T
ThayerMahan
Defence · United States · Founded 2016
Provider of marine robotic solutions for government and industry MoreLess
ThayerMahan is a pioneering company in the field of autonomous maritime surveillance, leveraging cutting-edge technology to collect acoustic and electronic data from the world's oceans. The company serves a diverse range of clients, including government agencies, environmental organizations, and private enterprises, who require advanced oceanic monitoring solutions. Operating in the maritime security and surveillance market, ThayerMahan designs, manufactures, and operates sophisticated systems that provide enhanced coverage and situational awareness at a fraction of the cost of traditional methods. The business model revolves around the sale and operation of these systems, generating revenue through both direct sales and service contracts. ThayerMahan's innovative approach is driven by advancements in robotic miniaturization, digital communications, and artificial intelligence, positioning it as a leader in the industry.
Keywords: autonomous, maritime, surveillance, oceanic data, acoustic, electronic, robotic miniaturization, AI, digital communications, cost-effective.
Company overview
ThayerMahan company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2016
- Headquarters
- United States
- Employees
- 127
- Open positions
- 5
- Dealroom signal
- 28.9
Valuation & funding
ThayerMahan funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES COther financing | Jan 2024 | $20M | $150M | The Chertoff Group · Yellow Submarine · Hanwha Asset Management · AE Industrial Partners | ↗ |
| SERIES COther financing | Apr 2023 | $30M | $120M | AE Industrial Partners · I Squared Capital · Mercury Capital Advisors · Hegemon Capital | ↗ |
| GRANTOther financing | Mar 2021 | $710K | — | NYSERDA · National Offshore Wind Research & Development Consortium | ↗ |
| EARLY VCOther financing | May 2020 | $10M | $40M | AE Industrial Partners | — |
| SEEDOther financing | Feb 2016 | $1M | $4M | Undisclosed | — |
Financials
Revenue and workforce over time
Available revenue and workforce history. Fields without reported data are omitted.
| Year | Revenue | Growth | Employees |
|---|---|---|---|
| 2026 | $16M | 0% | 127 |
| 2025 | $16M | 0% | 150 |
| 2024 | $16M | 0% | 137 |
| 2023 | $16M | +212% | 100 |
| 2022 | $5M | +13.6% | 58 |
| 2021 | $4.4M | +29.4% | 46 |
| 2020 | $3.4M | — | 29 |
Growth signals
ThayerMahan website traffic
Latest recorded traffic for ThayerMahan is 5.3K monthly website visits, down 32.9% over the last three months. ThayerMahan's team declined 15.3% over the past year.
Hiring
Open positions at ThayerMahan
Current openings linked to this company in Dealroom.
Comparisons
ThayerMahan compared with similar companies
Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.
| Company | Headquarters | Status | Employees | Total funding | Valuation |
|---|---|---|---|---|---|
VaarstAI-driven subsea robotics and 3D data solutions |
Bristol, United Kingdom | Acquired | 1 | $20M | $80M |
Delair MarineAutonomous underwater solutions for professional and drone for diving and yachting activities |
Marseille, France | Operational | |||
Tethys RoboticsAutonomous underwater drones for rapid and effective search and rescue missions |
Zurich, Switzerland | Operational | |||
HydromeaSensing systems for the Subsea Environment |
Renens, Switzerland | Operational | |||
Skarv TechnologiesVertically integrated autonomous underwater sensing solutions |
Trondheim, Norway | Operational | |||
HonuWorxAutonomous subsea motherships deploying robotic systems offshore |
Aberdeen, United Kingdom | Operational | |||
SaildroneUnmanned surface vehicles for maritime data and surveillance. |
United States | Operational | |||
BeamRobotic ships and underwater robots to service offshore wind farms |
Bristol, United Kingdom | Operational |
Talent graph
ThayerMahan's talent
Source: Dealroom Talent Intelligence.
Investors
11 investors on ThayerMahan's cap table
Sourced from Dealroom's funding and investor records.










Global footprint
Where ThayerMahan has talent and traffic
team presence
In the news
Latest news about ThayerMahan
Recent press, funding announcements, and product moves mentioning ThayerMahan — open to read from the original sources.
Market sentiment
What the market is saying about ThayerMahan
An AI-synthesized read of the highest-engagement posts about ThayerMahan on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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