Company lists · Data refreshed September 2026

Top 25 Maritime navigation software companies based in the United Kingdom

Name: Maritime navigation software companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 115 companies tracked

RevenueBase identified 115 maritime navigation software companies headquartered in the United Kingdom as of September 2026 and tracks 3,030 professional contacts across them, including 917 with verified work emails and 179 with mobile numbers. London is the largest hub.

This list covers maritime navigation software companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

115Companies

3,030Contacts tracked

917Verified emails

179Mobile numbers

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The 25 largest maritime navigation software companies based in the United Kingdom

Ranked by team size

Top 25 of 115 maritime navigation software companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 5, 2026. RevenueBase Smart Search rates how each company's information relates to maritime navigation software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SDSD	Strong evidence	London, United KingdomHQ checked Sep 5, 2026	n/a	681 contacts →
	Strong evidence “SDSD - Supporting Maritime Professionals since 1983 Software innovation to the Maritime industry for more than 30 years.” Source: RevenueBase Database · checked Sep 5, 2026
2	Raymarine	Indirect evidence	Fareham, United KingdomHQ checked Sep 5, 2026	201-500	448 contacts →
	Indirect evidence “Teledyne Raymarine, a world leader in marine electronics, develops and manufactures the most comprehensive range of electronic equipment for the recreational boating and light…” Source: RevenueBase Database · checked Sep 5, 2026
3	Sperry Marine	Strong evidence	New Malden, United KingdomHQ checked Sep 5, 2026	201-500	279 contacts →
	Strong evidence “Sperry Marine provides the commercial and defence maritime industry with Navigation Solutions that excel in efficiency, reliability and safety.” Source: RevenueBase Database · checked Sep 5, 2026
4	Ninety Percent Of Everything 90poe	Partial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	161 contacts →
	Partial evidence “Creating clarity, control and confidence for modern maritime operations with OpenOcean STUDIO.” Source: RevenueBase Database · checked Sep 5, 2026
5	SEA	Strong evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	146 contacts →
	Strong evidence “As the leading independent provider of commercial software for global maritime trade, we’re unleashing the power of data to help drive sustainable shipping.” Source: RevenueBase Database · checked Sep 5, 2026
6	Orca AI	Partial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	132 contacts →
	Partial evidence “Founded in 2018 by a team of Navy veterans, Orca AI, a maritime tech startup, empowers shipping companies to enhance their operational safety, efficiency, and sustainability…” Source: RevenueBase Database · checked Sep 5, 2026
7	SRT Marine Systems PLC	Strong evidence	Midsomer Norton, United KingdomHQ checked Sep 5, 2026	51-200	129 contacts →
	Strong evidence “SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Source: RevenueBase Database · checked Sep 5, 2026
8	Spectec	Strong evidence	Manchester, United KingdomHQ checked Sep 5, 2026	51-200	113 contacts →
	Strong evidence “SpecTec is a market-leading maritime technology company specialising in asset management software.” Source: RevenueBase Database · checked Sep 5, 2026
9	Seebyte	Strong evidence	Edinburgh, United KingdomHQ checked Sep 5, 2026	51-200	81 contacts →
	Strong evidence “SeeByte provides clients in the global maritime industry with the most advanced software solutions to enhance the capabilities of their uncrewed systems.” Source: RevenueBase Database · checked Sep 5, 2026
10	Ulysses Systems	Partial evidence	London, United KingdomHQ checked Sep 5, 2026	51-200	78 contacts →
	Partial evidence “Ulysses Systems is a leading marine industry provider of enterprise software.” Source: RevenueBase Database · checked Sep 5, 2026
11	Veripos	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 5, 2026	51-200	73 contacts →
	Indirect evidence “Veripos, part of Hexagon, is a global technology leader, pioneering end-to-end assured positioning solutions for the offshore marine oil and gas industry.” Source: RevenueBase Database · checked Sep 5, 2026
12	Coda Octopus Products	Indirect evidence	Edinburgh, United KingdomHQ checked Sep 5, 2026	51-200	41 contacts →
	Indirect evidence “Coda Octopus is a global leader and specialist in underwater technologies including being the patent holder for the real-time 3D sonar, the Echoscope®.” Source: RevenueBase Database · checked Sep 5, 2026
13	Triton Software LTD	Partial evidence	Aberdeenshire, United KingdomHQ checked Sep 5, 2026	51-200	28 contacts →
	Partial evidence “For over 25 years, Triton Software (Formerly Pisys Marine) is one of a leading company in marine domain providing the software, services and data solutions to its customers in the…” Source: RevenueBase Database · checked Sep 5, 2026
14	AST Reygar	Indirect evidence	Stoke Gifford, United KingdomHQ checked Sep 5, 2026	1-10	27 contacts →
	Indirect evidence “AST Reygar provides robust and reliable performance monitoring and control solutions for both crewed and uncrewed vessels, of all sizes and functions, in the complex marine…” Source: RevenueBase Database · checked Sep 5, 2026
