- Companies
- Builders
- Birmingham
- ZMK Builders Ltd
ZMK Builders Ltd
- Company number
- 08224737
- Incorporated
- 21 Sep 201214 years trading
- Registered office
- 97 Fairholme Road, Birmingham, B36 8HL
- Nature of business
- Construction of domestic buildings
ZMK Builders Ltd is a 14-year-old private limited company registered in Birmingham, company number 08224737, one of 1,142 building contractors in Birmingham. Its next accounts are due at Companies House on 29 June 2027, and the CT600 for the period to 29 September 2026 is due at HMRC on 29 September 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 up £818 (+23%) on the year before, to £4,382.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £3,189 against £12K owed within a year: 0.3 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Sep 2025 | £4,382 | £3,189 | £12K | 3 | |
| 29 Sep 2024 | £3,564 | £16K | £20K | 3 | |
| 30 Sep 2023 | £4,014 | £4,530 | £5,582 | 4 | |
| 29 Sep 2022 | £134 | £9,211 | £6,848 | 3 | |
| 30 Sep 2021 | £620 | £11K | £13K | £8,241 | 0 |
| 30 Sep 2020 | £8,871 | £15K | £15K | £12K | 4 |
| 1 Oct 2019 | £8,470 | £11K | £3,799 | 3 | |
| 30 Sep 2019 | £8,470 | £159 | £11K | £3,799 | 4 |
| 1 Oct 2018 | £7,286 | £14K | £8,170 | ||
| 1 Oct 2017 | £4,630 | £11K | £8,817 |
Where ZMK Builders Ltd is registered
The registered office is in Birmingham (B36), in the Birmingham local authority area, West Midlands. Show B36 8HL on a map.
Other trade companies in B36
- CSB Watson Property Improvements LtdFinishing trades
- Nest Energy LtdPlumbers and heating engineers
- Corecare Property Service LimitedCleaning companies
- Harleys Autos LtdMechanics and garages
- Divine Rail LtdProperty developers
- Apm FM LtdJoiners and carpenters
- Apex Car Selection LtdMotor traders
- 3 Kings Automotives LtdMotor traders
What happens if ZMK Builders 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 29 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jun 2027 to 29 Jul 2027 | £150 |
| 1 to 3 months late | 30 Jul 2027 to 29 Sep 2027 | £375 |
| 3 to 6 months late | 30 Sep 2027 to 29 Dec 2027 | £750 |
| More than 6 months late | From 30 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Sep 2027 | £200 |
| 3 months late | 29 Dec 2027 | another £200 |
| 6 months late | 29 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Sep 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
- 08224737
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2012 (14 years ago)
- Registered office
- 97 Fairholme Road, Birmingham, B36 8HL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 29 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 September 2025
- Last confirmation statement
- 10 May 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 Birmingham
Other active building contractors registered in Birmingham.
- Zone (Plant Hire) Limited2011
- Zone Construction Limited2010
- Zone Plant Training Services Limited1997
- Zorawar Construction Ltd2024
- ZR Builders Limited2023
- ZS Property Renovation Limited2025
- Zsa Construct Limited2025
- 24H Maintenance Ltd2025
All building contractors in Birmingham · All trades in Birmingham · Builders across the UK
Frequently asked questions
When are ZMK Builders Ltd's accounts due?
ZMK Builders Ltd's next accounts are due at Companies House by 29 June 2027 (in 260 days), covering the period to 29 September 2026.
When is ZMK Builders Ltd's CT600 due?
The CT600 for the period to 29 September 2026 is due at HMRC by 29 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 June 2027.
Is ZMK Builders Ltd still trading?
ZMK Builders 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 ZMK Builders Ltd do?
ZMK Builders Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is ZMK Builders Ltd?
ZMK Builders Ltd was incorporated on 21 September 2012, 14 years ago.
What is the penalty if ZMK Builders 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 ZMK Builders 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.