Company lists · Data refreshed September 2026
Top 25 Marine systems integration companies based in the United Kingdom
RevenueBase identified 389 company matches for marine systems integration companies associated with the United Kingdom as of September 2026 and tracks 7,877 professional contacts across them, including 2,034 with verified work emails and 549 with mobile numbers. London is the largest hub.
This list covers company matches for marine systems integration 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 5, 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.
The 25 largest marine systems integration companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 840 contacts → | ||||
Exact match “Ultra Electronics” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 2 | 392 contacts → | ||||
Exact match “For over 60 years, SEA has delivered research, development, manufacturing, training, and support of complex maritime systems to the Royal Navy, international partners, and…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 3 | 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 5, 2026 · View company records in RevenueBase | |||||
| 4 | 240 contacts → | ||||
Exact match “A&P, part of the APCL Group, is a global marine engineering business which operates six dry docks across two strategic locations in the UK and delivers engineering excellence to…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 5 | 236 contacts → | ||||
Exact match “Crafting Exceptional Spaces Since 1983 At MJM Marine, our motivation is simple: to create spaces that transcend functionality and provide unparalleled experiences for people to…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 6 | 210 contacts → | ||||
Exact match “A Scottish engineering company founded in 1898, MacTaggart Scott supports the Naval Defence and Marine market.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 7 | 204 contacts → | ||||
Exact match “Shaping the future of maritime.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 8 | 129 contacts → | ||||
Exact match “SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 9 | 103 contacts → | ||||
Exact match “Star International specialises in keeping vessels safe and compliant.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 10 | 91 contacts → | ||||
Exact match “Cathelco safeguards your fleet by managing biofouling, ensuring corrosion protection, and generating freshwater Our offering: Ultrasonic Antifouling - Cathelco's DragGone™…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 11 | 89 contacts → | ||||
Exact match “Southampton Marine Services Ltd was established in 2004 and specialises in ship / work boat building, vessel repair and marine engineering; we trade in four markets - Commercial…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 12 | 87 contacts → | ||||
Exact match “Founded in 1992, Shearwater Marine Services have since grown to become a highly respected topside and sub-surface marine engineering service provider.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 13 | 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 5, 2026 · View company records in RevenueBase | |||||
| 14 | 76 contacts → | ||||
Exact match “CMS2 has over 60-years’ experience of designing, developing, manufacturing and supporting atmosphere management and life support systems for submarines and other critical…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 15 | 76 contacts → | ||||
Exact match “High-performance dual-use composite littoral platforms for defence and commercial application in the maritime industry.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 16 | 66 contacts → | ||||
Exact match “Marine Interior Outfitting - Cruise, Ferry & Defence.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 17 | 63 contacts → | ||||
Exact match “Atlantic Pacific Marine is your dedicated marine service specialist.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 18 | 54 contacts → | ||||
Exact match “McGeoch Technology specialises in the design and manufacture of high-quality electrical control and instrumentation systems and specialist lighting for both land and sea…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 19 | 49 contacts → | ||||
Exact match “Berthon has been trading from our riverside site in Lymington since 1877.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 20 | 46 contacts → | ||||
Exact match “The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 21 | 46 contacts → | ||||
Exact match “A Shetland based marine engineering company with a long history and diverse range of services.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 22 | 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 5, 2026 · View company records in RevenueBase | |||||
| 23 | 41 contacts → | ||||
Exact match “Coda Octopus is a global leader and specialist in underwater technologies including being the patent holder for the real-time 3D sonar, the Echoscope®.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 24 | 41 contacts → | ||||
Exact match “Stone Marine Services was founded in and now operates from three strategic locations in the UK, South Africa and Namibia.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 25 | 40 contacts → | ||||
Exact match “Icon Connect are a world leader in integrated Audio Visual, Security, IT and Control systems.” Recorded in the RevenueBase company graph · Sep 5, 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 “marine systems integration 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 389 marine systems integration companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 2,034 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Marine systems integration companies based in the United Kingdom at a glance
As of Sep 5, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 “marine systems integration 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 2,034 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 5, 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.
