PROTOCOL 89 LTD
Company number 09753061 · Active · London SE1 2DD
PROTOCOL 89 LTD is an active private limited company (company number 09753061) incorporated on 28 August 2015, registered in London. Its registered activity is other information technology service activities (SIC 62090). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £469k, with 3 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 15% on the prior period (£407k).
By net assets it sits in the top quarter of 8,890 comparable companies in London (median £1,000, upper quartile £36k).
Key dates
- Incorporated
- 28 August 2015
- Next accounts due
- 31 May 2027 — in 225 days
- Confirmation statement due
- 11 September 2027 — in 328 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 62090
- Other information technology service activities
- Accounts type
- Micro Entity
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 August 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £469k | — | — | £50k | — | — | 3 |
| 31 August 2024 | £407k | — | — | £54k | — | — | 4 |
- Current ratio
- 10.33 — comfortable
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: 84/100 (grade A)
- +10 Positive net assets — Net assets £469,121 at 2025-08-31
- +8 Net assets growing — +15.3% vs prior period
- +8 Comfortable liquidity — Current ratio 10.33
- +8 Established — Incorporated 2015-08-28 (11 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 Joseph Harper — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors · since 6 April 2016
- Mr Daniel John Harper — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors · 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 (other information technology service activities), closest in incorporation date.
- CRASHZOOM LTD — London, inc. Aug 2015
- SHAREFLOW CONSULTING LIMITED — London, inc. Aug 2015
- NALDERTOWN LTD — London, inc. Aug 2015
- CONCEPTCUBES LIMITED — London, inc. Aug 2015
- LUCANET (UK) LIMITED — London, inc. Aug 2015
- THE O FACTORY LTD — London, inc. Aug 2015
Reminders for PROTOCOL 89 LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.