PS.
PublicSupply
account_balanceBuyersbusinessSuppliersdescriptionNoticescategoryCategories
BuyersSuppliersNoticesCategories
verified_userData sourced from Contracts Finder, Find a Tender, and Companies House.
Contracts Finder ↗Find a Tender ↗Procurement Act 2023 ↗
  1. Home›
  2. Suppliers›
  3. Ultra Maritime UK Limited
UM

Ultra Maritime UK Limited

High Wycombe
Large

Ultra Maritime UK Limited specializes in undersea warfare solutions, providing advanced technologies for situational awareness and anti-submarine warfare (ASW) capabilities. They offer a range of products including sonar systems, torpedo technologies, and radar systems.

umaritime.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£23.7m
Live
4
Buyers
2
12m
£5.1m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts4 / 9
  • Top buyers2
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Ultra Maritime UK LimitedUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

Ultra Maritime UK Limited has won £23.7m across 2 public-sector buyers, with 4 live contracts. No active Companies House risk flags.

Why: top buyer Defence Equipment and Support at 96% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
4 of 9Live contracts
96%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.

◐ From website & notices
Services · 5
SonobuoysAdvanced sonobuoy systems for undersea detection. ↗Towed Sonar ArraysLong-range undersea detection systems. ↗Deployable Sonar ArraysRapid ASW operations with deployable sonar technology. ↗Torpedo TechnologiesTechnologies for torpedo defense and countermeasures. ↗Radar SystemsAdvanced radar solutions for maritime operations. ↗

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

Case studies · 3

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
First Deployment of Next Generation Multistatic Active Receive SonobuoyUltra Maritime successfully completed the first deployment of their next-generation sonobuoy technology. ↗Commitment to Royal Canadian NavyDeepened commitment with lifecycle support for River Class vessels. ↗Strengthening Royal Australian Navy’s Undersea DefenceSecured a new contract to enhance undersea defense capabilities. ↗

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

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 · 1

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

◐ From supplier website
Core credentials · 1/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityISO ↗✓
ISO 14001 — EnvironmentalNot evidenced✓
ISO 45001 — Health & safetyNot evidenced✓

Extracted automatically from umaritime.uk 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
PDM4 Obsolescence Resolution
Defence Equipment and Support—12 Jun 2026£2.4m1.6 yrsLive
713661450 - SAWCS SCU In Service Support
Defence Equipment and Support—01 Nov 2025£2.7m5.4 yrspending
Type 31 Surface Ship Torpedo Defence (SSTD)
Ministry of Defence, DIO,3573000026 Jun 2023£886k12 moClosed
CHARYBDIS Phase 1 Concept Reports
Ministry of Defence, DIO,7341000026 May 2023£2k4 moClosed
PDM4 Obsolescence Resolution
Defence Equipment and Support————Live
713661450 - SAWCS SCU In Service Support
Defence Equipment and Support————Live
Platform Data Management Systems 4 (PDM4) Obsolescence Recovery
Ministry of Defence, DIO,————Live
713661450 - SAWCS SCU In Service Support - UK 5 (Transparency Notice)
Defence Equipment and Support—01 Nov 2025£1.1m5.4 yrspending
In-Service Support of Platform Data Management Systems
Defence Equipment and Support—01 Jul 2027£16.7m8.5 yrspending
Total live value £2.4m · mean award £2.6m

Top buyers · 2 buyers · top 3 = 100%

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

✓ From notices
1
Defence Equipment and Support
6 contracts
96%
since 2025
2
Ministry of Defence, DIO,
3 contracts
4%
since 2023

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South West6 contracts
100%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Ultra Maritime UK Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
CI
CGI IT UK LIMITED
No£10.6m1
UM
Ultra Maritime UK Limited
No£5.1m—
ST
Steelrock
No£5.0m1
CE
cpm electronica
No£5.0m1
KI
Kirintec Limited
No£5.0m1
SI
Sixworks Limited
Yes£3.8m1
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 Dec 2024
Confirmation statement
Up to date
Next due 18 Sept 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.
14355663
Status
Active
Type
Private limited
Incorporated
14 Sept 2022
Reg. office
Beech House Knaves Beech Business Centre, Loudwater, High Wycombe, Bucks, HP10 9SD
SIC codes
32990
Last accounts
31 Dec 2024
Next accounts due
30 Sept 2026

Directors & PSC

  • CULLIS, Christopher Gerard — director
    Appointed 07 Nov 2023
  • ROBINSON, Michael George — director
    Appointed 07 Nov 2023
  • CLIFTON, Wayne James — director
    Appointed 23 May 2023
  • Ultra Electronics Limited — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 percent · 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
ULTRA SONAR SYSTEMS LIMITED
14355663 · this company

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