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UD

UK Docks Marine Services North Limited

Repair & maintenance · South Shields
Large

UK Docks Marine Services is a family-owned business specializing in ship repair, vessel maintenance, and engineering services for the marine, offshore, and defense sectors. They operate multiple facilities across the UK, providing a range of services including vessel upgrades, conversions, and technical support.

ukdocks.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£86.8m
Live
4
Buyers
4
12m
£85.4m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts4 / 9
  • Top buyers4
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — UK Docks Marine Services North LimitedUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

UK Docks Marine Services North Limited has won £86.8m across 4 public-sector buyers, with 4 live contracts. No active Companies House risk flags.

Why: top buyer Ministry of Defence, DIO, at 99% · 100% in Repair & maintenance · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
4 of 9Live contracts
99%Top-buyer concentration
100%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

◐ From website & notices
Sectors served · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 3
Ship Repair and RefitMajor conversion work, vessel upgrades, and ship life extension programmes. ↗Defence ServicesComprehensive through-life support for ships and equipment including maintenance and repairs. ↗Commercial & Leisure Boat RepairVessel maintenance and repair services for commercial and leisure boats. ↗
Frameworks & DPS · 1 from notices
  • PLANNED MAINTENANCE AND SAFETY EQUIPMENT RECERTIFICATION TO CPV'S EAGLE & NIMRODHome Office · —

Extracted automatically from ukdocks.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

No case studies yet

Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships · 2

Credentials listed on the supplier’s website. Not yet checked against issuer registers.

◐ From supplier website
Core credentials · 2/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityISO✓
ISO 14001 — EnvironmentalISO✓
ISO 45001 — Health & safetyNot evidenced✓

Extracted automatically from ukdocks.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 4 live · 5 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
712796450-Boats In-Service Support 26 LOT 6-CF-Transparency
Ministry of Defence, DIO,5024400001 Apr 2026£18.3m7 yrsLive
712783450-Boats In-Service Support 26 LOT 3-MDP-CF-Transparency
Ministry of Defence, DIO,5024400001 Apr 2026£39.0m7 yrsLive
712782450-Boats In-Service Support 26 LOT 2 - RN/RFA-CF-Transparency
Ministry of Defence, DIO,5024400001 Apr 2026£28.1m7 yrsLive
703821450 - BOATS/0009 Improvement Contract for Training Vessel (TV) Tristram
Ministry of Defence, DIO,5024110029 Dec 2022£777k12 moClosed
GB-London: T0345 - DD&R of THV Patricia 2020
TRINITY HOUSE4524820005 Mar 2020£516k1 moClosed
PLANNED MAINTENANCE AND SAFETY EQUIPMENT RECERTIFICATION TO CPV'S EAGLE & NIMROD
Home Office3450000009 Dec 2019—2 moClosed
T0349 - SVS Mechanical and Electrical Framework, and Small Boat Maintenance.
TRINITY HOUSE5020000007 Feb 2019£6k3 yrsClosed
The Dry Docking & Repair of Trinity House Vessel " Alert"
TRINITY HOUSE5024610024 Mar 2016£148k1 moClosed
Provision of Thruster Overhaul Components for the RSS James Cook
National Oceanography Centre————Live
Total live value £85.4m · mean award £9.6m

Top buyers · 4 buyers · top 3 = 100%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
Ministry of Defence, DIO,
4 contracts
99%
since 2022
2
TRINITY HOUSE
3 contracts
1%
since 2016
3
Home Office
1 contract
0%
since 2019
4
National Oceanography Centre
1 contract
0%

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Repair & maintenance50
100%
⚠ Concentration: 100% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London4 contracts
100%
South East1 contract
0%
Region resolved for 1% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs & buyers (last 24m). UK Docks Marine Services North Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
SM
SIEMENS MOBILITY LIMITED
No£368.9m4
SM
Siemens Mobility Costain JV
No£328.2m2
UD
UK Docks Marine Services North Limited
No£85.4m—
HR
Hitachi Rail GTS UK Limited and Telent Technology Services Limited Joint Venture
No£80.5m3
SM
Salterns Marina Ltd
No£56.5m1
DR
Devonport Royal Dockyard Limited
No£55.0m2
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 31 Jul 2025
Confirmation statement
Up to date
Next due 03 Nov 2026
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
01297874
Status
Active
Type
Private limited
Incorporated
09 Feb 1977
Reg. office
. River Drive, South Shields, Tyne And Wear, NE33 1LH
SIC codes
30110
Last accounts
31 Jul 2025
Next accounts due
30 Apr 2027

Directors & PSC

  • ARMSTRONG, John George — director
    Appointed 10 Apr 2025
  • LEE, Stephen Robert — director
    Appointed 01 Jun 2023
  • WILSON, Christopher — director
    Appointed 01 Dec 2009
  • WILSON, Gary — director
    Appointed 01 Dec 2009
  • WILSON, Jonathan — director
    Appointed 01 Dec 2009
  • WILSON, Gary — secretary
    Appointed 18 May 2004
  • Mr Christopher Wilson — person with significant control
    significant influence or control
  • Wilson Group Holdings Limited — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 percent
  • Mr Harold Wilson — person with significant control
    significant influence or control
  • Mr Gary Wilson — person with significant control
    significant influence or control
  • Mr Jonathan Wilson — person with significant control
    significant influence or control

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
UK DOCKS MARINE SERVICES NORTH LIMITED
01297874 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.