# POPUP MAINFRAME LTD (13661957)

> POPUP MAINFRAME LTD is an active private limited company (company number 13661957) incorporated on 5 October 2021, registered in Wokingham. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 December 2024, showing net assets of £600 and cash of £1.01m, with 6 employees on average. Net assets fell 99% on the prior period (£107k).

- Status: Active
- Incorporated: 2021-10-05
- Registered office: Wokingham, RG41 5TS
- SIC 62012: Business and domestic software development
- Next accounts due: 2026-09-30
- Confirmation statement due: 2027-10-19
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the lower half of 1,268 comparable companies in Reading (median £3,333, upper quartile £48k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | £600 | £1.01m | £1.49m | £2.52m | — | — | 6 |
| 2023-10-31 | £107k | £108k | £158k | £190k | — | — | 5 |

current ratio 0.99; size band micro.

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

- Net assets above zero: Net assets £600 at 31 December 2024
- Net assets down 25% or more on the prior period: -99.4% vs prior period
- Current assets below creditors within one year: Current ratio 0.99
- Cash at bank of £50,000 or more: Cash £1,012,009
- Incorporated five or more years ago: Incorporated 5 October 2021
- Accounts past their due date: Due 30 September 2026

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

## Persons with significant control

- Mr Gary Alan Thornhill — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2021-10-05

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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/13661957
HTML: https://firmoscan.com/company/13661957-popup-mainframe-ltd