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Company profile · Machinery repair and installation

Standard Security Systems Limited

Standard Security Systems Limited is a 39-year-old private limited company registered in Stonehaven, company number SC105490, one of 8 machinery repair and installation companies in Stonehaven. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Active SC105490 Total exemption (full) accounts Stonehaven Since 1987

Key dates

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

Accounts due
31 Dec 2027
in 445 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 536 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 446 days
9 months and 1 day after the period end
Confirmation statement
31 Dec 2026
in 80 days
Last made up to 17 Dec 2025

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Financial snapshot, 2026

From the balance sheet at 31 March 2026, as filed at Companies House.

Net assets
£2,796
+195.2% on the year before
Cash at bank
£16K
+118.2% on the year before
Current assets
£16K
Owed within a year
£20K
Creditors due within one year
Employees
2
Average during the year, including directors

Standard Security Systems Limited over the years

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 £5,734 (+195.2%) on the year before, to £2,796.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £16K against £20K owed within a year: 0.8 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£5,00031 March 2017: net assets £9,199201731 March 2018: net assets £6,595201831 March 2019: net assets £1,083201931 March 2020: net assets -£1,869202031 March 2021: net assets £1,581202131 March 2022: net assets £3,752202231 March 2023: net assets £4,676202331 March 2024: net assets £2,137202431 March 2025: net assets -£2,938202531 March 2026: net assets £2,796£2,7962026
Net assets at each year end, 2017 to 2026£0£5,00031 March 2017: net assets £9,199'1731 March 2018: net assets £6,595'1831 March 2019: net assets £1,083'1931 March 2020: net assets -£1,869'2031 March 2021: net assets £1,581'2131 March 2022: net assets £3,752'2231 March 2023: net assets £4,676'2331 March 2024: net assets £2,137'2431 March 2025: net assets -£2,938'2531 March 2026: net assets £2,796£2,796'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£2,796£16K£16K£20K2
31 Mar 2025-£2,938£7,386£19K2
31 Mar 2024£2,137£19K£16K2
31 Mar 2023£4,676£19K£14K2
31 Mar 2022£3,752£18K£14K2
31 Mar 2021£1,581£12K£11K2
31 Mar 2020-£1,869£9,085£13K3
31 Mar 2019£1,083£11K£13K3
31 Mar 2018£6,595£17K£14K3
31 Mar 2017£9,199£15K£9,0583

Where Standard Security Systems Limited is registered

Standard Security Systems Limited's registered office on a map of the UK

The registered office is in Stonehaven (AB39), in the Aberdeenshire local authority area, Scotland. Show AB39 2BG on a map.

Other trade companies in AB39

What happens if Standard Security Systems 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 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
SC105490
Status
Active
Company type
Private limited company
Incorporated
2 July 1987 (39 years ago)
Registered office
9B Hunter Drive, Stonehaven, Kincardineshire, AB39 2BG
Nature of business
Repair of other equipment (SIC 33190)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
17 December 2025
Charges (mortgages)
0 outstanding of 1 registered

Filing notes for machinery repair and installation companies

Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.

Similar companies in Stonehaven

Other active machinery repair and installation companies registered in Stonehaven.

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Frequently asked questions

When are Standard Security Systems Limited's accounts due?

Standard Security Systems Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is Standard Security Systems Limited's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is Standard Security Systems Limited still trading?

Standard Security Systems 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 Standard Security Systems Limited do?

Standard Security Systems Limited is registered under Repair of other equipment (SIC 33190).

How old is Standard Security Systems Limited?

Standard Security Systems Limited was incorporated on 2 July 1987, 39 years ago.

What is the penalty if Standard Security Systems 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 Standard Security Systems Limited 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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