Top suppliers
Top suppliers to TRINITY HOUSE
Top-five suppliers hold 69% of contract value — a concentrated market.
Procurement categories
What TRINITY HOUSE buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
3451000066510000502400004845000045440000909100006617000079620000905100003462000032420000502200007131000048730000637100003171000063720000446100005552000063510000Recent contracts
Latest TRINITY HOUSE contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
MGO - THV Patricia - Asco
ASCO · 2026-07-10
£42K
MGO - THV Alert - Certas Energy
CERTAS ENERGY · 2026-06-30
£27K
STA1529 Bathymetric and Topographic Survey of Wolf Rock Lighthouse
CASTLE SURVEYS LIMITED · 2026-06-29
£30K
MGO - THV PATRICIA - KPI OCEAN CONNECT
KPI OCEAN CONNECT · 2026-06-12
£29K
STA 1527 - Engine Part
WARTSILA UK LIMITED · 2026-05-18
£34K
MGO - THV Patricia and THV Galatea - Asco
ASCO · 2026-04-30
£265K
Marine Lantern Purchase
Hydrosphere · 2026-04-23
£26K
STA 1511 - Knowledge Transfer Partnership
University of Essex · 2026-04-21
£72K
STA1525 - ORGA SIGNAL LLC
ORGA SIGNAL LLC · 2026-04-16
£51K
CM76 - Round Island Lighthouse Painting
Bell Group Limited · 2026-04-11
£51K
CM76 - Round Island Lighthouse Painting
Bell Group Limited · 2026-04-08
£51K
MGO - THV Galatea - Lindsay Blee & Co
LINDSAY BLEE & CO LTD · 2026-03-30
£86K
MGO - THV Galatea - Lindsay Blee & Co
LINDSAY BLEE & CO LTD · 2026-03-27
£86K
STA 1521 - Michael J Watts - Specialist technical and development services
Michael J Watts · 2026-03-27
£25K
MGO - THV Patricia and THV Galatea - Asco
ASCO · 2026-03-27
£105K
MGO - THV Patricia and THV Galatea - Asco
ASCO · 2026-03-27
£105K
MGO - THV Patricia and THV Galatea - Asco
ASCO · 2026-03-27
£105K
CM75 Casquets Lighthouse Painting
Ian Williams Limited · 2026-03-27
£90K
T0422 - CM77 Bamburgh Lighthouse Painting
MAINTENANCE PAINTING SYSTEMS · 2026-03-27
£22K
CM78 - Flamborough Lighthouse Painting
Ian Williams Limited · 2026-03-27
£110K
WANT TO WIN WORK FROM TRINITY HOUSE?
Get alerted when TRINITY HOUSE posts a contract you can win
ENKII watches this buyer's tenders and emails you only the ones your business qualifies for — free, no card, 3-minute setup.
Open opportunities
Open TRINITY HOUSE tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
CM14 - GLA Marine Coating Systems
£971K
CM55 - Vina Beacon
£250K
CM60 - Maximo Upgrades
£542K
CM60 - Maximo Upgrades
£542K
CM92 - MERCURY MONITORING
£197K
Harwich Office Upgrades - HVAC
THV Alert Replacement Rigid Inflatable Boat
£78K
CM52 / T0528 - Wormleighton Site Decommissioning
£250K
CM49 - Access Control
£80K
CM17 - Geotechnical and Civil Engineering
£1.0M
CM12 - Central Monitoring and Control System
£6.0M
Risk Management Review for General Lighthouse Authorities (GLA's)
T0526 - Geotechnical and Civil Engineering Surveying
£1.0M
West Coast Workboat
CM12 (T0545) Central Monitoring and Control System
SKY/BT Subscriptions for Entertainment Packages for Trinity House Vessels
SKY/BT Subscriptions for Entertainment Packages for Trinity House Vessels
£75K
West Coast Workboat
Trevose Tank works
Trevose Tank works
Pipeline
Contracts expiring in the next 12 months
When these contracts end, TRINITY HOUSE typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
T0422 - CM77 Bamburgh Lighthouse Painting
Expires: 2026-09-25
£22K
GB-London: C1286 - Executive and Non-Executive Recruitment
Expires: 2026-11-10
£105K
GB-Swansea: C1298 - Commercial Bulk Agreement for Gas Supply for Swansea Depot
Expires: 2026-12-01
£47K
GB-LONDON: T0530 - Emergency Contact Management System
Expires: 2027-03-19
£41K
GB-LONDON: STA1468 GRAD website redesign and maintenance
Expires: 2027-03-31
£32K
T0517 - Printed Circuit Board Design and Build
Expires: 2027-03-31
£192K
GB-Harwich: T0529 - Trinity House Intranet System
Expires: 2027-05-19
£81K
Market analysis
Bidding into TRINITY HOUSE — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
69%
Top-5 supplier share
32d
Avg response window
28d
Median response window
16mo
Avg contract duration
Frequently asked
Common questions about selling to TRINITY HOUSE
How much does TRINITY HOUSE spend on procurement?
TRINITY HOUSE awarded 208 contracts totalling £63.6M between 2023-08-01 and 2026-08-01, working with 133 unique suppliers. Average contract value is £315K.
Who are TRINITY HOUSE's top suppliers?
The largest suppliers to TRINITY HOUSE by total award value are Severn Seas Shipping Ltd, Willis Limited, IRIS Software Limited. The top five suppliers together hold 69% of contract value.
What does TRINITY HOUSE buy from suppliers?
TRINITY HOUSE's procurement is concentrated in ships, insurance services, repair, maintenance and associated services related to marine and other equipment, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for TRINITY HOUSE contracts?
TRINITY HOUSE publishes open tenders on Find a Tender and Contracts Finder. ENKII matches your business against live tenders, identifies certifications you'll need, and surfaces frameworks worth applying to. Free Readiness Score in 3 minutes.
What's the typical response window for TRINITY HOUSE tenders?
TRINITY HOUSE typically gives suppliers a median of 28 days to respond (average 32 days). Standard contract duration is around 16 months.
Continue reading
Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
How UK central-government departments evaluate suppliers at the pre-qualification stage.
GUIDE
Cyber Essentials — for government contracts
Most central-government contracts handling personal data require this certification.
SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is TRINITY HOUSE's largest spend area.
INDEX
All UK public-sector buyers
Browse procurement profiles for every UK government department and major buyer.
Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-08-01
This profile aggregates public-record procurement data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and aggregates source records; we don't edit the underlying facts.
Source portals
- · Find a Tender (find-tender.service.gov.uk)
- · Contracts Finder
- · Spend Network
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.