GM
GLOBAL MARINE SYSTEMS LIMITED
GLOBAL MARINE SYSTEMS LIMITED is a UK limited company, based in Chelmsford, incorporated in 1983. Has won 5 UK public-sector contracts worth £303k across 2 buyers, primarily United Kingdom Hydrographic Office.
Active contracts
1
no new awards in 30d
Contracted (12m)
—
no data
Public buyers
2
stable this month
Top buyer share
76%
United Kingdom Hydrographic Office
Risk signals · 1 active
Derived from Companies House filings. More sources (HMRC, Insolvency Service register, press) will be added incrementally.
Insolvency case on record (2)
Most recent: in administration.
HIGH
Buyer concentration
Each block sized by share of total award value. A dominant block signals dependency on one buyer.
Severe concentration. Top buyer alone = 76% of revenue.
United Kingdom Hydrographic Office
£230k
76%UK Hydrographic Office
£73k
24%Contracts won · 5 total · 1 active · 4 expired
Every contract award published under the Procurement Act.
| Title | Buyer | Award type | Value | Awarded | Status |
|---|---|---|---|---|---|
| GMSL - Geocable sub tele data | United Kingdom Hydrographic Office | Direct contract | £124k | 21 Nov 2018 | expired |
| Geo Cable Data | United Kingdom Hydrographic Office | Direct contract | £106k | 13 Aug 2017 | expired |
| GeoCable Data Sets Batch 2 (2023-25) | UK Hydrographic Office | Direct contract | £51k | 19 Dec 2022 | expired |
| Geocable Database | UK Hydrographic Office | Direct contract | £23k | 19 Nov 2021 | expired |
| Geocable Database | UK Hydrographic Office | Direct contract | — | — | active |