ZERO DAY TECHNOLOGIES LTD
Company number 12136768 · Active · London WC2H 9JQ
ZERO DAY TECHNOLOGIES LTD is an active private limited company (company number 12136768) incorporated on 2 August 2019, registered in London. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 May 2025, showing net assets of £19k and cash of £5,520, with 1 employee on average. Net assets fell 45% 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
- 2 August 2019
- Next accounts due
- 28 February 2027 — in 131 days
- Confirmation statement due
- 16 August 2027 — in 300 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 May 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £19k | £5,520 | £9,761 | — | — | — | 1 |
| 31 May 2024 | £35k | £7,721 | £9,101 | — | — | — | 1 |
- Cash per employee
- £5,520
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 60/100 (grade C)
- +10 Positive net assets — Net assets £19,419 at 2025-05-31
- -8 Net assets falling — -44.7% vs prior period
- +8 Established — Incorporated 2019-08-02 (7 years)
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 Laurence Edward Day — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 2 August 2019
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.
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- HEREFORD TECHNOLOGY LIMITED — London, inc. Aug 2019
- MOCHAN CONSULTANCY LIMITED — London, inc. Aug 2019
- FRUITI LIMITED — London, inc. Aug 2019
- WINVESTA LTD — London, inc. Aug 2019
Reminders for ZERO DAY TECHNOLOGIES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.