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  4. Triangle Engineering Services Limited

Triangle Engineering Services Limited

ActiveTotal exemption (full) accountsCivil engineeringAshford
Company number
05588423
Incorporated
11 Oct 200521 years trading
Registered office
Cassidys Limited South Stour Offices, South Stour Road, Mersham, Ashford, Kent, TN25 7HS
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
292 days
31 Jul 2027
Net assets
-£37K▼
-40.5% on the year before
Cash at bank
£456
At 31 Oct 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Triangle Engineering Services Limited is a 21-year-old private limited company registered in Ashford, company number 05588423, one of 95 civil engineering contractors in Ashford. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.

Key dates

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

Accounts due
31 Jul 2027
in 292 days
For the period to 31 Oct 2026
CT600 due
31 Oct 2027
in 384 days
Period 1 Nov 2025 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 293 days
9 months and 1 day after the period end
Confirmation statement
24 Oct 2026
in 12 days
Last made up to 10 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 £11K (-40.5%) on the year before, to -£37K.
  • Net assets rose in 2 of 9 year-on-year comparisons on record.
  • Current assets of £38K against £78K owed within a year: 0.5 times cover.
  • 2 employees on average, down from 3 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025-£50K-£25K£031 October 2016: net assets £5,307£5,307201631 October 2017: net assets £3,471£3,471201731 October 2018: net assets £319£319201831 October 2019: net assets -£7,694-£7,694201931 October 2020: net assets -£56K-£56K202031 October 2021: net assets -£40K-£40K202131 October 2022: net assets -£53K-£53K202231 October 2023: net assets -£18K-£18K202331 October 2024: net assets -£26K-£26K202431 October 2025: net assets -£37K-£37K2025
Net assets at each year end, 2016 to 2025-£50K-£25K£031 October 2016: net assets £5,307£5,307'1631 October 2017: net assets £3,471£3,471'1731 October 2018: net assets £319£319'1831 October 2019: net assets -£7,694-£7,694'1931 October 2020: net assets -£56K-£56K'2031 October 2021: net assets -£40K-£40K'2131 October 2022: net assets -£53K-£53K'2231 October 2023: net assets -£18K-£18K'2331 October 2024: net assets -£26K-£26K'2431 October 2025: net assets -£37K-£37K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025-£37K£456£38K£78K2
31 Oct 2024-£26K£456£84K£111K3
31 Oct 2023-£18K£456£67K£90K3
31 Oct 2022-£53K£456£27K£83K4
31 Oct 2021-£40K£456£48K£73K4
31 Oct 2020-£56K£456£28K£65K3
31 Oct 2019-£7,694£456£45K£60K2
31 Oct 2018£319£470£64K£73K3
31 Oct 2017£3,471£15£132K£135K3
31 Oct 2016£5,307£15£135K£135K

Who runs and owns Triangle Engineering Services Limited

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

Officers (2)

NameRoleAppointed
N*** O***DirectorOct 2005
Cassidys Secretarial Services LimitedSecretary (company)Jul 2009
2 former officers
NameRoleAppointedLeft
A*** G***SecretaryOct 2005Jul 2009
A*** G***DirectorOct 2005Jul 2009

Person with significant control

Individual · since Jul 2016
N*** O***
Owns 75% or more of the shares

Charges (secured borrowing)

1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
HSBC Bank PLCOutstandingNov 2005

Where Triangle Engineering Services Limited is registered

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

The registered office is in Ashford (TN25), in the Ashford local authority area, South East. Show TN25 7HS on a map.

Other trade companies in TN25

Also registered at this address

20 other companies use the same registered office as Triangle Engineering Services Limited.

What happens if Triangle Engineering Services 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 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Aug 2027 to 31 Aug 2027£150
1 to 3 months late1 Sep 2027 to 31 Oct 2027£375
3 to 6 months late1 Nov 2027 to 31 Jan 2028£750
More than 6 months lateFrom 1 Feb 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
05588423
Status
Active
Company type
Private limited company
Incorporated
11 October 2005 (21 years ago)
Registered office
Cassidys Limited South Stour Offices, South Stour Road, Mersham, Ashford, Kent, TN25 7HS
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 October (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 October 2025
Last confirmation statement
10 October 2025
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Ashford

Other active civil engineering contractors registered in Ashford.

All civil engineering contractors in Ashford · All trades in Ashford · Civil engineering across the UK

Frequently asked questions

When are Triangle Engineering Services Limited's accounts due?

Triangle Engineering Services Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.

When is Triangle Engineering Services Limited's CT600 due?

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

Is Triangle Engineering Services Limited still trading?

Triangle Engineering Services 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 Triangle Engineering Services Limited do?

Triangle Engineering Services Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Triangle Engineering Services Limited?

Triangle Engineering Services Limited was incorporated on 11 October 2005, 21 years ago.

Who runs Triangle Engineering Services Limited?

Triangle Engineering Services Limited has 1 active director, the longest-serving appointed in Oct 2005. Their names and service addresses are on the Companies House register.

Who owns Triangle Engineering Services Limited?

One person or company has significant control of Triangle Engineering Services Limited: an individual (owns 75% or more of the shares).

What is the penalty if Triangle Engineering Services 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 Triangle Engineering Services 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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