London’s 29 Fastest Growing Marine Technology Startups

At Best Startup London we track over 100,000 London based startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and organisations we think deserve more appreciation than they are currently getting.

We’ve ranked the top 29 Marine Technology companies in London. The companies, startups and institutions listed in this article are all exceptional companies, well worth a follow. We have included links to their websites, socials and CrunchBase (if you’re interested in their financials).

We selected the organisations listed in this article based on:

• Track record
• Executive leadership
• Market share
• Innovation
• ESG rating

Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Top Marine Technology Companies & Startups (London)

CORE POWER (UK) Ltd

Advanced atomic technologies can be a game changer for heavy transport and industry.

BunkerEx

A new world for Marine Fuel.

Concirrus

Concirrus support digital transformation of the specialty insurance industry using the latest developments in technology.

40South Energy

40South Energy we have the expertise to turn ocean wave energy into useful work.

ShipServ

ShipServ provides an online trading platform that helps marine and offshore buyers find suppliers easily and trade efficiently.

Scubacraft

Scubacraft is a marine technology platform.

Ocean Technologies Group

Ocean Technologies Group, dedicated to empowering seafarers and the maritime professionals that support and rely on them, to excel.

Ninety Percent of Everything

Ninety Percent of Everything provides cloud-based software solutions for the efficiency and reliability of maritime fleet management.

GEMPaCS

Green Electric Marine Propulsion & Crafts

Aqualis ASA

Aqualis ASA offers offshore, marine & renewables consultancy services to the energy, shipping & insurance industries.

International Maritime Organization

IMO is the global standard-setting authority for the safety, security and environmental performance of international shipping.

Waves Group

Waves Group is a marine consultancy that offers consulting services and solutions to the offshore energy and shipping industries.

International Marine Contractors Association

International Marine Contractors Association is a marine contracting industry.

Startup Wharf Ltd

the independent, virtual, global Maritime Startup Ecosystem

Arksen

Arksen is a developer of autonomous systems used to offer innovative explorer vessels.

Simpson Spence Young

Simpson Spence Young is a maritime company that handles chartering requirements for spot and contract of affreightment.

British Marine

British Marine is the trade association for the UK leisure, superyacht and small commercial marine industry.

SeaDock Marine

SeaDock Marine is a services company representing first-class shipyards, equipment manufacturers, marine service & software providers.

RiAlAiR

RiAlAiR develops sustainable technology for vehicle equipment used by the marine industry.

Beckett Rankine

Beckett Rankine plans, designs, and manages projects in the marine environment.

Theyr

Theyr is a navigation software company specializing in high-precision weather & ocean forecast & optimisation solutions.

MantaWatch

MantaWatch promotes awareness, change, and solutions to the threats facing manta ray populations worldwide.

Marlins Training

Marlins Training helps improve maritime safety, effective communication and teamwork through training and assessment to maritime industry.

Thalassa Holdings

Thalassa Holdings is a British Virgin Island (“BVI”) international business company focuses on providing marine geophysical services.

Houlder

Houlder is an employee-owned business providing a high-quality design and engineering capability within the marine environment.

Tods Defence

Tods Defence is a designer and manufacturer of composite structures for the marine defence industry.

ABP Marine Environmental Research

ABP Marine Environmental Research is committed to delighting clients, complying with legislation, and meeting industry standards.

Apeks Marine Equipment

Apeks Marine Equipment designs and manufactures scuba diving regulators and other diving equipment.

Aqua Superpower

Aqua Superpower is a dockside network of rapid chargers for electric boats that has been entirely marinised.