RUBYSTONE SOFTWARE LIMITED
Company number 03006464 · Active · London N16 6XS
RUBYSTONE SOFTWARE LIMITED is an active private limited company (company number 03006464) incorporated on 5 January 1995, registered in London. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 December 2024, showing net assets of £14k and cash of £23k, with 1 employee on average. Net assets fell 60% on the prior period (£35k).
By net assets it sits in the upper half of 15,170 comparable companies in London (median £702, upper quartile £27k).
Key dates
- Incorporated
- 5 January 1995
- Next accounts due
- 30 September 2026 — 15 days overdue
- Confirmation statement due
- 19 January 2027 — in 96 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 62012
- Business and domestic software development
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2024
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | £14k | £23k | £0 | — | — | — | 1 |
| 31 December 2023 | £35k | £1,482 | £16k | — | — | — | 1 |
- Cash per employee
- £23k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 50/100 (grade C)
- +10 Positive net assets — Net assets £13,868 at 2024-12-31
- -8 Net assets falling — -60.1% vs prior period
- +8 Established — Incorporated 1995-01-05 (32 years)
- -10 Accounts overdue — Due 2026-09-30
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Dr Paul Rubenstein — has significant influence or control; has significant influence or control · since 6 April 2016
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in London
Same activity (business and domestic software development), closest in incorporation date.
- EXACT FINANCIAL SYSTEMS LIMITED — London, inc. Jan 1995
- BIT BYTER LIMITED — , inc. Jan 1995
- REDBOURN BUSINESS SYSTEMS LIMITED — London, inc. Jan 1995
- WINWEB INTERNATIONAL LIMITED — London, inc. Dec 1994
- DOMAIN TECHNOLOGIES LIMITED — London, inc. Dec 1994
- DULWICH SOFTWARE LIMITED — London, inc. Feb 1995
Reminders for RUBYSTONE SOFTWARE LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.