Tracked deals
70
70 tracked deals across 2017-2026.
Private Equity Firm
Business Services
Thompson Street Capital Partners
St Louis, Missouri, United States
Thompson Street Capital Partners (“TSCP”) is a middle-market private equity firm based in St. Louis, Missouri. TSCP invests globally in Life Sciences & Healthcare, Software & Technology, and Business & Consumer Services and Products, partnering with management teams to accelerate growth organically and via complementary acquisitions.
- Focus Areas
- Private equity investing, Life Sciences & Healthcare, Software & Technology
- Website
- tscp.com
Recent pace
8
8 tracked deals announced in the last 12 months.
Deal mix
Addon
47 addon · 10 buyout · 9 growth capital
Thompson Street Capital Partners Acquisition Volume by Year
Last 10 years
Actual
Full-year estimate
Supporting Data
Recent Transactions
Showing the 12 most recent of 70 tracked deals for Thompson Street Capital Partners.
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- Buyer
- PestCo Holdings, LLC, Thompson Street Capital Partners
- Target
- University Termite & Pest Control
- Seller
- Ryan Horn, Krista Horn
- Industry
- Professional Services
- Location
- Arizona, United States
- Type
- Addon
Thompson Street Capital Partners (TSCP) portfolio company PestCo Holdings, LLC acquired University Termite & Pest Control, a Tucson, Arizona pest management company serving both commercial and residential customers. The acquisition expands PestCo’s capabilities and presence in Arizona. Financial terms were not disclosed.
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March 31, 2026
- Buyer
- KJA, ATIS, Thompson Street Capital Partners (TSCP)
- Target
- Vinspec Ltd.
- Industry
- Professional Services
- Location
- Alberta, Canada
- Type
- Addon
KJA, a subsidiary of ATIS (a Thompson Street Capital Partners portfolio company), acquired Vinspec Ltd., an Alberta-based elevator and escalator consulting and safety inspection firm. The transaction expands KJA/ATIS’s footprint and capabilities in Alberta while enhancing safety, consulting, and inspection services across Western Canada. Terms were not disclosed.
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- Buyer
- Thompson Street Capital Partners (TSCP)
- Target
- Karpel Computer Systems, Inc.
- Industry
- Cloud & SaaS
- Location
- Missouri, United States
- Type
- Growth capital
Thompson Street Capital Partners (TSCP) has completed a growth investment in Karpel Computer Systems, a St. Louis-based provider of prosecutor case management software. The deal terms were not disclosed, and TSCP said the investment will support Karpel’s product innovation and go-to-market expansion.
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- Buyer
- KJA, ATIS, Thompson Street Capital Partners (TSCP)
- Target
- Soberman Engineering
- Industry
- Professional Services
- Location
- Ontario, Canada
- Type
- Addon
Thompson Street Capital Partners announced the acquisition of Soberman Engineering by KJA, a subsidiary of ATIS. The deal expands KJA’s vertical transportation inspection, consulting, and managed services capabilities in Toronto and the new construction market. Financial terms were not disclosed.
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January 7, 2026
- Buyer
- PestCo Holdings, LLC, Thompson Street Capital Partners
- Target
- Bio‑Tech Pest Control
- Seller
- Pierre Riettini, Jason Pitman
- Industry
- Environmental Services
- Location
- Texas, United States
- Type
- Addon
PestCo Holdings, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired the assets of Bio‑Tech Pest Control, a Spring, Texas‑based provider of residential and commercial pest control services. The add‑on expands PestCo's presence in the Houston metropolitan market; terms were not disclosed. The sellers are owners Pierre Riettini and Jason Pitman.
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December 23, 2025
- Buyer
- ATIS, Thompson Street Capital Partners
- Target
- Bayline Lift Technologies
- Industry
- Engineering Services
- Location
- Virginia, United States
- Type
- Addon
ATIS, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired Bayline Lift Technologies, an independent elevator inspection and consulting firm headquartered in Norfolk, Virginia. The add-on strengthens ATIS's footprint in the Mid-Atlantic and expands its inspection and consulting capabilities for government and private-sector clients.