Marine systems integration companies by metro
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 “marine systems integration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many marine systems integration companies are there based in the United Kingdom?
RevenueBase identified 389 company matches for marine systems integration 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?
Ultra Electronics Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most marine systems integration companies?
London leads with 39 company records, followed by Southampton (25) and Poole (10).
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 2,034 professional contacts with verified work emails tracked across these 389 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 389 marine systems integration companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Marine systems integration companies by geography
- Marine systems integration companies based in the United States
- Marine systems integration companies based in the Netherlands
- Marine systems integration companies based in Italy
- Marine systems integration companies based in Spain
- Marine systems integration companies based in France
- Marine systems integration companies based in Germany
- Marine systems integration companies based in Norway
- Marine systems integration companies based in Australia
- Marine systems integration companies based in Greece
- Marine systems integration companies based in Canada
- Marine systems integration companies based in Brazil
- Marine systems integration companies based in Poland
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Marine systems integration companies based in the United States
- Marine systems integration companies based in the Netherlands
- Marine systems integration companies based in Italy
- Marine systems integration companies based in Spain
- Marine systems integration companies based in France
- Marine systems integration companies based in Germany
Company intelligence · public preview
Top 25 marine systems integration companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 389 matching company records for marine systems integration companies based in the United Kingdom, with 7,877 tracked contacts and 2,034 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 marine systems integration companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Ultra Electronics Groupultra.groupHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 840 contacts → |
“Ultra Electronics” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Systems Engineering & Assessment LTDsea.co.ukHQ: Beckington, United KingdomReported employees: 201-500 | Beckington, United Kingdom | 201-500 | Exact match | 392 contacts → |
“For over 60 years, SEA has delivered research, development, manufacturing, training, and support of complex maritime systems to the Royal Navy, international partners, and…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sperry Marinesperrymarine.comHQ: New Malden, United KingdomReported employees: 201-500 | New Malden, United Kingdom | 201-500 | Exact match | 279 contacts → |
“Sperry Marine provides the commercial and defence maritime industry with Navigation Solutions that excel in efficiency, reliability and safety.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Apcl A&p Group Limitedap-group.co.ukHQ: Hebburn, United KingdomReported employees: 501-1,000 | Hebburn, United Kingdom | 501-1,000 | Exact match | 240 contacts → |
“A&P, part of the APCL Group, is a global marine engineering business which operates six dry docks across two strategic locations in the UK and delivers engineering excellence to…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  MJM Marinemjm-group.comHQ: Newry, United KingdomReported employees: 201-500 | Newry, United Kingdom | 201-500 | Exact match | 236 contacts → |
“Crafting Exceptional Spaces Since 1983 At MJM Marine, our motivation is simple: to create spaces that transcend functionality and provide unparalleled experiences for people to…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mactaggart Scottmactag.comHQ: Loanhead, United KingdomReported employees: 201-500 | Loanhead, United Kingdom | 201-500 | Exact match | 210 contacts → |
“A Scottish engineering company founded in 1898, MacTaggart Scott supports the Naval Defence and Marine market.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  James Fisher Fendercarejames-fisher.comHQ: Norwich, United KingdomReported employees: 1,001-5,000 | Norwich, United Kingdom | 1,001-5,000 | Exact match | 204 contacts → |
“Shaping the future of maritime.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  SRT Marine Systems PLCsrt-marine.comHQ: Midsomer Norton, United KingdomReported employees: 51-200 | Midsomer Norton, United Kingdom | 51-200 | Exact match | 129 contacts → |
“SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Star Internationalstar-international.co.ukHQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 103 contacts → |
“Star International specialises in keeping vessels safe and compliant.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cathelcoevac.comHQ: Chesterfield, United KingdomReported employees: 51-200 | Chesterfield, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Cathelco safeguards your fleet by managing biofouling, ensuring corrosion protection, and generating freshwater Our offering: Ultrasonic Antifouling - Cathelco's DragGone™…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 89 contacts → |
