- Companies
- Specialist contractors
- Cumnock
- BSK Commercial Ltd
BSK Commercial Ltd
- Company number
- SC823799
- Incorporated
- 25 Sep 20242 years trading
- Registered office
- Bank Chambers, 31 the Square, Cumnock, KA18 1AT
- Nature of business
- Other specialised construction activities n.e.c.
BSK Commercial Ltd is a 2-year-old private limited company registered in Cumnock, company number SC823799, one of 5 specialist construction companies in Cumnock. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Where BSK Commercial Ltd is registered
The registered office is in Cumnock (KA18), in the East Ayrshire local authority area, Scotland. Show KA18 1AT on a map.
Other trade companies in KA18
- Sandglow Overland LtdMotor traders
- Scott Smith Joinery LtdJoiners and carpenters
- JSK Aviation Services LtdMachinery repair and installation
- Dempster Construction LimitedSpecialist contractors
- KM Vehicle Sales LtdMotor traders
- Gibby Groundworks LtdCivil engineering
- Volkstec (Ayr) LtdMechanics and garages
- Baird Welding and Mechanical LtdMachinery repair and installation
Also registered at this address
16 other companies use the same registered office as BSK Commercial Ltd.
- Afton Builders LimitedFinishing trades
- Boss Civils and Engineering LtdSpecialist contractors
- Castarra LtdJoiners and carpenters
- Charlesfort Developments LtdBuilders
- Craiglang Properties LtdProperty developers
- Craigston Glen LtdProperty developers
- Craigston Property LtdProperty developers
- G & C Double Glazing Repair LimitedRepair services
- KNM Scotland LtdGroundworks and demolition
- KSD Joiners LimitedJoiners and carpenters
- LB Scotland LimitedBuilders
- LTR Management Group LtdProperty developers
- Pro-Build (Ayrshire) LtdProperty developers
- S S P (Ames Taping) LimitedPlasterers
- Volkstec (Ayr) LtdMechanics and garages
- WRK Solutions LimitedMotor traders
What happens if BSK Commercial 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- SC823799
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 September 2024 (2 years ago)
- Registered office
- Bank Chambers, 31 the Square, Cumnock, KA18 1AT
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 24 September 2026
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 Cumnock
Other active specialist construction companies registered in Cumnock.
- Dempster Construction Limited2026
- Palmer & Son Groundworks Limited2022
- Silverbirch Contracts Limited2011
- Boss Civils and Engineering Ltd2025
All specialist construction companies in Cumnock · All trades in Cumnock · Specialist contractors across the UK
Frequently asked questions
When are BSK Commercial Ltd's accounts due?
BSK Commercial Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is BSK Commercial Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is BSK Commercial Ltd still trading?
BSK Commercial Ltd is listed as active on the Companies House register (checked 13 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 BSK Commercial Ltd do?
BSK Commercial Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is BSK Commercial Ltd?
BSK Commercial Ltd was incorporated on 25 September 2024, 2 years ago.
What is the penalty if BSK Commercial 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 BSK Commercial Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.