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  2. Machinery repair and installation
  3. Bonnyrigg
  4. S.N.G. Control Systems Limited

S.N.G. Control Systems Limited

Company number
SC054574
Incorporated
20 Nov 197352 years trading
Registered office
14 Viewbank Road, Bonnyrigg, Midlothian, EH19 2HB
Nature of business
Installation of industrial machinery and equipment
Accounts due in
322 days
31 Aug 2027
Net assets
£20K▲
At 30 Nov 2025
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

S.N.G. Control Systems Limited is a 52-year-old private limited company registered in Bonnyrigg, company number SC054574, one of 6 machinery repair and installation companies in Bonnyrigg. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.

Key dates

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

Accounts due
31 Aug 2027
in 322 days
For the period to 30 Nov 2026
CT600 due
30 Nov 2027
in 413 days
Period 1 Dec 2025 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 323 days
9 months and 1 day after the period end
Confirmation statement
28 Nov 2026
in 46 days
Last made up to 14 Nov 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 up £19K on the year before, to £20K.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • Current assets of £38K against £11K owed within a year: 3.5 times cover.
  • 3 employees 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£10K£20K30 November 2016: net assets £6,852£6,852201630 November 2017: net assets £4,317£4,317201730 November 2018: net assets £1,820£1,820201830 November 2019: net assets £1,450£1,450201930 November 2020: net assets £1,083£1,083202030 November 2021: net assets £6,410£6,410202130 November 2022: net assets £4,374£4,374202230 November 2023: net assets £4,380£4,380202330 November 2024: net assets £1,011£1,011202430 November 2025: net assets £20K£20K2025
Net assets at each year end, 2016 to 2025£0£10K£20K30 November 2016: net assets £6,852£6,852'1630 November 2017: net assets £4,317£4,317'1730 November 2018: net assets £1,820£1,820'1830 November 2019: net assets £1,450£1,450'1930 November 2020: net assets £1,083£1,083'2030 November 2021: net assets £6,410£6,410'2130 November 2022: net assets £4,374£4,374'2230 November 2023: net assets £4,380£4,380'2330 November 2024: net assets £1,011£1,011'2430 November 2025: net assets £20K£20K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£20K£38K£11K3
30 Nov 2024£1,011£8,171£6,4853
30 Nov 2023£4,380£13K£9,6003
30 Nov 2022£4,374£24K£21K3
30 Nov 2021£6,410£18K£12K3
30 Nov 2020£1,083£6,889£5,8063
30 Nov 2019£1,450£5,197£3,8643
30 Nov 2018£1,820£8,353£6,949
30 Nov 2017£4,317£14K£14K
30 Nov 2016£6,852£5,807£7,073

Who runs and owns S.N.G. Control Systems Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (2)

NameRoleAppointed
C*** G***DirectorMar 2002
C*** G***SecretaryMar 2012
4 former officers
NameRoleAppointedLeft
M*** G***SecretaryMar 2012
K*** G***DirectorMar 2002Nov 2023
M*** G***DirectorNov 2023
S*** G***DirectorMar 2002

Person with significant control

Individual · since Apr 2016
C*** G***
Owns 25% to 50% of the shares

Where S.N.G. Control Systems Limited is registered

S.N.G. Control Systems Limited's registered office on a map of the UK

The registered office is in Bonnyrigg (EH19), in the Midlothian local authority area, Scotland. Show EH19 2HB on a map.

Other trade companies in EH19

What happens if S.N.G. Control 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 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2027 to 30 Sep 2027£150
1 to 3 months late1 Oct 2027 to 30 Nov 2027£375
3 to 6 months late1 Dec 2027 to 29 Feb 2028£750
More than 6 months lateFrom 1 Mar 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2027£200
3 months late29 Feb 2028another £200
6 months late30 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 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
SC054574
Status
Active
Company type
Private limited company
Incorporated
20 November 1973 (52 years ago)
Registered office
14 Viewbank Road, Bonnyrigg, Midlothian, EH19 2HB
Nature of business
Installation of industrial machinery and equipment (SIC 33200)
Year end
30 November (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 November 2025
Last confirmation statement
14 November 2025

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 Bonnyrigg

Other active machinery repair and installation companies registered in Bonnyrigg.

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Frequently asked questions

When are S.N.G. Control Systems Limited's accounts due?

S.N.G. Control Systems Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.

When is S.N.G. Control Systems Limited's CT600 due?

The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.

Is S.N.G. Control Systems Limited still trading?

S.N.G. Control 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 S.N.G. Control Systems Limited do?

S.N.G. Control Systems Limited is registered under Installation of industrial machinery and equipment (SIC 33200).

How old is S.N.G. Control Systems Limited?

S.N.G. Control Systems Limited was incorporated on 20 November 1973, 52 years ago.

Who runs S.N.G. Control Systems Limited?

S.N.G. Control Systems Limited has 1 active director, the longest-serving appointed in Mar 2002. Their names and service addresses are on the Companies House register.

Who owns S.N.G. Control Systems Limited?

One person or company has significant control of S.N.G. Control Systems Limited: an individual (owns 25% to 50% of the shares).

What is the penalty if S.N.G. Control 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 S.N.G. Control 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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