Square Robot
PrivateLast Round
Series B
Dec 15, 2025
Total Funding Raised
$50.65M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Square Robot operates in Frontier & Industrial Tech and is based in Westborough, Massachusetts. Its latest recorded funding round was a Series B round in December 2025.
Square Robot is a robotics company that designs, manufactures, and deploys autonomous, submersible robots for in-service internal inspections of above-ground storage tanks.
Sector
Frontier & Industrial Tech
Verticals
Industrial Robotics, Energy Management, Environmental Monitoring
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Square Robot Comparables
Compare Square Robot with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Agellus Tank Robotics | 82% | |
| Manta Robotics LLC | 81% | |
| Pike Robotics | 79% |
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Square Robot Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Dec 15, 2025 | ||||
| Series B | Dec 18, 2024 | ||||
| Series B | Nov 1, 2024 | ||||
| VC Round | Oct 12, 2023 | ||||
| Accelerator | May 4, 2023 | ||||
Series A | Sep 20, 2022 |
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Key People
Founding team and executive leadership
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Square Robot Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| MassRobotics | Accelerator |
| Crosstown Capital Partners | VC Round |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 20, 2026
Monthly visitors increased 64% MoM, reaching 2.1K.
- Jun 18, 2026
Monthly visitors grew 65% MoM, reaching 1.5K.
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Recent news
Latest coverage and updates
- receives_awardOct 2, 2026
Square Robot, Inc. won the 2026 NIOSH Prevention through Design (PtD) Award, presented at the National Safety Council Safety Congress & Expo in Indiana in 2026, for its SR-3 submersible inspection robot and Side Launcher deployment system.
- attends_eventSep 30, 2026
At the NSC Safety Congress & Expo in Indiana, Square Robot, Inc.'s Amy Underwood accepted the 2026 NIOSH Prevention through Design Award on Sep 15th '26.
- attends_eventSep 17, 2026
Square Robot, Inc. receives the 2026 Prevention through Design Award at the PtD Award Ceremony during the National Safety Council Safety Congress and Expo in Indiana on Sep 15th '26.
- receives_awardSep 16, 2026
Square Robot, Inc. has won the 2026 NIOSH Prevention through Design (PtD) Award for its SR-3 submersible inspection robot and Side Launcher deployment system, presented at the National Safety Council Safety Congress & Expo in Indiana for eliminating confined-space entry through design.
- receives_awardSep 16, 2026
Square Robot, Inc. received the sixth annual Prevention through Design Award from the National Institute for Occupational Safety and Health during the 2026 NSC Safety Congress & Expo in Indiana on Sep 15th '26 for developing a submersible robotic system that allows tank inspections without worker entry.
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Square Robot Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Square Robot's valuation, stock price, and market status.
Is Square Robot a public or private company?
Square Robot is a private company.
What is the current stock price of Square Robot?
Square Robot is a private company, so its shares have no public market price. Caplight tracks Square Robot's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Square Robot worth (valuation)?
Valuation information for Square Robot is not publicly available.
Can I buy Square Robot stock?
Square Robot shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Square Robot's last funding round?
Square Robot's most recent funding round was Series B on December 15, 2025.
Who are the main investors in Square Robot?
Key investors in Square Robot include Crosstown Capital Partners.
Will Square Robot IPO soon?
No public IPO plans have been announced for Square Robot.
How can I track Square Robot secondary market activity?
Caplight tracks bids, offers, and trades in Square Robot's shares on secondary markets.