- Companies
- Specialist contractors
- Kingswinford
- Mainline Surfacing Ltd
Company profile · Specialist contractors
Mainline Surfacing Ltd
Mainline Surfacing Ltd is a 1-year-old private limited company registered in Kingswinford, company number 16149885, one of 60 specialist construction companies in Kingswinford. Its next accounts are due at Companies House on 5 January 2028, and the CT600 for the period to 5 April 2027 is due at HMRC on 5 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Mainline Surfacing LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 5 April 2026, as filed at Companies House.
Where Mainline Surfacing Ltd is registered
The registered office is in Kingswinford (DY6), in the Dudley local authority area, West Midlands. Show DY6 8NZ on a map.
Other trade companies in DY6
- KP Utilities LtdCivil engineering
- L&J Pipelines LtdSpecialist contractors
- Avey Construction LimitedBuilders
- V&V Pipelines LtdSpecialist contractors
- Birmingham No 1 LimitedProperty developers
- CJ Pipeline Services LtdSpecialist contractors
- Kingswinford Maxus LtdMechanics and garages
- Zap Electrical Systems LtdElectricians
What happens if Mainline Surfacing 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 5 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2028 to 5 Feb 2028 | £150 |
| 1 to 3 months late | 6 Feb 2028 to 5 Apr 2028 | £375 |
| 3 to 6 months late | 6 Apr 2028 to 5 Jul 2028 | £750 |
| More than 6 months late | From 6 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2028 | £200 |
| 3 months late | 5 Jul 2028 | another £200 |
| 6 months late | 5 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- 16149885
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2024 (1 year ago)
- Registered office
- 56 Tiverton Close, Kingswinford, West Midlands, DY6 8NZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 5 April 2026
- Last confirmation statement
- 22 December 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Kingswinford
Other active specialist construction companies registered in Kingswinford.
- Mason Building & Civils Limited2022
- Masterstone Driveways & Patios Ltd2025
- Masterstone Driveways Ltd2026
- Millard Utilities Limited2024
- Nathan Dyke Ltd2024
- Nettsafe Ltd2017
- Open Protocol Technology Limited2008
- P Rushton Building Contractors Ltd2021
All specialist construction companies in Kingswinford · All trades in Kingswinford · Specialist contractors across the UK
Frequently asked questions
When are Mainline Surfacing Ltd's accounts due?
Mainline Surfacing Ltd's next accounts are due at Companies House by 5 January 2028 (in 450 days), covering the period to 5 April 2027.
When is Mainline Surfacing Ltd's CT600 due?
The CT600 for the period to 5 April 2027 is due at HMRC by 5 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2028.
Is Mainline Surfacing Ltd still trading?
Mainline Surfacing 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 Mainline Surfacing Ltd do?
Mainline Surfacing Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mainline Surfacing Ltd?
Mainline Surfacing Ltd was incorporated on 23 December 2024, 1 year ago.
What is the penalty if Mainline Surfacing 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 Mainline Surfacing 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.