Top suppliers
Top suppliers to UK Hydrographic Office
Top-five suppliers hold 89% of contract value — a concentrated market.
Procurement categories
What UK Hydrographic Office buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
3829000071350000487100004832000079970000722600007934000072210000798100007962000022990000799900007222000079820000723100007995000030210000601100007941000048210000Recent contracts
Latest UK Hydrographic Office contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Supply of bespoke chart paper
ANTALIS LIMITED · 2026-06-10
£1.8M
Supply of bespoke chart paper
Antalis Limited · 2026-05-22
£1.8M
Developer Secure Coding Platform
Boxxe Limited · 2026-04-29
£34K
Third Party Chart Production Support 2026
IIC TECHNOLOGIES LIMITED · 2026-04-29
£8.0M
Publications Support and Development 2026
CHERSOFT LIMITED · 2026-04-28
£10.5M
Third Party Chart Production Support 2026
IIC TECHNOLOGIES LIMITED · 2026-04-27
£8.0M
Security Operations Services
ALEXANDER MANN SOLUTIONS LIMITED · 2026-04-22
£422K
Shore Based Navigation Research for the UKHO
Thetius · 2026-04-20
£44K
Geocable Database
GLOBAL MARINE SYSTEMS LIMITED · 2026-03-30
£73K
UKHO ExpressRoute
Syntura Group Limited · 2026-03-30
£136K
Third Party Chart Production Support 2026
IIC TECHNOLOGIES LIMITED · 2026-03-25
£8.0M
Application Support - 1 Year Transition Only
MASTEK (UK) LTD. · 2026-03-23
£1.6M
UKHO Book Publications 2026
HOBBS THE PRINTERS LIMITED · 2026-02-05
£4.6M
Integrated Continuous Plankton Recorder
The Marine Biological Association · 2026-01-23
£14K
PSN Hardware 2025
CDW Limited · 2026-01-19
£750K
Solarwinds 2025-2028
Phoenix Software Ltd · 2026-01-19
£215K
Facilities Management Support 25-27
Ridge Associates LLP · 2025-12-09
£250K
HR Payroll System
MHR International UK Limited · 2025-11-12
£512K
Maldives Seabed Mapping - Cost / Benefit Analysis
FULL CIRCLE ECONOMICS LIMITED · 2025-10-30
£30K
UKHO - Hubspot Firmographic Data
S&P GLOBAL LIMITED · 2025-10-30
£54K
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Open opportunities
Open UK Hydrographic Office tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Supply, Delivery, Installation & On-Site Maintenance of Digitisation Scanning Equipment
£80K
Publications Storage and Fulfilment Services
£4.0M
Financial Audit for UKHO- IC-ENC 2026
£108K
Production Systems Support and Development
£11.5M
CASTLE Support and Development
£6.0M
Third Party Chart Production Support 2026
£8.0M
Book publications 2026
£4.6M
Digital Chart Paper
£3.0M
Satellite Derived Bathymetry
£3.5M
Publications Storage and Fulfilment Services
£4.0M
Travel Management Services
£4.0M
Marine Environmental Monitoring Stations
£4.0M
Chart production support
£5.0M
Book publications and finishing services
£4.5M
ESRI Enterprise Agreement
£6.0M
CASTLE Support and Development
£6.0M
Production Systems Support and Development
£11.5M
Development and Support Services
£8.0M
Caris Enterprise Agreement Outline Agreement
£11.5M
Contingent Labour
£30.0M
Pipeline
Contracts expiring in the next 12 months
When these contracts end, UK Hydrographic Office typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
His Majesty's Nautical Almanac Office' (HMNAO) Replacement
Expires: 2026-09-03
£506K
UKHO Bullwall Ransomware
Expires: 2026-09-14
£30K
Supply of CD and DVD Duplication and Fulfilment Services Contract
Expires: 2026-09-25
£1.6M
ISO Certification Services
Expires: 2026-09-30
£131K
UKHO - Password Manager Pro - 2023-26
Expires: 2026-10-20
£15K
ESRI Enterprise Agreement
Expires: 2026-12-31
£6.0M
Veeam Backup and Replicate 2024-27
Expires: 2027-02-14
£400K
UKHO Dotfuscator Support 2024-27
Expires: 2027-02-28
£22K
UKHO Citrix Support 2024 - 2027
Expires: 2027-03-31
£600K
Security Operations Services
Expires: 2027-04-12
£422K
Next Generation Sailing Directions Data Migration
Expires: 2027-04-13
£788K
Defence Chart printing and Fulfilment
Expires: 2027-04-14
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
None Clinical Staffing
Expires: 2027-04-24
£400K
Marketing Events and Exhibitions 2024
Expires: 2027-05-12
£1.1M
Print on Demand Support and Maintenance 2025-2027
Expires: 2027-05-31
£304K
Market analysis
Bidding into UK Hydrographic Office — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
89%
Top-5 supplier share
32d
Avg response window
30d
Median response window
23mo
Avg contract duration
Frequently asked
Common questions about selling to UK Hydrographic Office
How much does UK Hydrographic Office spend on procurement?
UK Hydrographic Office awarded 114 contracts totalling £526.6M between 2023-07-31 and 2026-07-31, working with 97 unique suppliers. Average contract value is £4.6M.
Who are UK Hydrographic Office's top suppliers?
The largest suppliers to UK Hydrographic Office by total award value are NORBIT Subsea AS, IIC TECHNOLOGIES LIMITED, AvePoint UK Ltd. The top five suppliers together hold 89% of contract value.
What does UK Hydrographic Office buy from suppliers?
UK Hydrographic Office's procurement is concentrated in surveying, hydrographic, oceanographic and hydrological instruments and appliances, engineering-related scientific and technical services, backup or recovery software package, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for UK Hydrographic Office contracts?
UK Hydrographic Office 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 UK Hydrographic Office tenders?
UK Hydrographic Office typically gives suppliers a median of 30 days to respond (average 32 days). Standard contract duration is around 23 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 UK Hydrographic Office'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 2026-07-31
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.