# CONVEX CONCAVE LTD (13582548)

> CONVEX CONCAVE LTD is an active private limited company (company number 13582548) incorporated on 24 August 2021, registered in Berkhamsted. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £3,209, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 200% on the prior period (−£3,209). Across the last 3 periods on record the net-asset trend is rising.

- Status: Active
- Incorporated: 2021-08-24
- Registered office: Berkhamsted, HP4 1FJ
- SIC 70229: Management consultancy activities other than financial management
- Next accounts due: 2027-05-31
- Confirmation statement due: 2027-09-07
- Accounts type: MICRO ENTITY

By net assets it sits in the lower half of 22,678 comparable companies in Other (median £4,597, upper quartile £35k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-08-31 | £3,209 | — | — | £4,332 | — | — | 0 |
| 2024-08-31 | −£3,209 | — | — | £4,332 | — | — | 0 |
| 2023-08-31 | −£3,209 | — | — | £4,319 | — | — | — |

current ratio 0.01; net assets trend rising; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £3,209 at 31 August 2025
- Net assets up 10% or more on the prior period: +200.0% vs prior period
- Current assets below creditors within one year: Current ratio 0.01
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 24 August 2021

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mr Tom Smart — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2021-08-24

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/13582548
HTML: https://firmoscan.com/company/13582548-convex-concave-ltd