£15k
−35%vs Jun 2024Active09647387Private limited companyLondon
SI BZ SERVICES LIMITED
Significant control: Simon Keith Brown (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Si Bz Services 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
SI BZ SERVICES LIMITED is an active private limited company (company number 09647387) incorporated on 19 June 2015, registered in London. Its registered activity is construction of railways and underground railways (SIC 42120). Latest micro accounts cover the period ending 30 June 2025, showing net assets of £15k, 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 fell 35% on the prior period (£23k).
Peer position · net assets
By net assets it sits in the top quarter of 363 comparable companies in London (median £2,288, upper quartile £9,896).
02
Ownership and control
- Mr Simon Keith Brown
- owns 75–100% 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
- 19 June 201511 yrs ago
- Next accounts due
- 30 March 2027in 154 days
- Confirmation statement due
- 3 July 2027in 249 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 Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £15k | — | — | — | — | — | 1 |
| 30 June 2024 | £23k | — | — | — | — | — | 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 £14,911 at 30 June 2025
- Net assets down 25% or more on the prior period-35.5% vs prior period
- Incorporated five or more years agoIncorporated 19 June 2015
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 249 days
- Next accounts duein 154 days
- Accounts period endNet assets £15k · micro accounts
- Accounts period endNet assets £23k · micro accounts
- Incorporated
08
Similar companies in London
- ONWARD CONSTRUCTION COMPANY LTDLondon · inc. Jun 2015
- TONY OWUSU LTDLondon · inc. Jun 2015
- AMAKYE LIMITEDLondon · inc. Jun 2015
- IBRAHIM ABUBAKAR LIMITEDLondon · inc. Jul 2015
- PORAH SERVICES LIMITEDLondon · inc. Jul 2015
- CROSSRAIL 2 LIMITEDLondon · inc. May 2015
All companies incorporated on 19 June 2015 · in Jun 2015.
09
Reminders for SI BZ SERVICES LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.