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SM

Seawork Marine Services

Havant
SME
seaworkmarineservices.com ↗
Compare peers
Awarded
£197k
Live
3
Buyers
6
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts3 / 7
  • Top buyers6
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Seawork Marine ServicesUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

Seawork Marine Services has won £197k across 6 public-sector buyers, with 3 live contracts. No active Companies House risk flags.

Why: top buyer CTM Portal for the NDA Shared Services Alliance at 51% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
3 of 7Live contracts
51%Top-buyer concentration
—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.

⚑ Self-reported & from notices

Service tags, sectors served and target geographies appear here once a supplier verifies ownership of this profile.

Frameworks & DPS · 1 from notices
  • FM18123 Pontoon Remedial Works Invitation to QuoteUK SHARED BUSINESS SERVICES LIMITED · £21k

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

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

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 · 3 live · 4 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
MCA Technical Specialist Advisory Services (Lot 1 and 4)
MCA - Maritime and Coastguard Agency7135600028 Oct 2024—5 yrsLive
BCP Highway Structures Underwater Surveys
Bournemouth Christchurch and Poole Council7130000027 Jun 2022£76k1 moClosed
Dungeness A Site - Discharge Lines Maintenance and Inspection
CTM Portal for the NDA Shared Services Alliance9836000031 Aug 2021£100k2 moClosed
FM18123 Pontoon Remedial Works Invitation to Quote
UK SHARED BUSINESS SERVICES LIMITED4524100015 Aug 2018£21k2 moClosed
Sea Wall Repairs
National Oceanography Centre————Live
Sea Wall Repairs
National Oceanography Centre—07 Jul 2025—1 mopending
MCA Technical Specialist Advisory Services - Lot 1 to Lot 6
Maritime and Coastguard Agency71356000———Live
Total live value — · mean award £28k

Top buyers · 6 buyers · top 3 = 100%

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

✓ From notices
1
CTM Portal for the NDA Shared Services Alliance
1 contract
51%
since 2021
2
Bournemouth Christchurch and Poole Council
1 contract
39%
since 2022
3
UK SHARED BUSINESS SERVICES LIMITED
1 contract
11%
since 2018
4
MCA - Maritime and Coastguard Agency
1 contract
0%
since 2024
5
National Oceanography Centre
2 contracts
0%
6
Maritime and Coastguard Agency
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
North West1 contract
51%
South West2 contracts
49%
South East3 contracts
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Seawork Marine Services highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
VO
VolkerFitzptrick Limited
No£40.0m1
DP
DLA PIPER EUROPE LLP
No£17.9m11
AE
AECOM LIMITED
No£14.0m3
9W
9th wave consulting Ltd
No£8.4m1
AS
Ashurst
No£6.0m7
SM
Seawork Marine Services
Yes——
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 30 Jun 2025
Confirmation statement
Up to date
Next due 14 Jan 2027
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.
00721735
Status
Active
Type
Private limited
Incorporated
17 Apr 1962
Reg. office
Unit C5 Penner Road, Endeavour Business Park, Havant, Hampshire, PO9 1QN
SIC codes
71122
Last accounts
30 Jun 2025
Next accounts due
31 Mar 2027

Directors & PSC

  • HILDESLEY, Laurence George — director
    Appointed 01 Mar 2015
  • Mr Laurence George Hildesley — person with significant control
    right to appoint and remove directors

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
KEEL MARINE LIMITED
00721735 · this company

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