- Companies
- Civil engineering
- Cardiff
- Miller Contractors (Wales) Limited
Miller Contractors (Wales) Limited
- Company number
- 03567730
- Incorporated
- 20 May 199828 years trading
- Registered office
- The Old Rectory, Bonvilston, Cardiff, Vale Of Glamorgan, CF5 6TQ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Miller Contractors (Wales) Limited is a 28-year-old private limited company registered in Cardiff, company number 03567730, one of 89 civil engineering contractors in Cardiff. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £784K (-71.8%) on the year before, to £308K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £892K owed within a year: 1.3 times cover.
- 18 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £308K | £598K | £1.2M | £892K | 18 |
| 31 Oct 2024 | £1.1M | £1.2M | £1.8M | £708K | 18 |
| 31 Oct 2023 | £1.2M | £1.4M | £1.9M | £638K | 18 |
| 31 Oct 2022 | £1.5M | £709K | £1.8M | £346K | 12 |
| 31 Oct 2021 | £1.5M | £155K | £1.9M | £452K | 19 |
| 31 Oct 2020 | £1.4M | £142K | £2.1M | £747K | 19 |
| 31 Oct 2019 | £1.4M | £166K | £2.2M | £782K | 19 |
| 31 Oct 2018 | £1.2M | £1.1M | £2.1M | £857K | |
| 31 Oct 2017 | £950K | £890K | £2M | £1.1M | |
| 31 Oct 2016 | £790K | £368K | £1.7M | £879K |
Where Miller Contractors (Wales) Limited is registered
The registered office is in Cardiff (CF5), in the Vale of Glamorgan local authority area, Wales. Show CF5 6TQ on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Miller Contractors (Wales) Limited.
- Rectory Homes (Wales) LimitedProperty developers
What happens if Miller Contractors (Wales) 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 03567730
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 1998 (28 years ago)
- Registered office
- The Old Rectory, Bonvilston, Cardiff, Vale Of Glamorgan, CF5 6TQ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 21 December 2025
- Charges (mortgages)
- 0 outstanding of 10 registered
- Previous names
- Andrew Miller Contractors Limited (until 8 Dec 2016)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Cardiff
Other active civil engineering contractors registered in Cardiff.
- NJP Consulting Engineers Limited2015
- Peachey Rail Ltd2018
- Penman Civil Engineering Limited2014
- PMS Building Consultants Limited2009
- Qcam Ltd2020
- R Matthews Contracting Limited2007
- Renew Construction Services Limited2022
- Rolling Stock Solutions Ltd.2014
All civil engineering contractors in Cardiff · All trades in Cardiff · Civil engineering across the UK
Frequently asked questions
When are Miller Contractors (Wales) Limited's accounts due?
Miller Contractors (Wales) Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Miller Contractors (Wales) Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Miller Contractors (Wales) Limited still trading?
Miller Contractors (Wales) 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 Miller Contractors (Wales) Limited do?
Miller Contractors (Wales) Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Miller Contractors (Wales) Limited?
Miller Contractors (Wales) Limited was incorporated on 20 May 1998, 28 years ago.
What is the penalty if Miller Contractors (Wales) 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 Miller Contractors (Wales) 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.