

Startup · United States
ThayerMahan
HQ Groton, ConnecticutFounded 2016201-500 employeesUpdated
ThayerMahan is a U.S.-headquartered global maritime solutions provider advancing the future of ocean intelligence.
Federal Obligations by Year (All USAspending, as Reported at the Time)
| Fiscal year | Direct: contracts | Reported by USAspending: contracts | Total |
|---|---|---|---|
| FY2026 (partial) | $400K | $1.2M | $1.6M |
| FY2025 | $500K | −$606K | −$107K |
| FY2024 | $100K | −$24K | $76K |
| FY2023 | $1.6M | $2.6M | $4.2M |
| FY2022 | $10.1M | $1.4M | $11.5M |
| FY2021 | $2.5M | $2.1M | $4.6M |
| FY2020 | $3.0M | — | $3.0M |
| FY2019 | $1.7M | — | $1.7M |
| FY2017 | $14K | — | $14K |
Direct is the company's own reviewed UEIs. Reported by USAspending is subsidiaries as reported by USAspending: recipients that name this company as their parent, not yet reviewed ownership.
Directly matched recipients (up to 12)
UEIs matched to this organization, largest obligations first. Subsidiary recipients are not included in this list; their attributed obligations can appear in the company totals above.
- THAYERMAHAN, INC · X7AWL5WPGHN5 · $19.9M
Each action is credited by the ownership basis shown in its column. Reported-parent rows count for ThayerMahan only for the period a subsidiary reported ThayerMahan as its parent; reviewed links follow their reviewed dates. Net of de-obligations; these are obligations, not ceilings. They come from the whole USAspending baseline (every recipient size, contracts and assistance) and are a separate view from the curated contract totals on this page. FY2026 and later are partial, as on Markets.
Funding5 rounds · $61.5M
- Equity raised
- $61.5M
- Debt, secondaries & grants
- $710K
- Latest
- $20.0MSeries C · Jan 9, 2024
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Jan 9, 2024 | Series C | $20.0M | — | Hanwha Asset Management | — | Reported |
| Feb 14, 2023 | Series C | $30.5M | — | — | — | Reported |
| Mar 29, 2021 | Grant | $710K | — | — | — | Reported |
| May 4, 2020 | Undisclosed | $10.0M | — | — | — | Reported |
| Feb 16, 2016 | Seed | $1.0M | — | — | — | Reported |
- Series CLed by Hanwha Asset Management$20.0MJan 9, 2024
- Series C$30.5MFeb 14, 2023
- Grant$710KMar 29, 2021
- Undisclosed$10.0MMay 4, 2020
- Seed$1.0MFeb 16, 2016
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems5
- OutpostMobile passive-acoustic sensing payload for maritime applications.
- SeaguardSystem marketed for non-kinetic response to uncrewed underwater vehicles.
- SeapicketFixed passive-acoustic monitoring system for deepwater applications.
- ShorepicketFixed passive-acoustic monitoring system for coastal and port applications.
- TransparenseaSoftware for combining acoustic data with maritime contextual information.
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
Capabilities3
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| ISR and targeting | Developer | — | — | classify_sectors run 81, sonnet-pass3, taxonomy 2026-10-18b: Maritime surveillance and sensing company with a military-leadership culture, and search results show a NOAA/Coast Guard maritime security demonstration and marine robotics. | Reported |
| Sensing and signature management | Developer | — | — | classify_sectors run 81, sonnet-pass3, taxonomy 2026-10-18b: Maritime surveillance and sensing company with a military-leadership culture, and search results show a NOAA/Coast Guard maritime security demonstration and marine robotics. | Reported |
| Uncrewed systems | Developer | — | — | classify_sectors run 81, sonnet-pass3, taxonomy 2026-10-18b: Maritime surveillance and sensing company with a military-leadership culture, and search results show a NOAA/Coast Guard maritime security demonstration and marine robotics. | Reported |
- Developerclassify_sectors run 81, sonnet-pass3, taxonomy 2026-10-18b: Maritime surveillance and sensing company with a military-leadership culture, and search results show a NOAA/Coast Guard maritime security demonstration and marine robotics.—Reported
- Developerclassify_sectors run 81, sonnet-pass3, taxonomy 2026-10-18b: Maritime surveillance and sensing company with a military-leadership culture, and search results show a NOAA/Coast Guard maritime security demonstration and marine robotics.—Reported
- Developerclassify_sectors run 81, sonnet-pass3, taxonomy 2026-10-18b: Maritime surveillance and sensing company with a military-leadership culture, and search results show a NOAA/Coast Guard maritime security demonstration and marine robotics.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People5
| Person | Role |
|---|---|
| John Kao | Co-Founder & Executive Chairman |
| Richard Hine | Co-Founder and Vice Chairman |
| Jeffrey Alkhas | Chief Financial Officer |
| Michael Connor | President and CEO |
| Mike Connor | CEO |
Company Metrics
Employee-profile counts reflect LinkedIn profiles associated with the company, not verified headcount. One observation establishes a baseline; it does not establish growth.
Sources6
Profile2
- 1
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "fbe35fcf-fd94-4aee-9905-e6727eefe136", "name": "ThayerMahan"}”
- 2CompanyHome - ThayerMahan
ThayerMahan · Supports Organization · description, Organization · name, Organization · website
“ThayerMahan is a U.S.-headquartered global maritime solutions provider advancing the future of ocean intelligence.”
Systems2
- 3CompanyOpen Water - ThayerMahan
ThayerMahan · Supports System
“TRANSPARENSEA](https://thayermahan.com/systems/transparensea/) Fusion of acoustic data with contextual maritime intelligence”
- 4
ThayerMahan · Supports System
“SEAGUARD](https://thayermahan.com/systems/seaguard/) Critical asset protection - Non-kinetic UUV defeat system”
Funding1
- 5
Octen Business Search · Supports Funding round, Organization · country, Organization · employee range, Organization · founded year, Organization · hq city, Organization · hq region, Organization · linkedin url, Organization metric · employees in linkedin, Role
“funding round: Series C, 2023-02-14, USD 30,549,982, lead: MC2”
People1
- 6
hydro-international.com · Supports Role
“ThayerMahan’s CEO, Mike Connor, stated, “We are thrilled to be working with iXblue in a number of areas.”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.
