- Companies
- Installers
- Rotherham
- Assembi Security Bars Ltd
Assembi Security Bars Ltd
- Company number
- 10767258
- Incorporated
- 12 May 20179 years trading
- Registered office
- 24-30 Mansfield Road, Rotherham, South Yorkshire, S60 2DT
- Nature of business
- Other construction installation
Assembi Security Bars Ltd is a 9-year-old private limited company registered in Rotherham, company number 10767258, one of 116 installation companies (insulation, lifts, shutters and similar) in Rotherham. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £7,346 (+98.4%) on the year before, to £15K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £39K against £26K owed within a year: 1.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £15K | £523 | £39K | £26K | 0 |
| 31 Mar 2025 | £7,468 | £664 | £16K | £10K | 0 |
| 31 Mar 2024 | £10K | £20K | £52K | £43K | 1 |
| 31 Mar 2023 | £3,273 | £7,358 | £29K | £29K | 2 |
| 31 Mar 2022 | £1,228 | £19K | £21K | 2 | |
| 31 Mar 2021 | £6,193 | £29K | £27K | 2 | |
| 31 Mar 2020 | £12K | £27K | £23K | 2 | |
| 31 Mar 2019 | £1,542 | £17K | £16K | ||
| 31 Mar 2018 | -£2,695 | £971 | £3,666 |
Who runs and owns Assembi Security Bars Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| A*** A*** | Director | May 2017 |
| A*** A*** | Secretary | May 2017 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** M*** | Director | May 2017 | Mar 2020 |
People with significant control (2)
Where Assembi Security Bars Ltd is registered
The registered office is in Rotherham (S60), in the Rotherham local authority area, Yorkshire and The Humber. Show S60 2DT on a map.
Other trade companies in S60
- West Joinery & Building LtdBuilders
- Forgepoint Fire and Security LtdElectricians
- Mafmaint LtdSpecialist contractors
- Yorkshire Commercial Valeting LtdCleaning companies
- Down and Out Motorcycles 2026 LtdMotor traders
- Shemeld Properties LtdProperty developers
- Fusion Electrical Yorkshire LimitedElectricians
- Cleancold Environment LimitedInstallers
Also registered at this address
4 other companies use the same registered office as Assembi Security Bars Ltd.
- RCD Contracting LimitedMotor traders
- Tom Bradshaw + Co. LtdFinishing trades
- Ventromade LimitedProperty developers
- Walton Brickwork Solutions LtdBuilders
What happens if Assembi Security Bars 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 10767258
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2017 (9 years ago)
- Registered office
- 24-30 Mansfield Road, Rotherham, South Yorkshire, S60 2DT
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 11 May 2026
- Previous names
- The Front Door Company (UK) Ltd (until 10 Apr 2018)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Rotherham
Other active installation companies (insulation, lifts, shutters and similar) registered in Rotherham.
- At Drylining Limited2022
- Aura & Earth Ltd2026
- Be Warm UK Ltd2026
- Bear GRP Ltd2023
- Bravo Fire Ltd2025
- C&L Windows Yorkshire Limited2023
- Cabin Centre Hire & Sales Ltd2020
- Chace Door Solutions Ltd2024
All installation companies (insulation, lifts, shutters and similar) in Rotherham · All trades in Rotherham · Installers across the UK
Frequently asked questions
When are Assembi Security Bars Ltd's accounts due?
Assembi Security Bars Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Assembi Security Bars Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Assembi Security Bars Ltd still trading?
Assembi Security Bars 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 Assembi Security Bars Ltd do?
Assembi Security Bars Ltd is registered under Other construction installation (SIC 43290).
How old is Assembi Security Bars Ltd?
Assembi Security Bars Ltd was incorporated on 12 May 2017, 9 years ago.
Who runs Assembi Security Bars Ltd?
Assembi Security Bars Ltd has 1 active director, the longest-serving appointed in May 2017. Their names and service addresses are on the Companies House register.
Who owns Assembi Security Bars Ltd?
2 people or companies have significant control of Assembi Security Bars Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Assembi Security Bars 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 Assembi Security Bars 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.