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- Buyer
- PestCo Holdings, LLC, Thompson Street Capital Partners
- Target
- Southwest Exterminating
- Seller
- Nick Spillios, Susan Spillios
- Industry
- Environmental Services
- Location
- Texas, United States
- Type
- Addon
PestCo Holdings, a Thompson Street Capital Partners (TSCP) portfolio company, has acquired Southwest Exterminating, a Houston-based provider of residential and commercial pest control services. The acquisition expands PestCo's presence in the Houston market; financial terms were not disclosed.
-
- Buyer
- ATIS, Thompson Street Capital Partners
- Target
- Technical Inspection Agency USA (TIA USA)
- Industry
- Professional Services
- Location
- Nevada, United States
- Type
- Buyout
ATIS, a St. Louis-based provider of elevator and escalator inspections and consulting (backed by Thompson Street Capital Partners), has acquired Technical Inspection Agency USA (TIA USA), a Las Vegas–headquartered provider of vertical transportation inspections and consulting serving Nevada and Arizona. The deal expands ATIS’ national footprint and technical capabilities in complex vertical transportation systems; terms were not disclosed.
-
- Buyer
- Thompson Street Capital Partners
- Target
- Bubbakoo's Burritos
- Industry
- Restaurants & Hospitality
- Location
- New Jersey, United States
- Type
- Buyout
Thompson Street Capital Partners (TSCP), a St. Louis-based private equity firm, has acquired Bubbakoo's Burritos, a New Jersey-based fast-casual Mexican-fusion franchisor with more than 130 locations across 15 states. TSCP plans to support the brand's next phase of growth by investing in technology, brand development, infrastructure, and franchisee support systems; terms were not disclosed.
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January 1, 2025
- Buyer
- ATIS, Thompson Street Capital Partners
- Target
- M.A.N Elevator Inspections
- Industry
- Engineering Services
- Location
- Florida, United States
- Type
- Addon
ATIS, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired M.A.N Elevator Inspections, a Florida-based provider of elevator inspection services. The deal expands ATIS's footprint and inspection capacity across southeastern (and western) Florida; terms were not disclosed.
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December 10, 2024
- Buyer
- OpenClinica, Thompson Street Capital Partners
- Target
- BuildClinical
- Industry
- Healthcare Services
- Location
- New York, United States
- Type
- Addon
OpenClinica, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired BuildClinical to integrate patient recruitment capabilities into its eClinical software suite. The deal (terms undisclosed) creates an end-to-end offering for recruitment, consent, enrollment and data capture across academic medical centers, CROs, pharma and biotech customers.
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November 13, 2024
- Buyer
- ATIS, Thompson Street Capital Partners
- Target
- Vermont Elevator Inspection Services (VEIS)
- Industry
- Engineering Services
- Location
- Vermont, United States
- Type
- Addon
ATIS, a portfolio company of Thompson Street Capital Partners (TSCP), has acquired Vermont Elevator Inspection Services (VEIS). The add-on expands ATIS' geographic footprint into Vermont and strengthens its local inspection and regulatory compliance capabilities; terms were not disclosed.
Related Acquisition Pages
Environmental Services Buyers & Acquisitions
16 tracked deals by Thompson Street Capital Partners.
Healthcare Services Buyers & Acquisitions
6 tracked deals by Thompson Street Capital Partners.
Cloud & SaaS Buyers & Acquisitions
5 tracked deals by Thompson Street Capital Partners.
HVAC & Mechanical Buyers & Acquisitions
5 tracked deals by Thompson Street Capital Partners.
Acquisitions in Missouri
7 tracked deals by Thompson Street Capital Partners.
Acquisitions in New Jersey
6 tracked deals by Thompson Street Capital Partners.
Acquisitions in California
5 tracked deals by Thompson Street Capital Partners.
Acquisitions in Illinois
5 tracked deals by Thompson Street Capital Partners.
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