- Company number
- 00860524
- Incorporated
- 4 Oct 196561 years trading
- Registered office
- B1 Vantage Park Old Gloucester Road, Hambrook, Bristol, BS16 1GW
- Nature of business
- Construction of commercial buildings; Other letting and operating of own or leased real estate
Certain Security Limited is a 61-year-old private limited company registered in Bristol, company number 00860524, one of 809 building contractors in Bristol. 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.
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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 down £58K (-5.2%) on the year before, to £1.1M.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £60K against £526K owed within a year: 0.1 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1.1M | £4,380 | £60K | £526K | 3 |
| 30 Jun 2024 | £1.1M | £29K | £161K | £541K | 3 |
| 30 Jun 2023 | £1.1M | £105K | £210K | £551K | 3 |
| 30 Jun 2022 | £1.1M | £223K | £248K | £591K | 3 |
| 30 Jun 2021 | £1.3M | £431K | £460K | £665K | 2 |
| 30 Jun 2020 | £1.7M | £60K | £599K | £742K | 3 |
| 30 Jun 2019 | £1.6M | £13K | £470K | £618K | 3 |
| 30 Jun 2018 | £1.5M | £208K | £247K | £698K | 3 |
| 30 Jun 2017 | £1.5M | £450K | £490K | £865K | 3 |
| 30 Jun 2016 | £1.3M | £31K | £90K | £897K |
Who runs and owns Certain Security Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| D*** H*** | Director | before Dec 1990 |
| J*** H*** | Director | before Dec 1990 |
4 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| D*** H*** | Secretary | Dec 1992 | Jan 2015 |
| M*** H*** | Secretary | Dec 1992 | |
| M*** H*** | Director | Oct 2015 | |
| R*** H*** | Director | May 2014 |
People with significant control (2)
Charges (secured borrowing)
All 25 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| HSBC Bank PLC | Satisfied Oct 2015 | Jan 2005 |
| HSBC Bank PLC | Satisfied Oct 2015 | Jun 2004 |
| HSBC Bank PLC | Satisfied Oct 2015 | Jan 2003 |
| HSBC Bank PLC | Satisfied Oct 2015 | Jan 2003 |
| HSBC Bank PLC | Satisfied Oct 2015 | Jul 2002 |
| Ucb Bank PLC | Satisfied Mar 2003 | Aug 1997 |
| Ucb Bank PLC | Satisfied Mar 2003 | Aug 1997 |
| Ucb Bank PLC | Satisfied Mar 2003 | Aug 1997 |
| Ucb Bank PLC | Satisfied Mar 2003 | Aug 1997 |
| Ucb Bank PLC | Satisfied Mar 2003 | Aug 1997 |
| Ucb Bank PLC | Satisfied Mar 2003 | Aug 1997 |
| Ucb Bank PLC | Satisfied Mar 2003 | Aug 1997 |
| Midland Bank PLC | Satisfied Jan 2003 | Aug 1995 |
| Midland Bank PLC | Satisfied Jan 2003 | Aug 1995 |
| Ucb Bank PLC | Satisfied Mar 2003 | Jul 1990 |
| Ucb Bank PLC | Satisfied Mar 2003 | Jul 1990 |
| Ucb Bank PLC | Satisfied Mar 2003 | Jul 1990 |
| Midland Bank PLC | Satisfied Jan 2003 | Oct 1989 |
| Midland Bank PLC | Satisfied Jan 2003 | Oct 1989 |
| Midland Bank PLC | Satisfied Jan 2003 | Jun 1988 |
| Midland Bank PLC | Satisfied Jan 2003 | Dec 1987 |
| Midland Bank PLC | Satisfied Jan 2003 | Dec 1987 |
| Allied Dunbar Assurance PLC | Satisfied Jan 2003 | Dec 1987 |
| Midland Bank PLC | Satisfied Sep 1998 | Dec 1987 |
| National Westminster Bank PLC | Satisfied | Mar 1987 |
Where Certain Security Limited is registered
The registered office is in Bristol (BS16), in the South Gloucestershire local authority area, South West. Show BS16 1GW on a map.
Other trade companies in BS16
- Rashmond Property Services LtdFinishing trades
- Sarayhan68 LtdProperty developers
- THK Estates LtdProperty developers
- Crownstone Property Partners LtdProperty developers
- Velmora Support LtdCleaning companies
- Parkstone Roofing & Building LtdRoofers
- Electrical Services South West LimitedElectricians
- Roots to Ridges Landscapes and Build LimitedLandscapers and gardeners
Shared registered office
31 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Certain Security Limited 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
- 00860524
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 October 1965 (61 years ago)
- Registered office
- B1 Vantage Park Old Gloucester Road, Hambrook, Bristol, BS16 1GW
- Nature of business
- Construction of commercial buildings (SIC 41201)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 31 December 2025
- Charges (mortgages)
- 0 outstanding of 29 registered
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 Bristol
Other active building contractors registered in Bristol.
- CFMR Ltd2025
- CGV Group Ltd2026
- Chameleon Group Bristol Limited2023
- Chapel Hill Homes (Ashgrove) Limited2022
- Chapel Hill Homes (Backwell) Limited2022
- Chapel Hill Homes (BD) Limited2021
- Chapel Hill Homes (Bletchingley) Limited2022
- Chapel Hill Homes (Hopwoods) Limited2021
All building contractors in Bristol · All trades in Bristol · Builders across the UK
Frequently asked questions
When are Certain Security Limited's accounts due?
Certain Security Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Certain Security Limited'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 Certain Security Limited still trading?
Certain Security Limited 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 Certain Security Limited do?
Certain Security Limited is registered under Construction of commercial buildings (SIC 41201); Other letting and operating of own or leased real estate (SIC 68209).
How old is Certain Security Limited?
Certain Security Limited was incorporated on 4 October 1965, 61 years ago.
Who runs Certain Security Limited?
Certain Security Limited has 2 active directors. Their names and service addresses are on the Companies House register.
Who owns Certain Security Limited?
2 people or companies have significant control of Certain Security Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Certain Security Limited 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 Certain Security Limited 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.