£2.45m
+1%vs Mar 2024Active03819556Private limited companyLondon
SQUARE BOX SYSTEMS LIMITED
Significant control: Quantum Corporation (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Square Box Systems Limited sell?
Registered activity: Information technology consultancy activities (SIC 62020). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SQUARE BOX SYSTEMS LIMITED is an active private limited company (company number 03819556) incorporated on 4 August 1999, registered in London. Its registered activity is information technology consultancy activities (SIC 62020). Latest small accounts cover the period ending 31 March 2025, showing net assets of £2.45m and cash of £10k, with 5 employees on average. Net assets rose 1% on the prior period (£2.42m). Across the last 3 periods on record the net-asset trend is volatile.
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
- Quantum Corporation
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Rolf Michael Howarth
- has significant influence or control
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
- 4 August 199927 yrs ago
- Next accounts due
- 31 December 2026in 68 days
- Confirmation statement due
- 18 August 2027in 298 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
- Small
- Size band
- MicroCompanies Act thresholds
05
Financials
£10k
−21%vs Mar 2024Not reported
5
−29%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £2.45m | £10k | £2.61m | £165k | — | — | 5 |
| 31 March 2024 | £2.42m | £13k | £3.08m | — | — | — | 7 |
| 31 March 2023 | £3.81m | £2,889 | £4.26m | — | — | — | 10 |
Current ratio15.89Current assets ÷ creditors within one year
Cash per employee£2,037Cash ÷ 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 £2,454,185 at 31 March 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 15.89
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 4 August 1999
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 298 days
- Next accounts duein 68 days
- Accounts period endNet assets £2.45m · small accounts
- Accounts period endNet assets £2.42m · small accounts
- Accounts period endNet assets £3.81m · small accounts
- Incorporated
08
Similar companies in London
- LUX MAGI LIMITEDLondon · inc. Aug 1999
- SWIFT INTERNET LIMITEDLondon · inc. Aug 1999
- DAVICA LTDinc. Jul 1999
- ADVANCED TICKETING LIMITEDLondon · inc. Aug 1999
- ARISTO IT CONSULTANCY LIMITEDLondon · inc. Aug 1999
- INFRASOFT TECHNOLOGIES LIMITEDLondon · inc. Jul 1999
All companies incorporated on 4 August 1999 · in Aug 1999.
09
Reminders for SQUARE BOX SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.