£1,225
−96%vs Sept 2024Active11569384Private limited companyNorthwood
PROTEUS MAINTENANCE LIMITED
Significant control: Martin James Boultwood (50–75%), Zoe Hannah Boultwood (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Electrical installation (SIC 43210). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
PROTEUS MAINTENANCE LIMITED is an active private limited company (company number 11569384) incorporated on 14 September 2018, registered in Northwood. Its registered activity is electrical installation (SIC 43210). Latest small accounts cover the period ending 30 September 2025, showing net assets of £1,225 and cash of £100, with 1 employee on average. Net assets fell 96% on the prior period (£32k). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the lower half of 4,199 comparable companies in Greater London (median £5,863, upper quartile £31k).
02
Ownership and control
- Mr Martin James Boultwood
- owns 50–75% of shares
- holds 50–75% of voting rights
- Mrs Zoe Hannah Boultwood
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 14 September 20188 yrs ago
- Next accounts due
- 30 June 2027in 249 days
- Confirmation statement due
- 28 September 2027in 339 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43210
- Electrical installation
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£100
No changevs Sept 2024Not reported
1
No changevs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £1,225 | £100 | £40k | £39k | — | — | 1 |
| 30 September 2024 | £32k | £100 | £61k | £30k | — | — | 1 |
| 30 September 2023 | £2,675 | £10k | £5,625 | £15k | — | — | 1 |
Current ratio1.03Current assets ÷ creditors within one year
Cash per employee£100Cash ÷ 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 £1,225 at 30 September 2025
- Net assets down 25% or more on the prior period-96.2% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 14 September 2018
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 339 days
- Next accounts duein 249 days
- Accounts period endNet assets £1,225 · small accounts
- Accounts period endNet assets £32k · small accounts
- Accounts period endNet assets £2,675 · small accounts
- Incorporated
08
Similar companies in Greater London
- VT SPARX LTDRomford · inc. Sept 2018
- SWYTCH SMART LIMITEDDartford · inc. Sept 2018
- MSMITH ELECTRICAL SERVICES LIMITEDWeybridge · inc. Sept 2018
- MRM ELECTRICAL CONTRACTORS LIMITEDBromley · inc. Sept 2018
- ADVANCE FIRE INSTALLATIONS LTDChertsey · inc. Sept 2018
- RCL ENTERPRISE LIMITEDNortholt · inc. Sept 2018
All companies incorporated on 14 September 2018 · in Sept 2018.
09
Reminders for PROTEUS MAINTENANCE LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.