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  4. Cairngorm Systems Ltd

Cairngorm Systems Ltd

ActiveTotal exemption (full) accountsSpecialist contractorsBanchory
Company number
SC484777
Incorporated
20 Aug 201412 years trading
Registered office
15 Alder Tree Road, Banchory, AB31 4FW
Nature of business
Other specialised construction activities n.e.c.; Other business support service activities n.e.c.
Accounts due in
230 days
31 May 2027
Net assets
£63K▼
-14.0% on the year before
Cash at bank
£66K▼
At 31 Aug 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Cairngorm Systems Ltd is a 12-year-old private limited company registered in Banchory, company number SC484777, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 May 2027
in 230 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 322 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 231 days
9 months and 1 day after the period end
Confirmation statement
15 Oct 2026
in 2 days
Last made up to 1 Oct 2025

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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 down £10K (-14%) on the year before, to £63K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£50K£100K31 August 2016: net assets £108K£108K201631 August 2017: net assets £128K£128K201731 August 2018: net assets £112K£112K201831 August 2019: net assets £119K£119K201931 August 2020: net assets £123K£123K202031 August 2021: net assets £128K£128K202131 August 2022: net assets £98K£98K202231 August 2023: net assets £68K£68K202331 August 2024: net assets £73K£73K202431 August 2025: net assets £63K£63K2025
Net assets at each year end, 2016 to 2025£0£50K£100K31 August 2016: net assets £108K£108K'1631 August 2017: net assets £128K£128K'1731 August 2018: net assets £112K£112K'1831 August 2019: net assets £119K£119K'1931 August 2020: net assets £123K£123K'2031 August 2021: net assets £128K£128K'2131 August 2022: net assets £98K£98K'2231 August 2023: net assets £68K£68K'2331 August 2024: net assets £73K£73K'2431 August 2025: net assets £63K£63K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2025£63K£66K£2,7551
31 Aug 2024£73K£83K£9,4501
31 Aug 2023£68K£78K£9,5831
31 Aug 2022£98K£107K£9,7001
31 Aug 2021£128K£138K£9,8671
31 Aug 2020£123K£132K£9,5131
31 Aug 2019£119K£134K£16K
31 Aug 2018£112K£125K£125K£13K
31 Aug 2017£128K£159K£159K£31K
31 Aug 2016£108K£191K£191K£83K

Where Cairngorm Systems Ltd is registered

Cairngorm Systems Ltd's registered office on a map of the UK

The registered office is in Banchory (AB31), in the Aberdeenshire local authority area, Scotland. Show AB31 4FW on a map.

Other trade companies in AB31

What happens if Cairngorm Systems 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 31 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jun 2027 to 30 Jun 2027£150
1 to 3 months late1 Jul 2027 to 31 Aug 2027£375
3 to 6 months late1 Sep 2027 to 30 Nov 2027£750
More than 6 months lateFrom 1 Dec 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 2028another 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
SC484777
Status
Active
Company type
Private limited company
Incorporated
20 August 2014 (12 years ago)
Registered office
15 Alder Tree Road, Banchory, AB31 4FW
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Other business support service activities n.e.c. (SIC 82990)
Year end
31 August (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 August 2025
Last confirmation statement
1 October 2025

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 Banchory

Other active specialist construction companies registered in Banchory.

All specialist construction companies in Banchory · All trades in Banchory · Specialist contractors across the UK

Frequently asked questions

When are Cairngorm Systems Ltd's accounts due?

Cairngorm Systems Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.

When is Cairngorm Systems Ltd's CT600 due?

The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.

Is Cairngorm Systems Ltd still trading?

Cairngorm Systems 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 Cairngorm Systems Ltd do?

Cairngorm Systems Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other business support service activities n.e.c. (SIC 82990).

How old is Cairngorm Systems Ltd?

Cairngorm Systems Ltd was incorporated on 20 August 2014, 12 years ago.

What is the penalty if Cairngorm Systems 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 Cairngorm Systems Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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