“Southampton Marine Services Ltd was established in 2004 and specialises in ship / work boat building, vessel repair and marine engineering; we trade in four markets - Commercial…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Shearwater Marine Servicesshearwatermarine.co.ukHQ: Sandbank, United KingdomReported employees: 51-200 | Sandbank, United Kingdom | 51-200 | Exact match | 87 contacts → |
“Founded in 1992, Shearwater Marine Services have since grown to become a highly respected topside and sub-surface marine engineering service provider.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Seebyteseebyte.comHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 81 contacts → |
“SeeByte provides clients in the global maritime industry with the most advanced software solutions to enhance the capabilities of their uncrewed systems.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cms2cms2.comHQ: Portsmouth, United KingdomReported employees: 201-500 | Portsmouth, United Kingdom | 201-500 | Exact match | 76 contacts → |
“CMS2 has over 60-years’ experience of designing, developing, manufacturing and supporting atmosphere management and life support systems for submarines and other critical…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Kraken Technology Groupkrakentechnology.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 76 contacts → |
“High-performance dual-use composite littoral platforms for defence and commercial application in the maritime industry.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Trimline LTD Award-Winning Marine Interior Outfittertrimline.co.ukHQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 66 contacts → |
“Marine Interior Outfitting - Cruise, Ferry & Defence.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Atlantic Pacific Marine LTDatlanticpacific.coHQ: Cardiff, United KingdomReported employees: 11-50 | Cardiff, United Kingdom | 11-50 | Exact match | 63 contacts → |
“Atlantic Pacific Marine is your dedicated marine service specialist.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Mcgeoch Technology Limitedmcgeoch.co.ukHQ: Birmingham, United KingdomReported employees: 51-200 | Birmingham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“McGeoch Technology specialises in the design and manufacture of high-quality electrical control and instrumentation systems and specialist lighting for both land and sea…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Berthonberthon.co.ukHQ: Lymington, United KingdomReported employees: 51-200 | Lymington, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Berthon has been trading from our riverside site in Lymington since 1877.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  The Seaking Groupseakinggroup.co.ukHQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 46 contacts → |
“The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Malakoff Limitedmalakofflimited.co.ukHQ: North Ness, United KingdomReported employees: 51-200 | North Ness, United Kingdom | 51-200 | Exact match | 46 contacts → |
“A Shetland based marine engineering company with a long history and diverse range of services.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  GME Services Global Maritime Engineering Servicesgmeservices.orgHQ: Bridgend, United KingdomReported employees: 501-1,000 | Bridgend, United Kingdom | 501-1,000 | Exact match | 42 contacts → |
“GME Services Limited provides complete engineering management & support for the maritime industry; working Globally, 24 hours a day, 365 days a year.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Coda Octopus Productscodaoctopus.comHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 41 contacts → |
“Coda Octopus is a global leader and specialist in underwater technologies including being the patent holder for the real-time 3D sonar, the Echoscope®.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Stone Marine Servicesstonemarineservices.comHQ: Inverkeithing, United KingdomReported employees: 11-50 | Inverkeithing, United Kingdom | 11-50 | Exact match | 41 contacts → |
“Stone Marine Services was founded in and now operates from three strategic locations in the UK, South Africa and Namibia.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Icon Connecticonconnect.comHQ: Letchworth, United KingdomReported employees: 51-200 | Letchworth, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Icon Connect are a world leader in integrated Audio Visual, Security, IT and Control systems.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 389 company matches
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Marine systems integration companies: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
384 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Marine systems integration companies by metro
Questions about this company list
What does Exact match mean for marine systems integration companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many marine systems integration companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 389 matching company records, 7,877 tracked contacts and 2,034 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Marine systems integration companies by geography
- Marine systems integration companies based in the United States
- Marine systems integration companies based in the Netherlands
- Marine systems integration companies based in Italy
- Marine systems integration companies based in Spain
- Marine systems integration companies based in France
