List of organisations registered with MCA to conduct shore-based maintenance.
Updated 20 October 2025
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1. List of organisations registered with MCA to conduct shore-based maintenance of GMDSS radio equipment as per the conditions set out in MGN 417 (M+F) Amendment 1
| Company name | Address | Country | Telephone | Email/Website |
|---|---|---|---|---|
| Electrotech Australia | 37/9 Powells Road, Brookvale, NSW 2100 Australia | Australia | Tel: Â +61 2 94666800 | |
| Tototheo Trading Ltd | 89 Omonia Omonoias 89, Limassol 3048, CyprusCyprus | Cyprus | Tel: +357 25 569155 | |
| Ing.-Büro Querin GmbH | Gerstenkamp 18, D-21739 Dollern, Germany | Germany | Tel: +49 4163 900520 | office@querin.de |
| Compagnia Generale Telemar S.P.A | Viale Tiziano 19 00196 Rome | Italy | Tel: 0039 06 3221800 | tech@cgtelemar.com |
| Tefin scrl | Via Ferrante Imparato, 501 Complesso Genesis, 80147 Naples Italy | Italy | Tel: +39 081 19134424 | |
| Mackay Marine – Netherlands | Plaza 24f 4782 SK Moerdijk Netherlands | Netherlands | Tel: +31 168 744 021 | rotterdam@mackaymarine.com |
| Radio Holland Group B.V) | Sluisjesdijk 155 3087 AG Rotterdam Netherlands | Netherlands | Tel: +31 10 487 19 11 | |
| Vico AS | Bøvågen 30 N-4262 Avaldsnes Norway | Norway | Tel: +47 52 84 55 66 00 | |
| Charity and Taylor (Electronic Services) Ltd | Southgates Road Great Yarmouth Norfolk NR30 3LJ | United Kingdom | Tel: 01502 581529 | |
| Boat Electrics and Electronics Ltd | Unit 4 Ailsa Business Park 18 Kyle Road Irvine Ayrshire KA12 8LE | United Kingdom | Tel: 01292 315355 | |
| Furuno UK Ltd | West Building Penner Road Havant Hampshire PO9 1QY | United Kingdom | Tel:Â +44 02392 441000 | |
| Marine Electronic Systems Ltd | Westwood Court Brunel Court Totton Southampton SO40 3WX | United Kingdom | Tel: +44 02380 66 33 16 | www.mesuk.com |
| Northrop Grumman Sperry Marine UK | Burlington House 118 Burlington Road New Malden Surrey KT3 4NR | United Kingdom | Tel: +44 (0) 20 8329 2000 | |
| NSSL Global | 6 Wells Place Gatton Park Business Centre Redhill Surrey RH1 3DR | United Kingdom | Tel: +44 (0) 1737 648 800 | |
| SIRM UK | Haltwhistle Road, South Woodham Ferrers, Chelmsford Essex CM3 5ZA | United Kingdom | Tel: 01245 933340 | |
| Ships Electronic Services Ltd | Waterside Court, Neptune Close Rochester Kent ME2 4NZ | United Kingdom | Tel: +44 (0) 1634 295500 | |
| TDC Aberdeen Limited | Unit 5, Bankhead Avenue Bucksburn Aberdeen AB21 9ET | United Kingdom | Tel: +44 1224 710077 | |
| Mantsbrite Marine Electronics | 19F Spital Road, Maldon Essex CM9 6DY | United Kingdom | Tel: 01621 853 003 | |
| One Tech Services Ltd | 23 Lapetou St.Agios Athanasios Limassol, 4101 Cyprus | Cyprus | Tel: 357 25 828 996 | www.onetech.global |
| InmarServ Ltd | 5 Mykonou, Ypsonas 4184 Limassol | Cyprus | Tel:+91 95662 55503 | |
| AST Networks | Satellite House, Bessemer Way Halfrey’s Industrial Estate Great Yarmouth NR31 OLX | United Kingdom | Tel: 01493 440011 | |
| Woodsons of Aberdeen Ltd | Goval House Dyce Aberdeen AB21 OHT | United Kingdom | Tel: 01224 722884 |
Should you require further information then please contact:
UK Technical Services Navigation
Maritime and Coastguard Agency
Bay 2/24
Spring Place
105 Commercial Road
Southampton
SO15 1EG
Tel : +44 (0) 0203 81 7200
E-mail: radio@mcga.gov.uk