- Companies
- Builders
- Birmingham
- Prime Security Group Ltd.
Prime Security Group Ltd.
- Company number
- 14629144
- Incorporated
- 31 Jan 20233 years trading
- Registered office
- Grosvenor House, 11 ST. Paul's Square, Birmingham, B3 1RB
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Private security activities
Prime Security Group Ltd. is a 3-year-old private limited company registered in Birmingham, company number 14629144, one of 1,142 building contractors in Birmingham. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 £41K (+221.9%) on the year before, to £60K.
- Current assets of £550 against £4,251 owed within a year: 0.1 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £60K | £178 | £550 | £4,251 | 1 |
| 31 Jan 2025 | £18K | £5,954 | £13K | £4,898 | 2 |
| 31 Jan 2024 | £13K | £11K | £13K | £2,023 | 0 |
Where Prime Security Group Ltd. is registered
The registered office is in Birmingham (B3), in the Birmingham local authority area, West Midlands. Show B3 1RB on a map.
Other trade companies in B3
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- Studio Edge LtdInstallers
Shared registered office
40 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 Prime Security Group 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14629144
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2023 (3 years ago)
- Registered office
- Grosvenor House, 11 ST. Paul's Square, Birmingham, B3 1RB
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Private security activities (SIC 80100) - Year end
- 31 January (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 19 May 2026
- Previous names
- Prime Secuirity Group Ltd (until 31 Mar 2023)
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 Birmingham
Other active building contractors registered in Birmingham.
- Probuild 360 New Homes Limited2014
- Profesional Solution Ltd2023
- Professional Ventilation Ltd2020
- Profix Group Ltd2025
- Progas 247 Ltd2022
- Promaester Ltd2019
- Property Maintenance & Contractors Ltd2020
- Property Preservation Contractors Ltd2018
All building contractors in Birmingham · All trades in Birmingham · Builders across the UK
Frequently asked questions
When are Prime Security Group Ltd.'s accounts due?
Prime Security Group Ltd.'s next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Prime Security Group Ltd.'s CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Prime Security Group Ltd. still trading?
Prime Security Group 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 Prime Security Group Ltd. do?
Prime Security Group Ltd. is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Private security activities (SIC 80100).
How old is Prime Security Group Ltd.?
Prime Security Group Ltd. was incorporated on 31 January 2023, 3 years ago.
What is the penalty if Prime Security Group 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 Prime Security Group 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.