1.8M
  • Nov 2017Seed$4.4M
  • Jul 2015Seed$1.5M
  • Oct 2013Seed$2.2M
Founders & team
John DevlinCo-Founder & CEODermot JenkinsonCo-Founder And Executive Chairman
Investors
Eijk De Mol Van Otterloo Revocable Trust, Burel Family Trust, Loren L Coppock Revocable Trust, Michael A Weber Trust, Spanglers Survivors Trust, Lorrainehortonbourtrust
Tech stack
AngularjsApple Icloud MailCookiebotCore-JsFacebook PixelGodaddy
#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 4k LinkedIn followers — 4.4% of this cohort's audience
Funding rounds
  • Sep 2009Grant (prize money)$200K
Investors
National Science Foundation
Tech stack
AffiliatlyAmplitudeAosApple Icloud MailAzureAzure Edge Network
#4
Funding Raised · Rapid City, South Dakota · founded 2019
—raised
▾

Provider of operational management consulting services

LinkedIn Pulse recent public activity · Jul 2026
Audience: 4k LinkedIn followers — 4.4% of this cohort's audience
Activity: 1 awards announced in 12 mo
Founders & team
Tom JohnsonPresident & CEO
Investors
National Oceanic and Atmospheric Administration
#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.

Funding rounds
  • Oct 2022Seed—
Investors
Longshore Capital Partners
Tech stack
WordpressMysqlPhpContact Form 7Apache Http Server
#6
Acquired · Rapid City, South Dakota · founded 2019 · 201 employees
—raised
▾

Offers designing and installation of fire sprinkler systems

Funding rounds
  • Jan 2020Conventional Debt—
  • Jan 2020Seed—
Founders & team
Matt HammondCEO
Investors
Capitala Group
Tech stack
CloudflareCloudflare Bot ManagementCodeigniterExpressionengineFont AwesomeGodaddy

Funding & investor landscape

$67.3Mtotal disclosed funding
3companies funded
6disclosed rounds
0rounds last 90 days
Most active investors
Burel Family Trust1 rounds
Capitala Group1 rounds
Cedarinvestments1 rounds
Dougherty & Company1 rounds
Eijk De Mol Van Otterloo Revocable Trust1 rounds
Focus Strategies Merchant Investments1 rounds
Go Capital1 rounds
HOTventures1 rounds
HSBC1 rounds
InvestPro Consults1 rounds

Notable founders

Thomas Graham
Chairman & CEO · South Dakota Building Authority
John Devlin
Co-Founder & CEO · Ascensos
Dermot Jenkinson
Co-Founder And Executive Chairman · Ascensos
Tom Johnson
President & CEO · Elevate Rapid City
Matt Hammond
CEO · Rapid Fire Protection
Prism market signals · United States · country-scoped Prism corpus, 20,980,623 docs

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

Common questions

How many Business Services companies are there in South Dakota, United States?
Radar tracks 80 indexable Business Services companies headquartered in South Dakota, United States that meet our profile-completeness bar.
What is the total funding raised by Business Services companies in South Dakota, United States?
The Business Services companies in South Dakota, United States on this list have raised a combined $67.3M in disclosed equity funding across 3 funded companies.
Which is the highest-funded Business Services company in South Dakota, United States?
South Dakota Building Authority is the highest-funded Business Services company in South Dakota, United States, with $57.2M in disclosed equity funding.
How many Business Services companies in South Dakota, United States are funded?
3 of the 80 Business Services companies in South Dakota, United States on this list have disclosed at least one equity funding round.
How many Business Services unicorns are there in South Dakota, United States?
None of the Business Services companies in South Dakota, United States on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in South Dakota, United States Business Services companies?
The most active investors in South Dakota, United States Business Services companies on this list include Burel Family Trust, Capitala Group, Cedarinvestments, Dougherty & Company, Eijk De Mol Van Otterloo Revocable Trust.
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