£26k
+24%vs Dec 2024ActiveSC438398Private limited companyAberdeen
COLSEA SYSTEMS LTD
Significant control: Martin James Sullivan (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Colsea Systems Ltd sell?
Registered activity: Other business support service activities n.e.c. (SIC 82990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
COLSEA SYSTEMS LTD is an active private limited company (company number SC438398) incorporated on 7 December 2012, registered in Aberdeen. Its registered activity is other business support service activities n.e.c. (SIC 82990). Latest micro accounts cover the period ending 31 December 2025, showing net assets of £26k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 24% on the prior period (£21k).
Peer position · net assets
By net assets it sits in the upper half of 1,249 comparable companies in Aberdeen (median £7,640, upper quartile £121k).
02
Ownership and control
- Mr Martin James Sullivan
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 7 December 201213 yrs ago
- Next accounts due
- 30 September 2027in 342 days
- Confirmation statement due
- 21 December 2026in 59 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 82990
- Other business support service activities n.e.c.
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £26k | — | — | — | — | — | 1 |
| 31 December 2024 | £21k | — | — | — | — | — | 1 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £25,503 at 31 December 2025
- Net assets up 10% or more on the prior period+24.1% vs prior period
- Incorporated five or more years agoIncorporated 7 December 2012
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 342 days
- Confirmation statement duein 59 days
- Accounts period endNet assets £26k · micro accounts
- Accounts period endNet assets £21k · micro accounts
- Incorporated
08
Similar companies in Aberdeen
- BAIRD'S PHARMACY LIMITEDAberdeen · inc. Dec 2012
- STUART MCCULLOUGH LIMITEDBuckie · inc. Dec 2012
- RICHARD STRATHDEE LIMITEDAberlour · inc. Dec 2012
- AQUATERRA EQUIPMENT LIMITEDAberdeen · inc. Dec 2012
- GJD MARINE LIMITEDFraserburgh · inc. Nov 2012
- MAXIMUS CONSULT LIMITEDWesthill · inc. Dec 2012
All companies incorporated on 7 December 2012 · in Dec 2012.
09
Reminders for COLSEA SYSTEMS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.