1. Companies
  2. Machinery repair and installation
  3. Bonnybridge
  4. Bonnyside Engineering Limited

Bonnyside Engineering Limited

ActiveUnaudited abridged accountsMachinery repair and installationBonnybridge
Company number
SC478665
Incorporated
29 May 201412 years trading
Registered office
Chattan Complex, Bonnyside Road, Bonnybridge, FK4 2AG
Nature of business
Repair of machinery
Accounts due in
230 days
31 May 2027
Net assets
£3,156▼
-76.1% on the year before
Cash at bank
£21K▼
At 31 Aug 2025
Employees
9
Average during the year
From the Companies House register, 1 Oct 2026

Bonnyside Engineering Limited is a 12-year-old private limited company registered in Bonnybridge, company number SC478665, one of 7 machinery repair and installation companies in Bonnybridge. 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
12 Jun 2027
in 242 days
Last made up to 29 May 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Bonnyside Engineering Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

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 (-76.1%) on the year before, to £3,156.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £259K against £368K owed within a year: 0.7 times cover.
  • 9 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£20K31 August 2016: net assets £9,524£9,524201631 August 2017: net assets £4,493£4,493201731 August 2018: net assets £14K£14K201831 August 2019: net assets £22K£22K201931 August 2020: net assets £29K£29K202031 August 2021: net assets £6,032£6,032202131 August 2022: net assets £23K£23K202231 August 2023: net assets £11K£11K202331 August 2024: net assets £13K£13K202431 August 2025: net assets £3,156£3,1562025
Net assets at each year end, 2016 to 2025£0£10K£20K31 August 2016: net assets £9,524£9,524'1631 August 2017: net assets £4,493£4,493'1731 August 2018: net assets £14K£14K'1831 August 2019: net assets £22K£22K'1931 August 2020: net assets £29K£29K'2031 August 2021: net assets £6,032£6,032'2131 August 2022: net assets £23K£23K'2231 August 2023: net assets £11K£11K'2331 August 2024: net assets £13K£13K'2431 August 2025: net assets £3,156£3,156'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2025£3,156£21K£259K£368K9
31 Aug 2024£13K£23K£310K£406K9
31 Aug 2023£11K£23K£232K£335K8
31 Aug 2022£23K£12K£236K£332K14
31 Aug 2021£6,032£12K£180K£301K14
31 Aug 2020£29K£47K£221K£303K8
31 Aug 2019£22K£11K£242K£316K8
31 Aug 2018£14K£364£220K£301K8
31 Aug 2017£4,493£6,584£259K£351K20
31 Aug 2016£9,524£221K£292K

Who runs and owns Bonnyside Engineering Limited

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

Officers (2)

NameRoleAppointed
D*** M***DirectorMay 2014
D*** R***DirectorMay 2014
1 former officer
NameRoleAppointedLeft
J*** M***DirectorMay 2014Aug 2022

People with significant control (2)

Individual · since May 2017
D*** R***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since May 2017
D*** M***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes

Charges (secured borrowing)

2 of 3 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
Aldermore Bank PLCOutstandingMay 2022
Aldermore Bank PLCOutstandingNov 2021
RBS Invoice Finance LimitedSatisfied Jun 2026Aug 2015

Where Bonnyside Engineering Limited is registered

Bonnyside Engineering Limited's registered office on a map of the UK

The registered office is in Bonnybridge (FK4), in the Falkirk local authority area, Scotland. Show FK4 2AG on a map.

Other trade companies in FK4

What happens if Bonnyside Engineering 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 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
SC478665
Status
Active
Company type
Private limited company
Incorporated
29 May 2014 (12 years ago)
Registered office
Chattan Complex, Bonnyside Road, Bonnybridge, FK4 2AG
Nature of business
Repair of machinery (SIC 33120)
Year end
31 August (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 August 2025
Last confirmation statement
29 May 2026
Charges (mortgages)
2 outstanding of 3 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 Bonnybridge

Other active machinery repair and installation companies registered in Bonnybridge.

All machinery repair and installation companies in Bonnybridge · All trades in Bonnybridge · Machinery repair and installation across the UK

Frequently asked questions

When are Bonnyside Engineering Limited's accounts due?

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

When is Bonnyside Engineering Limited'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 Bonnyside Engineering Limited still trading?

Bonnyside Engineering 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 Bonnyside Engineering Limited do?

Bonnyside Engineering Limited is registered under Repair of machinery (SIC 33120).

How old is Bonnyside Engineering Limited?

Bonnyside Engineering Limited was incorporated on 29 May 2014, 12 years ago.

Who runs Bonnyside Engineering Limited?

Bonnyside Engineering Limited has 2 active directors, the longest-serving appointed in May 2014. Their names and service addresses are on the Companies House register.

Who owns Bonnyside Engineering Limited?

2 people or companies have significant control of Bonnyside Engineering Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

What is the penalty if Bonnyside Engineering 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 Bonnyside Engineering 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.

File accounts + CT600File now£49Let's talk