- Marine systems integration companies based in Germany
- Marine systems integration companies based in Norway
- Marine systems integration companies based in Australia
- Marine systems integration companies based in Greece
- Marine systems integration companies based in Canada
- Marine systems integration companies based in Brazil
- Marine systems integration companies based in Poland
Cite this list
RevenueBase Data Team. Top 25 marine systems integration companies based in the United Kingdom. Snapshot: September 5, 2026. https://revenuebase.ai/companies/marine-systems-integration-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Marine systems integration companies based in the United States
- Marine systems integration companies based in the Netherlands
- Marine systems integration companies based in Italy
- Marine systems integration companies based in Spain
- Marine systems integration companies based in France
- Marine systems integration companies based in Germany
Company intelligence · public preview
Top 25 marine systems integration companies based in the United Kingdom
RevenueBase records 389 matching company records for marine systems integration companies based in the United Kingdom, with 7,877 tracked contacts and 2,034 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 marine systems integration companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Ultra Electronics Groupultra.group HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 840 contacts → |
“Ultra Electronics” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Systems Engineering & Assessment LTDsea.co.uk HQ: Beckington, United KingdomReported employees: 201-500 | Beckington, United Kingdom | 201-500 | Exact match | 392 contacts → |
“For over 60 years, SEA has delivered research, development, manufacturing, training, and support of complex maritime systems to the Royal Navy, international partners, and…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sperry Marinesperrymarine.com HQ: New Malden, United KingdomReported employees: 201-500 | New Malden, United Kingdom | 201-500 | Exact match | 279 contacts → |
“Sperry Marine provides the commercial and defence maritime industry with Navigation Solutions that excel in efficiency, reliability and safety.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Apcl A&p Group Limitedap-group.co.uk HQ: Hebburn, United KingdomReported employees: 501-1,000 | Hebburn, United Kingdom | 501-1,000 | Exact match | 240 contacts → |
“A&P, part of the APCL Group, is a global marine engineering business which operates six dry docks across two strategic locations in the UK and delivers engineering excellence to…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | MJM Marinemjm-group.com HQ: Newry, United KingdomReported employees: 201-500 | Newry, United Kingdom | 201-500 | Exact match | 236 contacts → |
“Crafting Exceptional Spaces Since 1983 At MJM Marine, our motivation is simple: to create spaces that transcend functionality and provide unparalleled experiences for people to…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mactaggart Scottmactag.com HQ: Loanhead, United KingdomReported employees: 201-500 | Loanhead, United Kingdom | 201-500 | Exact match | 210 contacts → |
“A Scottish engineering company founded in 1898, MacTaggart Scott supports the Naval Defence and Marine market.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | James Fisher Fendercarejames-fisher.com HQ: Norwich, United KingdomReported employees: 1,001-5,000 | Norwich, United Kingdom | 1,001-5,000 | Exact match | 204 contacts → |
“Shaping the future of maritime.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SRT Marine Systems PLCsrt-marine.com HQ: Midsomer Norton, United KingdomReported employees: 51-200 | Midsomer Norton, United Kingdom | 51-200 | Exact match | 129 contacts → |
“SRT Marine Systems PLC is a global leader and innovator in maritime surveillance, intelligence, navigation safety and situational awareness.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Star Internationalstar-international.co.uk HQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 103 contacts → |
“Star International specialises in keeping vessels safe and compliant.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cathelcoevac.com HQ: Chesterfield, United KingdomReported employees: 51-200 | Chesterfield, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Cathelco safeguards your fleet by managing biofouling, ensuring corrosion protection, and generating freshwater Our offering: Ultrasonic Antifouling - Cathelco's DragGone™…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 89 contacts → |
“Southampton Marine Services Ltd was established in 2004 and specialises in ship / work boat building, vessel repair and marine engineering; we trade in four markets - Commercial…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Shearwater Marine Servicesshearwatermarine.co.uk HQ: Sandbank, United KingdomReported employees: 51-200 | Sandbank, United Kingdom | 51-200 | Exact match | 87 contacts → |
“Founded in 1992, Shearwater Marine Services have since grown to become a highly respected topside and sub-surface marine engineering service provider.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Seebyteseebyte.com HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 81 contacts → |
