BLACKSTACK LIMITED
Company number 12924060 · Active · London E3 2PD
BLACKSTACK LIMITED is an active private limited company (company number 12924060) incorporated on 2 October 2020, registered in London. Its registered activity is business and domestic software development (SIC 62012). Latest micro accounts cover the period ending 31 October 2025, showing net assets of £26k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 155% on the prior period (£10k). Across the last 3 periods on record the net-asset trend is volatile.
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 October 2020
- Next accounts due
- 31 July 2027 — in 289 days
- Confirmation statement due
- 16 October 2027 — in 366 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
- Micro Entity
- Size band
- Micro (Companies Act thresholds)
Financials — 3 periods on record, latest ending 31 October 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £26k | — | — | £92k | — | — | 1 |
| 31 October 2024 | £10k | £502 | — | — | — | — | 1 |
| 31 October 2023 | £22k | £3,145 | £6,139 | — | — | — | 1 |
- Current ratio
- 0.23 — current liabilities exceed current assets
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
Firmoscan score: 73/100 (grade B)
- +10 Positive net assets — Net assets £25,937 at 2025-10-31
- +8 Net assets growing — +154.8% vs prior period
- -8 Current liabilities exceed current assets — Current ratio 0.23
- +5 Multi-year filing history — 3 periods on record
- +8 Established — Incorporated 2020-10-02 (6 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
- Mr Adriaan Nicolaas Petrus Pelzer — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 2 October 2020
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.
- PAYAABLE LTD — London, inc. Oct 2020
- FLAVO LIMITED — London, inc. Oct 2020
- SAMPLESAFE.APP LIMITED — London, inc. Oct 2020
- REMOTE HERO (UK) LIMITED — London, inc. Oct 2020
- THE WIND UP SOFTWARE COMPANY LTD — London, inc. Oct 2020
- APF NETWORKS LTD — London, inc. Oct 2020
Reminders for BLACKSTACK LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.