£2
No changevs Mar 2024Active13160010Private limited companyLondon
SI JB LIMITED
Significant control: Colin Butterworth (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Jb Limited sell?
Registered activity: Engineering related scientific and technical consulting activities (SIC 71122). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SI JB LIMITED is an active private limited company (company number 13160010) incorporated on 26 January 2021, registered in London. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest dormant accounts cover the period ending 31 March 2025, showing net assets of £2 and cash of £2. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 1,915 comparable companies in London (median £2,752, upper quartile £31k).
02
Ownership and control
- Mr Colin Butterworth
- owns 75–100% of shares
- holds 75–100% of voting rights
- Ms Sobea Irfan
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr James Bugler
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Spyros Panayiotis Spyrou
- 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
- 26 January 20215 yrs ago
- Next accounts due
- 31 December 2026in 67 days
- Confirmation statement due
- 9 February 2027in 107 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71122
- Engineering related scientific and technical consulting activities
- SIC 71129
- Other engineering activities
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
£2
No changevs Mar 2024Not reported
Not reported
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £2 | £2 | — | — | — | — | — |
| 31 March 2024 | £2 | £2 | — | — | — | — | — |
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 £2 at 31 March 2025
- Incorporated five or more years agoIncorporated 26 January 2021
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 107 days
- Next accounts duein 67 days
- Accounts period endNet assets £2 · dormant accounts
- Accounts period endNet assets £2 · dormant accounts
- Incorporated
08
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All companies incorporated on 26 January 2021 · in Jan 2021.
09
Reminders for SI JB LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.