£7,188
+490%vs Apr 2024Active10743346Private limited companyHarwich
SDB SIGNALLING LIMITED
Significant control: Samuel William Thomas Dunning-Blake (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Sdb Signalling Limited 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
SDB SIGNALLING LIMITED is an active private limited company (company number 10743346) incorporated on 27 April 2017, registered in Harwich. Its registered activity is construction of railways and underground railways (SIC 42120). Latest micro accounts cover the period ending 30 April 2025, showing net assets of £7,188, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 490% on the prior period (£1,219).
Peer position · net assets
By net assets it sits in the upper half of 120 comparable companies in Essex (median £2,434, upper quartile £15k).
02
Ownership and control
- Mr Samuel William Thomas Dunning-Blake
- owns 75–100% of shares
- owns 75–100% of shares
- owns 75–100% of shares
- holds 75–100% of voting rights
- holds 75–100% of voting rights
- holds 75–100% of voting rights
- can appoint or remove directors
- has significant influence or control
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
- 27 April 20179 yrs ago
- Next accounts due
- 30 January 2027in 98 days
- Confirmation statement due
- 11 May 2027in 199 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
Not disclosed
1
No changevs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | £7,188 | — | — | — | — | — | 1 |
| 30 April 2024 | £1,219 | — | — | — | — | — | 1 |
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 £7,188 at 30 April 2025
- Net assets up 10% or more on the prior period+489.7% vs prior period
- Incorporated five or more years agoIncorporated 27 April 2017
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 199 days
- Next accounts duein 98 days
- Accounts period endNet assets £7,188 · micro accounts
- Accounts period endNet assets £1,219 · micro accounts
- Incorporated
08
Similar companies in Essex
- MONSTER MAN ENGINEERING LTDColchester · inc. Apr 2017
- CHK RAIL SOLUTIONS LTDColchester · inc. Apr 2017
- ALDGATE MANOR SERVICES LTDColchester · inc. Apr 2017
- KITCHENER ENGINEERING LTDClacton-On-Sea · inc. May 2017
- POPDEN LTDMaldon · inc. Mar 2017
- ROBERTS & SALE CONSTRUCTION (UK) LTDBasildon · inc. Jun 2017
All companies incorporated on 27 April 2017 · in Apr 2017.
09
Reminders for SDB SIGNALLING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.