ULTIMATE PERFORMANCE LIMITED
Company number 04813549 · Active · Northampton NN6 8LU
ULTIMATE PERFORMANCE LIMITED is an active private limited company (company number 04813549) incorporated on 27 June 2003, registered in Northampton. Its registered activity is manufacture of engines and turbines, except aircraft, vehicle and cycle engines (SIC 28110). Latest small accounts cover the period ending 28 September 2025, showing net assets of £481k and cash of £35k, with 5 employees on average. Net assets rose 36% on the prior period (£353k).
By net assets it sits in the top quarter of 219 comparable companies in the UK (median £1,000, upper quartile £38k).
Key dates
- Incorporated
- 27 June 2003
- Next accounts due
- 28 June 2027 — in 252 days
- Confirmation statement due
- 11 July 2027 — in 265 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 28110
- Manufacture of engines and turbines, except aircraft, vehicle and cycle engines
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 28 September 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 September 2025 | £481k | £35k | £603k | — | — | — | 5 |
| 28 September 2024 | £353k | £54k | £505k | — | — | — | 5 |
- Cash per employee
- £7,029
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 76/100 (grade B)
- +10 Positive net assets — Net assets £480,538 at 2025-09-28
- +8 Net assets growing — +36.1% vs prior period
- +8 Established — Incorporated 2003-06-27 (23 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Mr Simon Douglas Armstrong — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 6 April 2016
- Mrs Joanne Armstrong — owns 25–50% of shares; holds 25–50% of voting rights · since 6 April 2016 · ceased 7 June 2022
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Northampton
Same activity (manufacture of engines and turbines, except aircraft, vehicle and cycle engines), closest in incorporation date.
- ILMOR ENGINEERING LIMITED — Northamptonshire, inc. Jun 2005
- MK PRECISION ENGINEERING LIMITED — Northampton, inc. Jun 2011
- HAYES RACE ENGINES LTD — Northampton, inc. Jul 2024
- P HOWES LIMITED — Daventry, inc. May 2025
Reminders for ULTIMATE PERFORMANCE LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.