Best Business Services Companies in Saint Louis, United States
The 87 best Business Services companies in Saint Louis, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Perficient.
Ranked: Best Business Services companies in Saint Louis
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Perficient 🦄 Provider of data intelligence and IT consulting services | $876M | 14 mo ago | Acquired | Tom Hogan CEO | 1997 | WordPressMySQLPHP+24 | — | 2 awards |
| 2 | ESCO Technologies Manufactures filtration and fluid control products | $516M | 80 mo ago | Public | Vic Richey CEO & President | 1990 | DrupalApple iCloud MailMicrosoft 365+27 | 2,264 patents Wear components and shroud systems for earth‑moving equipment | 2 job openings |
| 3 | SimpleRose Developer of data analytics platform | $36M | 35 mo ago | Series C | Carl Ledbetter Co-Founder & Chairman | 2018 | — | — | 1 launch · 1 award |
| 4 | ATIS Elevator Inspections Provider of premier elevator inspection services | — | 20 mo ago | Late Stage | J A Marchack CEO & President | 2013 | Cart FunctionalitySquarespace CommerceSquarespace+22 | — | — |
| 5 | Go-Inc Provider of event management services | — | 31 mo ago | Seed | Holly Jamin Owner | 2002 | — | — | — |
| 6 | Harmonee Non-profit organization dedicated to reversing global heating and preserving rainforests for the survival of… | — | 60 mo ago | Funding Raised | Justin Trusty Co-Founder | 2020 | — | — | — |
| 7 | Abstrakt Marketing Group Provider of lead generation, sales force consulting and marketing services | — | — | Unfunded | Scott Scully Founder & CEO | 2009 | WordPressSentryMySQL+33 | — | 2 awards |
| 8 | acropolis technology group Acropolis Technology Group is a premier IT Solution provider. | — | — | Acquired | — | 1996 | — | — | — |
Top 6 Business Services companies in Saint Louis
#1
Acquired · Saint Louis, Missouri · founded 1997 · 6547 employees$876.1Mraised▾
Provider of data intelligence and IT consulting services
- Apr 2025Post IPO$100M
- Nov 2021Post IPO$330M
- Aug 2020Post IPO$200M
- Oct 2018Post IPO$1.7M
#2
Series C · Saint Louis, Missouri · founded 2018 · 25 employees$36Mraised▾
Developer of a prescriptive analytics platform designed to advance complex operational problems. The company's platform leverages algorithmic innovation for massive parallelism to deliver differentiated numerical accuracy, speed, and dynamic programming for continuous analysis, enabling companies to solve problems in scheduling, production planning, and portfolio optimization.
- Jul 2023Series C$23M
- Oct 2018Series A$13M
- 2018Seed—
#3
Public · Saint Louis, Missouri · founded 1990 · 2922 employees$515.5Mraised▾
ESCO Technologies offers engineered products and solutions to end-markets that include the aerospace, space, healthcare, wireless, consumer electronics, and electric utility industries. Supplies special purpose communications systems for electric, gas, and water utilities. ESCO offers software to support advanced metering application and provides highly engineered components, chambers and test and measurement systems that allow customers to perform sophisticated tests through ETS Lindgen Inc.
- Sep 2019Conventional Debt$50M
- May 2017Post IPO$15.5M
- Dec 2015Conventional Debt$450M
#4
Late Stage · Saint Louis, Missouri · founded 2013 · 168 employees—raised▾
Provider of premier elevator inspection services
- Sep 2024PE—
#5
Seed · Saint Louis, Missouri · founded 2002—raised▾
Provider of event management services
- Oct 2023Seed—
#6
Funding Raised · Saint Louis, Missouri · founded 2020—raised▾
Non-profit organization dedicated to reversing global heating and preserving rainforests for the survival of the planet
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
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.