UNREASONABLE EFFECTIVENESS LIMITED
Significant control: Amy Ann Rennison (25–50%), Steven Robert Crossan (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Unreasonable Effectiveness Limited sell?
Registered activity: Management consultancy activities other than financial management (SIC 70229). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
UNREASONABLE EFFECTIVENESS LIMITED is an active private limited company (company number 11038539) incorporated on 30 October 2017, registered in London. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest small accounts cover the period ending 31 October 2025, showing net assets of £16k and cash of £45k, with 1 employee on average. Net assets fell 61% on the prior period (£42k). Across the last 3 periods on record the net-asset trend is falling.
By net assets it sits in the upper half of 31,398 comparable companies in London (median £2,815, upper quartile £34k).
Ownership and control
- Mrs Amy Ann Rennison
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Steven Robert Crossan
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Steven Robert Crossan
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
Key dates
- Incorporated
- 30 October 20178 yrs ago
- Next accounts due
- 31 July 2027in 280 days
- Confirmation statement due
- 13 November 2026in 20 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 70229
- Management consultancy activities other than financial management
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £16k | £45k | £33k | — | — | — | 1 |
| 31 October 2024 | £42k | £118k | £33k | — | — | — | 2 |
| 31 October 2023 | £94k | £162k | £5,867 | — | — | — | 2 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Filing and accounts signals
- Net assets above zeroNet assets £16,477 at 31 October 2025
- Net assets down 25% or more on the prior period-61.1% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 30 October 2017
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
Timeline
- Next accounts duein 280 days
- Confirmation statement duein 20 days
- Accounts period endNet assets £16k · small accounts
- Accounts period endNet assets £42k · small accounts
- Accounts period endNet assets £94k · small accounts
- Incorporated
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All companies incorporated on 30 October 2017 · in Oct 2017.
Reminders for UNREASONABLE EFFECTIVENESS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.