£1.09m
+4%vs Oct 2024Active05269987Private limited companyGuildford
IO1 LIMITED
Significant control: Jonathan Mark Russell (25–50%), John Fintan Galvin (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Business and domestic software development (SIC 62012). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
IO1 LIMITED is an active private limited company (company number 05269987) incorporated on 26 October 2004, registered in Guildford. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 October 2025, showing net assets of £1.09m and cash of £375k, with 2 employees on average. Net assets rose 4% on the prior period (£1.05m).
Peer position · net assets
By net assets it sits in the top quarter of 1,051 comparable companies in Surrey (median £1,417, upper quartile £40k).
02
Ownership and control
- Mr Jonathan Mark Russell
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr John Fintan Galvin
- owns 25–50% of shares
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
- 26 October 200421 yrs ago
- Next accounts due
- 31 July 2027in 280 days
- Confirmation statement due
- 9 November 2026in 16 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 62012
- Business and domestic software development
- SIC 62020
- Information technology consultancy activities
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£375k
−8%vs Oct 2024Not reported
2
No changevs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £1.09m | £375k | £582k | £13k | — | — | 2 |
| 31 October 2024 | £1.05m | £408k | £539k | £0 | — | — | 2 |
Current ratio72.79Current assets ÷ creditors within one year
Cash per employee£187kCash ÷ 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 £1,093,938 at 31 October 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 72.79
- Cash at bank of £50,000 or moreCash £374,680
- Incorporated five or more years agoIncorporated 26 October 2004
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
- Next accounts duein 280 days
- Confirmation statement duein 16 days
- Accounts period endNet assets £1.09m · small accounts
- Accounts period endNet assets £1.05m · small accounts
- Incorporated
08
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- I I 10 CONSULTANCY LIMITEDFleet · inc. Oct 2004
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- INFOTEK SOFTWARE LTDHaywards Heath · inc. Aug 2004
- DIGITAL BREEZE LIMITEDPetersfield · inc. Jan 2005
- ASTON READ LIMITEDWoking · inc. Jan 2005
All companies incorporated on 26 October 2004 · in Oct 2004.
09
Reminders for IO1 LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.