- Company number
- 17096817
- Incorporated
- 17 Mar 2026
- Registered office
- 16 Holland Road, Abingdon, OX14 1PH
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing; Other specialised construction activities n.e.c.
MRK Buildco Ltd is a newly incorporated private limited company registered in Abingdon, company number 17096817, one of 64 building contractors in Abingdon. Its next accounts are due at Companies House on 17 December 2027, and its first CT600 is due at HMRC on 16 March 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where MRK Buildco Ltd is registered
The registered office is in Abingdon (OX14), in the Vale of White Horse local authority area, South East. Show OX14 1PH on a map.
Other trade companies in OX14
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- Flamingo Recovery LimitedMotor traders
- Abingdon MOT Centre LimitedMechanics and garages
- Oxford Air Holdings LimitedPlumbers and heating engineers
- George&Co.Estates LtdProperty developers
- Pym's Landscaping LimitedLandscapers and gardeners
- Christian Lucy Home & Property Services LtdBuilders
- Don Clean LimitedCleaning companies
What happens if MRK Buildco 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 17 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Dec 2027 to 17 Jan 2028 | £150 |
| 1 to 3 months late | 18 Jan 2028 to 17 Mar 2028 | £375 |
| 3 to 6 months late | 18 Mar 2028 to 17 Jun 2028 | £750 |
| More than 6 months late | From 18 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17096817
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 2026
- Registered office
- 16 Holland Road, Abingdon, OX14 1PH
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
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 Abingdon
Other active building contractors registered in Abingdon.
- Muca General Builders Ltd2024
- Myter Construction Ltd2022
- Oxford Drylining Ltd2016
- Oxfordshire Building & Stoves Limited2017
- Parklaine Ltd2020
- Perfect Buid Ltd2022
- Perry Group Limited2016
- Peter L Mansbridge & Son Limited2004
All building contractors in Abingdon · All trades in Abingdon · Builders across the UK
Frequently asked questions
When are MRK Buildco Ltd's accounts due?
MRK Buildco Ltd's next accounts are due at Companies House by 17 December 2027 (in 430 days), covering the period to 31 March 2027.
When is MRK Buildco Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 16 March 2027, due by 16 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is MRK Buildco Ltd still trading?
MRK Buildco 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 MRK Buildco Ltd do?
MRK Buildco Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is MRK Buildco Ltd?
MRK Buildco Ltd was incorporated on 17 March 2026, less than a year ago.
What is the penalty if MRK Buildco 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 MRK Buildco 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.