DEPLOYDatabase

Company

Square Robot

US robotics company specializing in autonomous submersible robots for in-service inspection of aboveground storage tanks.

Founded
2016
HQ
Westborough, MA, USA
Status
active

The verified answer

As of Aug 2026, DEPLOY verifies Square Robot: 1 model, 2 deployments across 2 regions, $20.5M raised. 1 source back the record.

CategoryMaritime

Overview

US robotics company specializing in autonomous submersible robots for in-service inspection of aboveground storage tanks. Its SR-3 platform performs API 653 and EEMUA 159-compliant internal tank inspections while tanks remain online, eliminating confined space entry. Founded in 2016 by former Bluefin Robotics executives in Massachusetts, Square Robot has inspected over 400 tanks globally for clients including ExxonMobil and Marathon Petroleum.

Verified record

Verified deployments
2 deployments on file
Active incidents
None on file

Valuation of record

Company-claimed
$38M (reported, approximate)as of Dec 2025

Priced roundOther post-money

See the full valuations ranking →

Key facts

Robot

Autonomous submersible robots (SR-1, SR-3) for in-service internal inspection of aboveground storage tanks

Technology

Phased-array ultrasonic testing to inspect tank floors to API 653 / EEMUA 159 standards

Customers

Tanks holding volatile products including diesel, jet fuel, and gasoline

Stage

FM-approved for Class I, Division 2 hazardous locations

Focus

In-pipe inspection robotics for pipeline integrity

Competitors

Gecko Robotics, HiBot, Energy Robotics

Data & sources

Web sources

1

1 source backing this record.View all →

Partnerships

Every company Square Robot has built with, alongside the ones only announced in a press release.

4 total4 operating

Most-frequent partners

  1. 1Marathon Petroleum2× joint
  2. 2ExxonMobil1× joint
  3. 3Kraken Robotics1× joint2 total
  4. 4Kraken Sonar Inc.1× joint

Most recent

  1. with Marathon Petroleumoperating
  2. with ExxonMobiloperating
  3. with Kraken Roboticsoperating
  4. with Kraken Sonar Inc.operating

Square Robot on the deployment map

View the global map

2 verified deployments across 2 regions, newest verified Jun 2021. Explore where Square Robot's robots are operating, by place and type.

Free to use on your site, with a link back to DEPLOY.

View the full Square Robot deployment record →

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Relationships

MMarathon PetroleumCustomerMMarathon PetroleumInvestorEExxonMobilCustomerKKraken RoboticsManufacturerKKraken Sonar Inc.ManufacturerSSiemens Energy VenturesInvestorSSquare RobotCustomer

Current leadership (5)

Founders (4)

See all founders across the registry →

Safety record

No incidents on record for Square Robot.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Full safety record: incidents, sourcing, and exposure data →

Operator customers (1)

Recent coverage

Square Robot in third-party press

Peers

10 peers across 1 segment. Every Square Robot competitor derived from shared form-factor and application-domain edges.

auv(10)

9 companies in this segment · highly_concentrated (HHI 10000) · leader Shihang Intelligent at 10000%