CYAN SUBSEA UK LTD.
Company details
- Registered name
- CYAN SUBSEA UK LTD.
- Company number
- SC150859
- Registered office
- JOHNSTONE HOUSE, 52-54 ROSE STREET, ABERDEEN, AB10 1HA · 223 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 12 May 1994
- Status
- Active
- Age
- 32 years
- Previous names
- MMA OFFSHORE SERVICES LTD (to 14 May 2025) · NEPTUNE OFFSHORE SERVICES LTD (to 14 May 2025) · NEPTUNE DEEPTECH LTD (to 14 May 2025) · ROSS DEEPTECH INITIATIVES LIMITED (to 14 May 2025)
- Nature of business (SIC)
- 09100 — Support activities for petroleum and natural gas mining
- Accounts — next due
- 30 Sept 2027
- Accounts — last made up to
- 31 Dec 2025
- Confirmation statement — next due
- 26 May 2027
- Confirmation statement — last
- 12 May 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- Has traded under 5 names: MMA OFFSHORE SERVICES LTD, NEPTUNE OFFSHORE SERVICES LTD, NEPTUNE DEEPTECH LTD, ROSS DEEPTECH INITIATIVES LIMITED.
- 135 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 14/05/2025 | Registered name changed | ROSS DEEPTECH INITIATIVES LIMITED | NEPTUNE DEEPTECH LTD |
| 14/05/2025 | Registered name changed | NEPTUNE DEEPTECH LTD | NEPTUNE OFFSHORE SERVICES LTD |
| 14/05/2025 | Registered name changed | NEPTUNE OFFSHORE SERVICES LTD | MMA OFFSHORE SERVICES LTD |
| 14/05/2025 | Registered name changed | MMA OFFSHORE SERVICES LTD | CYAN SUBSEA UK LTD. |
| 07/11/2019 | Person with significant control ceased | Blossomvale Scotland Holdings Limited | — |
| 06/04/2016 | Person with significant control added | — | Blossomvale Scotland Holdings Limited |
Financial highlights
Parsed from the filed statutory accounts (£ thousands, except employees)
| Metric | FY2024 | FY2023 |
|---|---|---|
| Revenue | 18,258 ▲ 123% | 8,185 |
| Profit / (loss) before tax | 375 ▼ 35.1% | 578 |
| Total assets less current liabilities | 2,559 ▲ 1.8% | 2,513 |
| Net assets | 2,256 ▲ 19.7% | 1,884 |
| Employees (avg) | 57 ▲ 16.3% | 49 |
Documents for CYAN SUBSEA UK LTD.
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Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
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About CYAN SUBSEA UK LTD. (SC150859)
CYAN SUBSEA UK LTD. is a private limited company incorporated on 12 May 1994 and registered in the United Kingdom under company number SC150859. Its registered office is at JOHNSTONE HOUSE, 52-54 ROSE STREET, ABERDEEN, AB10 1HA. The recorded nature of business is support activities for petroleum and natural gas mining (SIC 09100). The company is currently active , with statutory accounts last made up to 31 December 2025. , and the person with significant control is Blossomvale Scotland Holdings Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
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