- Company number
- 16244513
- Incorporated
- 11 Feb 20251 year trading
- Registered office
- 2 the Pied Horse, Hatfield Road, Slough, SL1 1QE
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Melsi Ltd is a 1-year-old private limited company registered in Slough, company number 16244513, one of 683 building contractors in Slough. Its next accounts are due at Companies House on 11 November 2026, and its first CT600 is due at HMRC on 10 February 2027.
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 Melsi Ltd is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 1QE on a map.
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What happens if Melsi 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 11 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Nov 2026 to 11 Dec 2026 | £150 |
| 1 to 3 months late | 12 Dec 2026 to 11 Feb 2027 | £375 |
| 3 to 6 months late | 12 Feb 2027 to 11 May 2027 | £750 |
| More than 6 months late | From 12 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16244513
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2025 (1 year ago)
- Registered office
- 2 the Pied Horse, Hatfield Road, Slough, SL1 1QE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 February 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 Slough
Other active building contractors registered in Slough.
- Metro Builders & Driveways Limited2023
- MH1 Construction Limited2016
- Mickybros Construction Limited2019
- Mikeson Construction Ltd2016
- Mixirokofeler Ltd2020
- MK Dhillon Construction Ltd2025
- Mkde Ltd2026
- MM Property Maintenance Ltd2019
All building contractors in Slough · All trades in Slough · Builders across the UK
Frequently asked questions
When are Melsi Ltd's accounts due?
Melsi Ltd's next accounts are due at Companies House by 11 November 2026 (in 30 days), covering the period to 28 February 2026.
When is Melsi 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 10 February 2026, due by 10 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Melsi Ltd still trading?
Melsi 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 Melsi Ltd do?
Melsi Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Melsi Ltd?
Melsi Ltd was incorporated on 11 February 2025, 1 year ago.
What is the penalty if Melsi 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 Melsi 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.