£543k
−16%vs Mar 2024Active08931431Private limited companyCambridge
PERPETUA IN PERPETUUM LTD
Significant control: Christopher Benjamin Senior (significant control)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Architectural activities (SIC 71111). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
PERPETUA IN PERPETUUM LTD is an active private limited company (company number 08931431) incorporated on 10 March 2014, registered in Cambridge. Its registered activity is architectural activities (SIC 71111). Latest small accounts cover the period ending 31 March 2025, showing net assets of £543k and cash of £200k, with 12 employees on average. Net assets fell 16% on the prior period (£648k).
Peer position · net assets
By net assets it sits in the top quarter of 127 comparable companies in Cambridge (median £9,774, upper quartile £80k).
02
Ownership and control
- Mr Christopher Benjamin Senior
- has significant influence or control
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.
03
Key dates
- Incorporated
- 10 March 201412 yrs ago
- Next accounts due
- 31 December 2026in 65 days
- Confirmation statement due
- 24 March 2027in 148 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71111
- Architectural activities
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£200k
−15%vs Mar 2024Not reported
12
+9%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £543k | £200k | £423k | — | — | — | 12 |
| 31 March 2024 | £648k | £236k | £489k | — | — | — | 11 |
Cash per employee£17kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £543,472 at 31 March 2025
- Cash at bank of £50,000 or moreCash £200,304
- Incorporated five or more years agoIncorporated 10 March 2014
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.
07
Timeline
- Confirmation statement duein 148 days
- Next accounts duein 65 days
- Accounts period endNet assets £543k · small accounts
- Accounts period endNet assets £648k · small accounts
- Incorporated
08
Similar companies in Cambridge
- COMPLETE ENVELOPE DESIGN LTDSaffron Walden · inc. Mar 2014
- HOX DESIGN LTDSaffron Walden · inc. Mar 2014
- MARTIN AND MORTIMER LIMITEDEly · inc. Mar 2014
- TONI MOSES DESIGN LIMITEDBabraham · inc. Nov 2013
- JON ALDERTON LTDHaverhill · inc. Nov 2014
- NEUBAU ARCHITECTURE LIMITEDCambridge · inc. Dec 2014
All companies incorporated on 10 March 2014 · in Mar 2014.
09
Reminders for PERPETUA IN PERPETUUM LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.