50 Best Marine Technology Companies to Watch in 2026

The most prominent marine technology companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 3,843 companies tracked on Fsome.

3,843
Total Companies
$34.4B
Total Funding
$9.0M
Avg Funding
London
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Saronic
Saronic designs and manufactures unmanned surface vehicles for maritime security…
Austin 1K - 5K $845.5M Series C 2025-02-18
2
HavocAI
HavocAI is an artificial intelligence company that offers maritime autonomy solu…
Providence 11 - 50 $97.2M Series A 2025-10-09
3
Seasats
Seasats designs and manufactures small uncrewed surface vehicles (sUSVs) designe…
San Diego 11 - 50 $63.1M Series A 2026-02-17
4
CSIRO
Commonwealth Scientific and Industrial Research Organization is a federal govern…
Campbell 5K - 10K $55.9M Grant 2019-05-01
5
JSW Infrastructure
JSW Infrastructure operates environment-friendly seaports & terminals.
Mumbai 501 - 1K $693.0M Post Ipo Secondary 2025-05-17
6
Concirrus
Concirrus support digital transformation of the specialty insurance industry usi…
London 51 - 100 $40.2M Corporate Round 2023-03-20
7
Caracol
Caracol develops robotic large format additive manufacturing systems and provide…
Barlassina 101 - 250 $55.8M Series B 2025-10-14
8
VideoRay
VideoRay is the largest volume producer of Underwater ROVs (Remotely Operated Ve…
Pottstown 1K - 5K $4.0M Grant 2023-04-20
9
Kraken Technology Group
Kraken Technology specializes in innovative maritime technology, focused on high…
London 101 - 250 $49.0M Grant 2025-11-21
10
ACUA Ocean
We design, develop and deploy hydrogen- powered uncrewed surface vessels (H-USVs…
Plymouth 11 - 50 $7.6M Pre Seed 2024-11-15
11
Bedrock Ocean Exploration
Bedrock Ocean Exploration is a platform for underwater vehicles.
Brooklyn 11 - 50 $58.5M Series A 2025-06-10
12
Fincantieri
Fincantieri is a shipbuilding complex involved in the construction of cruise shi…
Trieste c 10001 max $845.5M Post Ipo Debt 2023-09-26
13
Impossible Metals
Impossible Metals is building underwater robotics vehicles which mine battery me…
Pasadena 11 - 50 $12.1M Seed 2022-06-21
14
Sedna
Sedna is a data-driven communication platform that pushes profitability.
London 101 - 250 $96.0M Debt Financing 2025-04-03
15
Coral Vita
Coral Vita grows corals in land-based farms, which provides crucial advantages f…
San Diego 11 - 50 $10.0M Series A 2025-06-06
16
Abu Dhabi National Oil Company
ADNOC is active in onshore and offshore oil and gas exploration through providin…
Abu Dhabi c 10001 max $22.0B Post Ipo Equity 2025-10-01
17
Unseenlabs
Unseenlabs offers maritime surveillance via space-based RF detection, tracking s…
Rennes 11 - 50 $125.1M Series C 2024-02-26
18
Andrenam
Andrenam builds an AI-powered, distributed maritime sensing network for persiste…
Hawthorne 1 - 10 $10.0M Seed 2025-06-16
19
Ceto
Ceto analyses high frequency sensor data from ships to prevent machinery breakdo…
Newcastle 1 - 10 $6.6M Seed 2025-04-30
20
Neptune Robotics
Neptune Robotics provides robotic hull cleaning, robotic hull inspection, and bi…
Shenzhen 101 - 250 $69.2M Series B 2025-09-29
21
OCEANIX
OCEANIX is a blue tech company that designs and builds floating cities for peopl…
New York 11 - 50 $2.1M Series Unknown 2022-01-01
22
Terradepth
Terradepth is a data-as-a-service company whose vision is to create a holistic m…
Austin 11 - 50 $38.1M Series A 2023-08-02
23
TideWise
TideWise is to dramatically reduce the risks and costs of maritime operations us…
Rio De Janeiro 11 - 50 $3.4M Series A 2023-10-19
24
Voltai
Voltai harvests energy from motion to help marine industries reduce reliance on …
Dartmouth 1 - 10 $1.4M Grant 2026-04-15
25
Artemis Technologies
Artemis Technologies provides engineering services to high-performance and comme…
Lisburn 101 - 250 $7.9M Grant 2023-02-15
26
Albacore
Albacore is a developer of long-range autonomous underwater vehicles designed to…
Philadelphia 11 - 50 $6.5M Series Unknown 2025-09-09
27
Saildrone
Saildrone is a maritime company that enables navies, governments, and organizati…
Alameda 251 - 500 $299.5M Corporate Round 2025-10-29
28
Buffalo Automation
Buffalo Automation provides autopilot systems that increase maritime safety and …
Buffalo 1 - 10 $2.6M Convertible Note 2020-10-15
29
Kraken Robotics
Kraken Robotics is a marine technology company engaged in the design and marketi…
St. John's 101 - 250 $497.9M Post Ipo Equity 2026-03-03
30
ThayerMahan
ThayerMahan is a provider of marine robotic solutions for the government and ind…
Groton 51 - 100 $62.3M Series C 2024-01-09
31
STAX Engineering, Inc.
