Company lists · Data refreshed September 2026

Top 25 Maritime manufacturing software companies based in the United Kingdom

Name: Maritime manufacturing 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 28, 2026 156 companies tracked

RevenueBase identified 156 company matches for maritime manufacturing software companies associated with the United Kingdom as of September 2026 and tracks 3,165 professional contacts across them, including 837 with verified work emails. London is the largest hub.

This list covers company matches for maritime manufacturing software companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

156Companies

3,165Contacts tracked

837Verified emails

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

Ranked by team size

Top 25 of 156 company matches for maritime manufacturing software companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SDSD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	681 contacts →
	Exact match “SDSD - Supporting Maritime Professionals since 1983 Software innovation to the Maritime industry for more than 30 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Oneocean	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	295 contacts →
	Exact match “Welcome to OneOcean: the ocean’s digital ecosystem and trusted partner for maritime businesses worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Sperry Marine	Exact match	New Malden, United KingdomHQ recorded Sep 28, 2026	201-500	279 contacts →
	Exact match “Sperry Marine provides the commercial and defence maritime industry with Navigation Solutions that excel in efficiency, reliability and safety.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Ninety Percent Of Everything 90poe	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	161 contacts →
	Exact match “Creating clarity, control and confidence for modern maritime operations with OpenOcean STUDIO.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	SEA	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	146 contacts →
	Exact match “As the leading independent provider of commercial software for global maritime trade, we’re unleashing the power of data to help drive sustainable shipping.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Spectec	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	51-200	113 contacts →
	Exact match “SpecTec is a market-leading maritime technology company specialising in asset management software.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Seebyte	Exact match	Edinburgh, United KingdomHQ recorded Sep 28, 2026	51-200	81 contacts →
	Exact match “SeeByte provides clients in the global maritime industry with the most advanced software solutions to enhance the capabilities of their uncrewed systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Ulysses Systems	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	78 contacts →
	Exact match “Ulysses Systems is a leading marine industry provider of enterprise software.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Maritime Craft Services Clyde Limited	Exact match	Largs, United KingdomHQ recorded Sep 28, 2026	51-200	59 contacts →
	Exact match “Maritime Craft Services (clyde) Limited is a Maritime company located in Irvine Rd, Largs, United Kingdom.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Berthon	Exact match	Lymington, United KingdomHQ recorded Sep 28, 2026	51-200	49 contacts →
	Exact match “Berthon has been trading from our riverside site in Lymington since 1877.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Trend Marine Products	Exact match	Great Yarmouth, United KingdomHQ recorded Sep 28, 2026	201-500	45 contacts →
	Exact match “For more than 40 years, Trend Marine® has been the industry leader for high-quality marine glazing products for yachts of all sizes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	GME Services Global Maritime Engineering Services	Exact match	Bridgend, United KingdomHQ recorded Sep 28, 2026	501-1,000	42 contacts →
	Exact match “GME Services Limited provides complete engineering management & support for the maritime industry; working Globally, 24 hours a day, 365 days a year.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	MARLO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “Marlo is a maritime ERP platform built exclusively for the shipping industry-helping vessel owners, operators, and commercial managers run their entire business from one system.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	MJR Power & Automation	Exact match	Thornaby, United KingdomHQ recorded Sep 28, 2026	11-50	35 contacts →
	Exact match “MJR Power & Automation offers a comprehensive range of Marine Electrical Engineering Services including: Marine Electrical Consultancy, Marine Electrical & Automation Design…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Global Services	Exact match	Exeter, United KingdomHQ recorded Sep 28, 2026	11-50	29 contacts →
	Exact match “Global Services leads the industry in supporting Commercial and Cruise ships, Superyachts and Marine vessels by offering a complete array of equipment, spare parts and consumables…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Triton Software LTD	Exact match	Aberdeenshire, United KingdomHQ recorded Sep 28, 2026	51-200	28 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Harland & Wolff	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	27 contacts →
	Exact match “Building on around 160 years of marine manufacturing experience, Harland & Wolff offers a unique combination of vast facilities and technical capability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Isherwoods	Exact match	North Shields, United KingdomHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “Fleet Readiness Through Integrated Logistics Support (ILS) With over 60 years of experience,"Isherwoods", a CMN NAVAL subsidiary, is a trusted leader in Integrated Logistics…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Clearwater Dynamics	Exact match	Poole, United KingdomHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “Clearwater Dynamics delivers industry‑leading technology solutions specialising in IoT connectivity, vessel tracking, and risk‑mitigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Sirm UK Marine LTD	Exact match	Chelmsford, United KingdomHQ recorded Sep 28, 2026	51-200	22 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Chersoft LTD	Exact match	Sheffield, United KingdomHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “CHERSOFT design high quality marine data management solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Marino Tech Services	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Seaglaze Marine Windows	Exact match	Norwich, United KingdomHQ recorded Sep 28, 2026	51-200	19 contacts →
	Exact match “Seaglaze was founded in 1970 and occupies a modern, custom-built sq ft factory on the outskirts of Norwich in the heart of the Norfolk Broads.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	CJR Propulsion	Exact match	Southampton, United KingdomHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “As the marine industry has developed and the demand for highly efficient, performance products has continued to grow, CJR has emerged to become one of the UK’s most respected…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Hutton & CO Ships Chandlers LTD	Exact match	Hull, United KingdomHQ recorded Sep 28, 2026	51-200	14 contacts →
	Exact match “Whatever and wherever your ship supply needs are, we can provide the solution.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “maritime manufacturing software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 156 maritime manufacturing software companies based in the United Kingdom

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

As of Sep 28, 2026

26.4%Verified-email coverage

20.3Average contacts per company

1-10Median size (employees)

15.4%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 156 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “maritime manufacturing software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 837 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “maritime manufacturing software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 156 company matches for maritime manufacturing software companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

SDSD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most maritime manufacturing software companies?

London leads with 24 company records, followed by Southampton (6) and Norwich (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 837 professional contacts with verified work emails tracked across these 156 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 SmartSearch, 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.