UK Hydrographic Office
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Port Hydrographer at the Port of London Authority recognised for his contributions to hydrography
Former Hydrographer of the Nigerian Navy recognised for services to international hydrography in latest edition of the annual honour.
![Rear Admiral Chukwuemeka Ebenezer Okafor with family and friends](https://assets.publishing.service.gov.uk/media/66210f18651136bd0b757e11/s465_IMG_1349.jpg.png)
Vanessa Blake, UK Hydrographic Office’s Chief Customer Officer, to succeed outgoing Chief Executive Peter Sparkes
![Vanessa Blake](https://assets.publishing.service.gov.uk/media/661d0ff3c8225636d5bd3e1c/s465_2023_UKHOTaunton_MJones_Vanessa_Blake_-_Gov.uk_website_images-01-01-01.jpg)
The Role of Seabed Mapping in Ocean Science
News story
The UK Centre for Seabed Mapping (UK CSM) programme team co-hosted an event with The Royal Society to explore the vital role of seabed mapping in ocean science.
![Presentations on screen at The Royal Society and UKCSM event](https://assets.publishing.service.gov.uk/media/661690435a583be6bb093201/s465_IMG_7862.JPG.png)
As a world-leading centre for hydrography, we support other nations with their hydrographic understanding and capabilities to support safety of life at sea.
![Delegates from Overseas territories gathering on steps for a group photo at the UK Hydrographic Office headquarters](https://assets.publishing.service.gov.uk/media/65fc62e4f1d3a0001132ad5c/s465_Overseas_territories_wrorkshop_2024gov.jpg)
The UK Hydrographic Office (UKHO) has taken an important step towards a more sustainable future
![New Orleans](https://assets.publishing.service.gov.uk/media/658193bfed3c3400133bfb73/s465_2022_NewOrleansUSA_AWilson_0107_-_Gov.uk_website_images.jpg)
Latest from the UK Hydrographic Office
What we do
The UK Hydrographic Office (UKHO) is a world-leading centre for hydrography, specialising in marine geospatial data to support safe, secure and thriving oceans.
UKHO is an executive agency, sponsored by the Ministry of Defence.
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Transparency and freedom of information releases
Our management
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Contact UKHO
UK Hydrographic Office
Taunton
Somerset
TA1 2DN
United Kingdom
Main switchboard
+44 (0)1823 484444
Customer complaint handling procedure
Customer Services
+44 (0)1823 484444
Radio Navigational Warnings
Radio Navigational Warnings
+44 (0)1823 353 448
Archives and Research
Archives and Research
+(0)1823 483341
Vertical Offshore Reference Frame (VORF)
Copyright and Licensing
Direct Number
+44 (0)1823 483899
International Cartographic Training
Report a vulnerability on an UKHO system
Admiralty Way
Taunton
Somerset
TA12DN
United Kingdom
The UK Hydrographic Office (UKHO) takes the security of our systems seriously. If you believe you have found a vulnerability on any UKHO system, you can report it using the guidance and policy provided.
Make an FOI request
- Read about the Freedom of Information (FOI) Act and how to make a request.
- Check our previous releases to see if we’ve already answered your question.
- Make a new request by contacting us using the details below.
Freedom of Information Requests
UK Hydrographic Office
Admiralty Way
Taunton
Somerset
TA1 2DN
United Kingdom
UKHO Secretariat
+44 (0)1823 484444 (direct line)
Also to be used for Environmental Information Requests.
UKHO FOIs are released under the MOD publication scheme following the FOI Code of Practice and ICO Guidelines.
High profile groups within UKHO
Corporate information
Jobs and contracts
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