“SeeByte provides clients in the global maritime industry with the most advanced software solutions to enhance the capabilities of their uncrewed systems.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cms2cms2.com HQ: Portsmouth, United KingdomReported employees: 201-500 | Portsmouth, United Kingdom | 201-500 | Exact match | 76 contacts → |
“CMS2 has over 60-years’ experience of designing, developing, manufacturing and supporting atmosphere management and life support systems for submarines and other critical…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kraken Technology Groupkrakentechnology.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 76 contacts → |
“High-performance dual-use composite littoral platforms for defence and commercial application in the maritime industry.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trimline LTD Award-Winning Marine Interior Outfittertrimline.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 66 contacts → |
“Marine Interior Outfitting - Cruise, Ferry & Defence.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Atlantic Pacific Marine LTDatlanticpacific.co HQ: Cardiff, United KingdomReported employees: 11-50 | Cardiff, United Kingdom | 11-50 | Exact match | 63 contacts → |
“Atlantic Pacific Marine is your dedicated marine service specialist.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mcgeoch Technology Limitedmcgeoch.co.uk HQ: Birmingham, United KingdomReported employees: 51-200 | Birmingham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“McGeoch Technology specialises in the design and manufacture of high-quality electrical control and instrumentation systems and specialist lighting for both land and sea…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Berthonberthon.co.uk HQ: Lymington, United KingdomReported employees: 51-200 | Lymington, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Berthon has been trading from our riverside site in Lymington since 1877.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Seaking Groupseakinggroup.co.uk HQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 46 contacts → |
“The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Malakoff Limitedmalakofflimited.co.uk HQ: North Ness, United KingdomReported employees: 51-200 | North Ness, United Kingdom | 51-200 | Exact match | 46 contacts → |
“A Shetland based marine engineering company with a long history and diverse range of services.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | GME Services Global Maritime Engineering Servicesgmeservices.org HQ: Bridgend, United KingdomReported employees: 501-1,000 | Bridgend, United Kingdom | 501-1,000 | Exact match | 42 contacts → |
“GME Services Limited provides complete engineering management & support for the maritime industry; working Globally, 24 hours a day, 365 days a year.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Coda Octopus Productscodaoctopus.com HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 41 contacts → |
“Coda Octopus is a global leader and specialist in underwater technologies including being the patent holder for the real-time 3D sonar, the Echoscope®.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Stone Marine Servicesstonemarineservices.com HQ: Inverkeithing, United KingdomReported employees: 11-50 | Inverkeithing, United Kingdom | 11-50 | Exact match | 41 contacts → |
“Stone Marine Services was founded in and now operates from three strategic locations in the UK, South Africa and Namibia.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Icon Connecticonconnect.com HQ: Letchworth, United KingdomReported employees: 51-200 | Letchworth, United Kingdom | 51-200 | Exact match | 40 contacts → |
“Icon Connect are a world leader in integrated Audio Visual, Security, IT and Control systems.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 389 company matches
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Marine systems integration companies: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
384 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Marine systems integration companies by metro
Questions about this company list
What does Exact match mean for marine systems integration companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many marine systems integration companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 389 matching company records, 7,877 tracked contacts and 2,034 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Marine systems integration companies by geography
- Marine systems integration companies based in the United States
- Marine systems integration companies based in the Netherlands
- Marine systems integration companies based in Italy
- Marine systems integration companies based in Spain
- Marine systems integration companies based in France
- Marine systems integration companies based in Germany
- Marine systems integration companies based in Norway
- Marine systems integration companies based in Australia
- Marine systems integration companies based in Greece
- Marine systems integration companies based in Canada
- Marine systems integration companies based in Brazil
- Marine systems integration companies based in Poland
Cite this list
RevenueBase Data Team. Top 25 marine systems integration companies based in the United Kingdom. Snapshot: September 5, 2026. https://revenuebase.ai/companies/marine-systems-integration-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Marine systems integration companies based in Italy
- Marine systems integration companies based in Spain
- Marine systems integration companies based in France
- Marine systems integration companies based in Germany