- Company number
- 13435738
- Incorporated
- 3 Jun 20215 years trading
- Registered office
- 19 Bedale Road, Romford, RM3 9TU
- Nature of business
- Construction of domestic buildings; Other construction installation
Simbog Ltd is a 5-year-old private limited company registered in Romford, company number 13435738, one of 911 building contractors in Romford. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Simbog LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £12K (+34.8%) on the year before, to £46K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £68K against £22K owed within a year: 3.1 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £46K | £68K | £22K | 3 | |
| 30 Jun 2025 | £34K | £52K | £18K | 2 | |
| 30 Jun 2024 | £4,899 | £12K | £7,468 | 2 | |
| 30 Jun 2023 | £2,689 | £9,580 | 1 | ||
| 30 Jun 2022 | £669 | £6,353 | £5,684 | 1 |
Who runs and owns Simbog Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** S*** | Director | Jun 2021 |
Person with significant control
Where Simbog Ltd is registered
The registered office is in Romford (RM3), in the Havering local authority area, London. Show RM3 9TU on a map.
Other trade companies in RM3
- Complete Solar Power LtdRoofers
- Emirate Fire and Security (Passive) LimitedInstallers
- Gamma Lifts LimitedInstallers
- Acc Mep LtdInstallers
- Fav Construction LimitedInstallers
- Zelda Cleaning Services LtdCleaning companies
- Hutton Heating and Air Conditioning LtdPlumbers and heating engineers
- Perfect Build Management LtdSpecialist contractors
What happens if Simbog Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 13435738
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 June 2021 (5 years ago)
- Registered office
- 19 Bedale Road, Romford, RM3 9TU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 2 June 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Romford
Other active building contractors registered in Romford.
- SJB Building & Development Contractors Ltd2010
- Skilled Carpentry Limited2022
- Sky Dream Construction Ltd2025
- Sky Facades Installation Ltd2016
- Sky Grom Limited2013
- SLRV Ltd2014
- SM Build&Design Limited2026
- SMD Top Build Ltd2026
All building contractors in Romford · All trades in Romford · Builders across the UK
Frequently asked questions
When are Simbog Ltd's accounts due?
Simbog Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Simbog Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Simbog Ltd still trading?
Simbog Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Simbog Ltd do?
Simbog Ltd is registered under Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Simbog Ltd?
Simbog Ltd was incorporated on 3 June 2021, 5 years ago.
Who runs Simbog Ltd?
Simbog Ltd has 1 active director, the longest-serving appointed in Jun 2021. Their names and service addresses are on the Companies House register.
Who owns Simbog Ltd?
One person or company has significant control of Simbog Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Simbog Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Simbog Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.