£230
vs May 2024Active08477202Private limited companyBicester
ENGINEERING RATIONALE LIMITED
Significant control: Jrl3g Holdings Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Engineering Rationale Limited sell?
Registered activity: Other research and experimental development on natural sciences and engineering (SIC 72190). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
ENGINEERING RATIONALE LIMITED is an active private limited company (company number 08477202) incorporated on 8 April 2013, registered in Bicester. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest micro accounts cover the period ending 31 May 2025, showing net assets of £230, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 102% on the prior period (−£11k).
Peer position · net assets
By net assets it sits in the lower half of 124 comparable companies in Oxford (median £954, upper quartile £58k).
02
Ownership and control
- Jrl3g Holdings Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Jrl3g Holdings Limited
- owns 50–75% of shares
- holds 50–75% of voting rights
- Mr David Malcolm Tyson
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
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
- 8 April 201313 yrs ago
- Next accounts due
- 28 February 2027in 128 days
- Confirmation statement due
- 22 April 2027in 181 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs May 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £230 | — | — | — | — | — | 2 |
| 31 May 2024 | −£11k | — | — | — | — | — | 2 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £230 at 31 May 2025
- Net assets up 10% or more on the prior period+102.2% vs prior period
- Incorporated five or more years agoIncorporated 8 April 2013
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 181 days
- Next accounts duein 128 days
- Accounts period endNet assets £230 · micro accounts
- Accounts period endNet liabilities £11k · micro accounts
- Incorporated
08
Similar companies in Oxford
- TOKAMAK SOLUTIONS EBT LIMITEDAbingdon · inc. Apr 2013
- REDSLIM LIMITEDOxford · inc. May 2013
- NEURO-BIO LTDAbingdon · inc. Jun 2013
- AM SURFACE TECHNOLOGIES LIMITEDDidcot · inc. Jul 2013
- JP BUCKLEY AERODYNAMICS LIMITEDOxford · inc. Jul 2013
- OX0C ENERGY TECH LIMITEDOxford · inc. Aug 2013
All companies incorporated on 8 April 2013 · in Apr 2013.
09
Reminders for ENGINEERING RATIONALE LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.