Products and services that reduce environmental toxins, promote sustainability, …
Long Beach 11 - 50 $110.0M Undisclosed 2025-02-26
32
Blue Ocean Gear
Blue Ocean Gear provides sensored tracking buoys to address the commercial fishi…
San Mateo 11 - 50 $7.1M Series A 2023-05-23
33
Orion Group Holdings
heavy civil and marine construction contractor offering quality turnkey marine c…
Houston 1K - 5K $140.0M Post Ipo Debt 2025-12-29
34
Sulmara
Sulmara is a subsea technology company that specializes in innovative survey and…
Glasgow 101 - 250 $19.0M Series Unknown 2024-11-28
35
Surfline
Surfline provides surf reporting, forecasts, and editorial content for consumers…
Huntington Beach 101 - 250 $30.0M Series Unknown 2020-12-01
36
Kaiko Systems
Kaiko Systems is an operational intelligence company that uses AI to turn frontl…
Berlin 11 - 50 $8.5M Series A 2025-03-19
37
Sharrow Marine
Sharrow Marine is a nautical and aeronautical design firm.
Detroit 11 - 50 $31.1M Series Unknown 2024-01-10
38
Ocean Aero
Ocean Aero is an autonomous underwater and surface vehicle (AUSV) driven by wind…
San Diego 11 - 50 $15.2M Series D 2022-09-30
39
Braid Theory
Braid Theory is a vertically integrated venture advisory we weave together entre…
San Pedro 11 - 50 $13.9M Grant 2024-12-13
40
Coratia Technologies
Coratia Technologies offer robotic solutions to the field of AUV and ROV for und…
Rourkela 11 - 50 $2.6M Seed 2025-11-12
41
Crewless Marine
Crewless Marine offers autonomous solutions for unmanned maritime applications.
Warren 1 - 10 $25K Non Equity Assistance 2024-09-10
42
The Wanderlust Group
We build marketplaces and technology platforms that connect adventurers to desti…
Newport 11 - 50 $52.8M Series C 2022-01-19
43
Syroco
Syroco is an innovation laboratory whose mission is to improve the efficiency of…
Marseille 11 - 50 $12.7M Series A 2024-12-09
44
Kraken Robotic Systems
Kraken Robotics Inc. is a marine technology company.
St. John's 101 - 250 $1.0M Grant 2019-04-17
45
MarineLabs Data Systems Inc.
MarineLabs provides subscription access to real-time coastal intelligence.
Victoria 11 - 50 $7.6M Grant 2026-04-07
46
Photon Marine
Photon Marine is building the world’s most powerful and intelligent electric out…
Portland 11 - 50 $2.0M Grant 2024-09-17
47
C-Power
C-Power develops ocean wave energy harvesting devices that produce renewable ene…
Charlottesville 11 - 50 $40.7M Grant 2022-01-25
48
Jaia Robotics
Jaia Robotics is a provider and developer of microsized autonomous and subsurfac…
Newport 11 - 50 $4.0M Seed 2024-12-12
49
Forever Oceans
Forever Oceans is a food company that provides nutritious and delicious recipes …
Bethesda 11 - 50 $135.2M Series Unknown 2021-06-24
50
OpenTug
OpenTug is a marine and terminal booking platform that connects shipping custome…
Seattle 11 - 50 $5.3M Series Unknown 2025-03-31