£284k
+33%vs Mar 2024Active02126524Private limited companyLondon
QUARTZ SCIENTIFIC COMPUTING LIMITED
A80/10001
Summary
QUARTZ SCIENTIFIC COMPUTING LIMITED is an active private limited company (company number 02126524) incorporated on 28 April 1987, registered in London. Its registered activity is other engineering activities (SIC 71129). Latest small accounts cover the period ending 31 March 2025, showing net assets of £284k and cash of £209k, with 8 employees on average. Net assets rose 33% on the prior period (£213k).
Peer position · net assets
By net assets it sits in the top quarter of 1,655 comparable companies in London (median £4,206, upper quartile £48k).
02
Key dates
- Incorporated
- 28 April 198739 yrs ago
- Next accounts due
- 31 December 2026in 70 days
- Confirmation statement due
- 12 May 2027in 202 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 71129
- Other engineering activities
- SIC 71200
- Technical testing and analysis
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£209k
+36%vs Mar 2024Not reported
8
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £284k | £209k | £125k | — | — | — | 8 |
| 31 March 2024 | £213k | £153k | £127k | — | — | — | 8 |
Cash per employee£26kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
80 / 100 · grade A
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £284,357 at 2025-03-31 |
| +8 | Net assets growing+33.4% vs prior period |
| +4 | Cash reservesCash £209,338 |
| +8 | EstablishedIncorporated 1987-04-28 (39 years) |
| 80 | Score, grade A |
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.
06
Ownership and control
- 4-Rail Services Ltd
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Confirmation statement duein 202 days
- Next accounts duein 70 days
- Accounts period endNet assets £284k · small accounts
- Accounts period endNet assets £213k · small accounts
- Incorporated
08
Similar companies in London
- FRISCHMANN OFFSHORE LTDLondon · inc. Feb 1987
- BARRIE TANKEL PARTNERSHIP LIMITEDLondon · inc. Jan 1987
- CERMEX ENGINEERING LIMITEDLondon · inc. Aug 1987
- DELAP & WALLER MECHANICAL & ELECTRICAL CONSULTING ENGINEERS LIMITEDLondon · inc. Aug 1987
- CAPITA PROPERTY AND INFRASTRUCTURE (STRUCTURES) LIMITEDLondon · inc. Dec 1986
- DUNPHYS LIMITEDLondon · inc. Sept 1987
All companies incorporated on 28 April 1987 · in Apr 1987.
09
Reminders for QUARTZ SCIENTIFIC COMPUTING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.