15	Clearwater Dynamics	Indirect evidence	Poole, United KingdomHQ checked Sep 5, 2026	11-50	24 contacts →
	Indirect evidence “Clearwater Dynamics delivers industry‑leading technology solutions specialising in IoT connectivity, vessel tracking, and risk‑mitigation.” Source: RevenueBase Database · checked Sep 5, 2026
16	Sirm UK Marine LTD	Indirect evidence	Chelmsford, United KingdomHQ checked Sep 5, 2026	51-200	22 contacts →
	Indirect evidence “SIRM UK is the only organisation anywhere in the world that has been continuously involved in the supply and support of ships’ radio installations since the very inception of…” Source: RevenueBase Database · checked Sep 5, 2026
17	Chersoft LTD	Indirect evidence	Sheffield, United KingdomHQ checked Sep 5, 2026	11-50	22 contacts →
	Indirect evidence “CHERSOFT design high quality marine data management solutions.” Source: RevenueBase Database · checked Sep 5, 2026
18	Actisense	Partial evidence	Poole, United KingdomHQ checked Sep 5, 2026	11-50	21 contacts →
	Partial evidence “Actisense aim to be the installers product of choice by making navigation safer with the most reliable boat electronic systems.” Source: RevenueBase Database · checked Sep 5, 2026
19	Marino Tech Services	Strong evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	19 contacts →
	Strong evidence “Marino Tech Services have been an active provider in the maritime software space over the past 25 years with the rich legacy of delivering innovative ship management solutions.” Source: RevenueBase Database · checked Sep 5, 2026
20	Poseidon Navigation Services LTD	Indirect evidence	Portgordon, United KingdomHQ checked Sep 5, 2026	11-50	16 contacts →
	Indirect evidence “As the shipping industry becomes increasingly more complex and regulated, we know that the ship operators need to choose business partners that they can rely upon.” Source: RevenueBase Database · checked Sep 5, 2026
21	THEYR	Indirect evidence	London, United KingdomHQ checked Sep 5, 2026	11-50	15 contacts →
	Indirect evidence “Theyr ltd is a London-based technology company specialising in A.I.” Source: RevenueBase Database · checked Sep 5, 2026
22	Furuno UK Limited	Indirect evidence	Hampshire, United KingdomHQ checked Sep 5, 2026	11-50	14 contacts →
	Indirect evidence “FURUNO (UK) LIMITED is a business supplies and equipment company based out of WEST BUILDING, PENNER ROAD HAVANT, HAMPSHIRE, United Kingdom.” Source: RevenueBase Database · checked Sep 5, 2026
23	Marico Marine Group	Partial evidence	Southampton, United KingdomHQ checked Sep 5, 2026	11-50	14 contacts →
	Partial evidence “Marico Marine is an independent maritime consultancy based in the UK and New Zealand with ocean safety, security and environmental protection at the very heart of what we do.” Source: RevenueBase Database · checked Sep 5, 2026
24	Tymor Marine	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 5, 2026	11-50	13 contacts →
	Indirect evidence “Tymor Marine is a naval architecture and marine engineering consultancy headquartered in Aberdeen, with offices in Glasgow and Lafayette.” Source: RevenueBase Database · checked Sep 5, 2026
25	John Lilley & Gillie LTD	Indirect evidence	North Shields, United KingdomHQ checked Sep 5, 2026	51-200	13 contacts →
	Indirect evidence “In 1812, John Lilley, aged 24, founded John Lilley and Son in London.” Source: RevenueBase Database · checked Sep 5, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: maritime navigation software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names maritime navigation software companies.
Partial evidence: Its own public description names part of maritime navigation software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name maritime navigation software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 115 maritime navigation software companies based in the United Kingdom

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Maritime navigation software companies based in the United Kingdom at a glance

As of Sep 5, 2026

30.3%Verified-email coverage

5.9%Mobile-number coverage

26.3Average contacts per company

11-50Median size (employees)

16.5%Largest-city concentration · London

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

8690–30

3831–60

061–90

090–180

10180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among maritime navigation software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “maritime navigation software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names maritime navigation software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among maritime navigation software companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 917 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names maritime navigation software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many maritime navigation software companies are there based in the United Kingdom?

RevenueBase identified 115 maritime navigation software companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

SDSD, headquartered in London, tops this list with the largest team on record.

Which city has the most maritime navigation software companies?

London leads with 19 headquartered companies, followed by Bristol (5) and Liverpool (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 917 verified decision-maker contacts tracked across these 115 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.