# RHOMBUS SYSTEMS LIMITED (01577030)

> RHOMBUS SYSTEMS LIMITED is an active private limited company (company number 01577030) incorporated on 28 July 1981, registered in Cambridge. Its registered activity is manufacture of computers and peripheral equipment (SIC 26200). Latest micro accounts cover the period ending 31 December 2025, showing net assets of £302k, with 5 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 2% on the prior period (£297k).

- Status: Active
- Incorporated: 1981-07-28
- Registered office: Cambridge, CB24 9LQ
- SIC 26200: Manufacture of computers and peripheral equipment
- SIC 26511: Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
- SIC 62012: Business and domestic software development
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-08-11
- Accounts type: MICRO ENTITY

By net assets it sits in the top quarter of 672 comparable companies in the UK (median £2,365, upper quartile £116k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £302k | — | — | £50k | — | — | 5 |
| 2024-12-31 | £297k | — | — | £68k | — | — | 4 |

current ratio 6.77; size band micro.

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

- Net assets above zero: Net assets £301,582 at 31 December 2025
- Current assets at least 1.5× creditors within one year: Current ratio 6.77
- Incorporated five or more years ago: Incorporated 28 July 1981

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

## Persons with significant control

- Mr Adam Timothy Cearns — owns 25–50% of shares, since 2016-12-31
- Mr David Richard Howlett Hartley — owns 50–75% of shares, since 2016-12-31

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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/01577030
HTML: https://firmoscan.com/company/01577030-rhombus-systems-limited