£1,500
−6%vs Aug 2024Active14280299Private limited companyMarch
CRITICAL INFRASTRUCTURE SERVICES LTD
Significant control: Stephanie Mary Jean Littler (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Critical Infrastructure Services Ltd sell?
Registered activity: Construction of railways and underground railways (SIC 42120). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CRITICAL INFRASTRUCTURE SERVICES LTD is an active private limited company (company number 14280299) incorporated on 5 August 2022, registered in March. Its registered activity is construction of railways and underground railways (SIC 42120). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £1,500, with 6 employees on average. Turnover was £28k and profit for the year £14k. Net assets fell 6% on the prior period (£1,600).
Peer position · net assets
By net assets it sits in the lower half of 177 comparable companies in Other (median £6,715, upper quartile £24k).
02
Ownership and control
- Ms Stephanie Mary Jean Littler
- owns 75–100% of shares
- holds 75–100% 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
- 5 August 20224 yrs ago
- Next accounts due
- 31 May 2027in 220 days
- Confirmation statement due
- 19 August 2027in 300 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 42120
- Construction of railways and underground railways
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
£28k
−45%vs Aug 20246
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £1,500 | — | — | £0 | £28k | £14k | 6 |
| 31 August 2024 | £1,600 | — | — | £0 | £51k | £11k | — |
Net margin50.4%Profit for the year ÷ turnover
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 £1,500 at 31 August 2025
- Incorporated two to five years agoIncorporated 5 August 2022
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 300 days
- Next accounts duein 220 days
- Accounts period endNet assets £1,500 · micro accounts
- Accounts period endNet assets £1,600 · micro accounts
- Incorporated
08
Similar companies in the UK
- ECS AMERICAS LTDSandbach · inc. Aug 2022
- MJE (S&T) LTDStoke-On-Trent · inc. Jul 2022
- OMEGA SIGNALLING LTD.Norwich · inc. Sept 2022
- ONTRAC CONSULTANCY SERVICES LTDGloucester · inc. Jun 2022
- TRACK CIVIL ENGINEERING SOLUTIONS LTDKilmarnock · inc. Jun 2022
- MASSEY SIGNALLING LTDRhyl · inc. Sept 2022
All companies incorporated on 5 August 2022 · in Aug 2022.
09
Reminders for CRITICAL INFRASTRUCTURE SERVICES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.