Company profile · Builders
Aarck-Con Ltd
Aarck-Con Ltd is a 1-year-old private limited company registered in Slough, company number 16669799, one of 683 building contractors in Slough. Its next accounts are due at Companies House on 25 May 2027, and its first CT600 is due at HMRC on 24 August 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 Aarck-Con Ltd is registered
The registered office is in Slough (SL3), in the Slough local authority area, South East. Show SL3 8UU on a map.
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What happens if Aarck-Con 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 25 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 May 2027 to 25 Jun 2027 | £150 |
| 1 to 3 months late | 26 Jun 2027 to 25 Aug 2027 | £375 |
| 3 to 6 months late | 26 Aug 2027 to 25 Nov 2027 | £750 |
| More than 6 months late | From 26 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16669799
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 2025 (1 year ago)
- Registered office
- 47 Severn Crescent, Slough, SL3 8UU
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 August (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 Slough
Other active building contractors registered in Slough.
- Abhay Construction Ltd2023
- Abhi Builders Ltd2020
- Active Homes Ltd2026
- Adventure Builders Limited2017
- Aha&Co Ltd2021
- Aj Construction London Ltd2023
- Ajmer Singh Ltd2021
- Ajsp Supplies Ltd2025
All building contractors in Slough · All trades in Slough · Builders across the UK
Frequently asked questions
When are Aarck-Con Ltd's accounts due?
Aarck-Con Ltd's next accounts are due at Companies House by 25 May 2027 (in 225 days), covering the period to 31 August 2026.
When is Aarck-Con 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 24 August 2026, due by 24 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Aarck-Con Ltd still trading?
Aarck-Con Ltd is listed as active on the Companies House register (checked 12 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 Aarck-Con Ltd do?
Aarck-Con Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Aarck-Con Ltd?
Aarck-Con Ltd was incorporated on 25 August 2025, 1 year ago.
What is the penalty if Aarck-Con 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 Aarck-Con Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.