- Companies
- Specialist contractors
- Cumnock
- Silverbirch Contracts Limited
Silverbirch Contracts Limited
- Company number
- SC413446
- Incorporated
- 20 Dec 201114 years trading
- Registered office
- Unit 12, High House Industrial Estate Barony Road, Auchinleck, Cumnock, KA18 2LL
- Nature of business
- Other specialised construction activities n.e.c.
Silverbirch Contracts Limited is a 14-year-old private limited company registered in Cumnock, company number SC413446, one of 5 specialist construction companies in Cumnock. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £120K (+138.7%) on the year before, to £34K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £219K against £439K owed within a year: 0.5 times cover.
- 12 employees on average, down from 16 the year before.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £34K | £0 | £219K | £439K | 12 |
| 31 Dec 2023 | -£87K | £16K | £87K | £357K | 16 |
| 31 Dec 2022 | -£174K | £61K | £174K | £335K | 15 |
| 31 Dec 2021 | £70K | £65K | £229K | £296K | 19 |
| 31 Dec 2020 | £52K | £15K | £189K | £157K | 15 |
| 31 Dec 2019 | £39K | £198K | £160K | 11 | |
| 31 Dec 2018 | -£49K | £0 | £98K | £127K | 11 |
| 31 Dec 2017 | -£7,248 | £5,305 | £116K | £141K | 7 |
| 31 Dec 2016 | -£788 | £4,000 | £77K | £96K | 7 |
| 31 Dec 2015 | -£49K | £5,339 | £29K | £85K |
Where Silverbirch Contracts Limited is registered
The registered office is in Cumnock (KA18), in the East Ayrshire local authority area, Scotland. Show KA18 2LL 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
What happens if Silverbirch Contracts Limited 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC413446
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 December 2011 (14 years ago)
- Registered office
- Unit 12, High House Industrial Estate Barony Road, Auchinleck, Cumnock, KA18 2LL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 12 July 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.
- Boss Civils and Engineering Ltd2025
- BSK Commercial Ltd2024
- Dempster Construction Limited2026
- Palmer & Son Groundworks Limited2022
All specialist construction companies in Cumnock · All trades in Cumnock · Specialist contractors across the UK
Frequently asked questions
When are Silverbirch Contracts Limited's accounts due?
Silverbirch Contracts Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Silverbirch Contracts Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Silverbirch Contracts Limited still trading?
Silverbirch Contracts Limited 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 Silverbirch Contracts Limited do?
Silverbirch Contracts Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Silverbirch Contracts Limited?
Silverbirch Contracts Limited was incorporated on 20 December 2011, 14 years ago.
What is the penalty if Silverbirch Contracts Limited 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 Silverbirch Contracts Limited 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.