£431k
+15%vs May 2024Active03201089Private limited company
DEEP BLUE SYSTEMS LIMITED
Significant control: Stephen John Sutton (50–75%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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01
Summary
DEEP BLUE SYSTEMS LIMITED is an active private limited company (company number 03201089) incorporated on 20 May 1996. Its registered activity is information technology consultancy activities (SIC 62020). Latest small accounts cover the period ending 31 May 2025, showing net assets of £431k and cash of −£26k, with 4 employees on average. Net assets rose 15% on the prior period (£376k).
Peer position · net assets
By net assets it sits in the top quarter of 19,391 comparable companies in London (median £3,248, upper quartile £35k).
02
Ownership and control
- Mr Stephen John Sutton
- owns 50–75% of shares
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
- 20 May 199630 yrs ago
- Next accounts due
- 28 February 2027in 127 days
- Confirmation statement due
- 3 June 2027in 222 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 62020
- Information technology consultancy activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
−£26k
−175%vs May 2024Not reported
4
−20%vs May 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £431k | −£26k | £30k | £508k | — | — | 4 |
| 31 May 2024 | £376k | £35k | £38k | £207k | — | — | 5 |
Current ratio0.01Current assets ÷ creditors within one year
Cash per employee−£6,531Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £430,779 at 31 May 2025
- Net assets up 10% or more on the prior period+14.7% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.01
- Incorporated five or more years agoIncorporated 20 May 1996
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
- Confirmation statement duein 222 days
- Next accounts duein 127 days
- Accounts period endNet assets £431k · small accounts
- Accounts period endNet assets £376k · small accounts
- Incorporated
08
Similar companies in London
- BOARD M.I.T. LIMITEDLondon · inc. May 1996
- CENTRIQ LIMITEDLondon · inc. May 1996
- SKILLTIDE LIMITEDLondon · inc. May 1996
- DELPHICA SYSTEMS LIMITEDLondon · inc. Apr 1996
- SATINSOFT LTDLondon · inc. Apr 1996
- KPMG CRIMSONWING LIMITEDLondon · inc. Jun 1996
All companies incorporated on 20 May 1996 · in May 1996.
09
Reminders for DEEP BLUE SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.