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STO Building Group

North America, New York, United States, New York

Description

STO Building Group is a construction management company that offers site selection, design review and modernization services.

Investor Profile

STO Building Group has backed more than 3 startups, with 1 new investments in the last 12 months alone. The firm has led 0 rounds, about 0% of its total and boasts 0 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series Unknown, Series A rounds (top funding stages).
  • Majority of deals are located in United States.
  • Strong thematic focus on Software, B2B, Construction.

Stage Focus

  • Seed (33%)
  • Series Unknown (33%)
  • Series A (33%)

Country Focus

  • United States (100%)

Industry Focus

  • Software
  • B2b
  • Construction
  • Project Management
  • Saas
  • Artificial Intelligence (Ai)
  • Fintech
  • Productivity Tools
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does STO Building Group frequently co-invest with?

Liberty Mutual Strategic Ventures
North America, Massachusetts, United States, Boston
Co-Investments: 1
PruVen Capital
North America, California, United States, Palo Alto
Co-Investments: 1
Thornton Tomasetti
North America, New York, United States, New York
Co-Investments: 3
Insight Partners
North America, New York, United States, New York
Co-Investments: 2
Suffolk Technologies
North America, Massachusetts, United States, Boston
Co-Investments: 3
Redpoint
North America, California, United States, Menlo Park
Co-Investments: 1
AA
North America, New York, United States, New York
Co-Investments: 1
Charps
North America, Minnesota, United States, Clearbrook
Co-Investments: 1
Innovation Endeavors
North America, California, United States, Palo Alto
Co-Investments: 1
Dysruptek
North America, Florida, United States, Jacksonville
Co-Investments: 2

Which angels does STO Building Group often collaborate with?

RK
North America, New York, United States, New York
Shared Deals: 2
MO
North America, California, United States, Sunnyvale
Shared Deals: 2

What are some of recent deals done by STO Building Group?

Skema

Atlanta, Georgia, United States

Skema powers next-level BIM with AI, helping AEC firms transform through partnerships with architects, designers & contractors.

SeedMar 2, 2026
Join

Oakland, California, United States

Join provides a collaborative software platform for managing preconstruction and design phases of projects.

CollaborationConstructionSaaSSoftware
Series UnknownSep 11, 2025
Trunk Tools

New York, New York, United States

Trunk Tools is a construction AI platform that automates construction workflows for project managers, superintendents, and executivies.

Artificial Intelligence (AI)FinTechProductivity ToolsSoftware
Series AAug 20, 2024
Amount Raised: $20,000,000
Outbuild

San Francisco, California, United States

Outbuild is a construction-focused scheduling and planning platform.

B2BConstructionProject ManagementSaaSSoftware
SeedJun 23, 2022
Amount Raised: $2,700,000
Outbuild

San Francisco, California, United States

Outbuild is a construction-focused scheduling and planning platform.

B2BConstructionProject ManagementSaaSSoftware
Series UnknownJun 23, 2022
Amount Raised: $2,700,000

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