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  4. O'Neil Gas Services Limited

O'Neil Gas Services Limited

ActiveTotal exemption (full) accountsMachinery repair and installationAyr
Company number
SC155004
Incorporated
19 Dec 199431 years trading
Registered office
55 Green Street, Ayr, Ayrshire, KA8 8BQ
Nature of business
Repair of other equipment
Accounts due in
48 days
30 Nov 2026
Net assets
£978K▼
-2.7% on the year before
Cash at bank
£448K▲
At 28 Feb 2025
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

O'Neil Gas Services Limited is a 31-year-old private limited company registered in Ayr, company number SC155004, one of 52 machinery repair and installation companies in Ayr. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

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

Accounts due
30 Nov 2026
in 48 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 138 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 49 days
9 months and 1 day after the period end
Confirmation statement
19 Sep 2027
in 341 days
Last made up to 5 Sep 2026

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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 £28K (-2.7%) on the year before, to £978K.
  • Net assets rose in 3 of 8 year-on-year comparisons on record.
  • Current assets of £907K against £258K owed within a year: 3.5 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£500K£1M28 February 2017: net assets £828K£828K201728 February 2018: net assets £786K£786K201828 February 2019: net assets £978K£978K201928 February 2020: net assets £945K£945K202028 February 2021: net assets £982K£982K202128 February 2022: net assets £1.1M£1.1M202228 February 2023: net assets £1.1M£1.1M202328 February 2024: net assets £1M£1M202428 February 2025: net assets £978K£978K2025
Net assets at each year end, 2017 to 2025£0£500K£1M28 February 2017: net assets £828K£828K'1728 February 2018: net assets £786K£786K'1828 February 2019: net assets £978K£978K'1928 February 2020: net assets £945K£945K'2028 February 2021: net assets £982K£982K'2128 February 2022: net assets £1.1M£1.1M'2228 February 2023: net assets £1.1M£1.1M'2328 February 2024: net assets £1M£1M'2428 February 2025: net assets £978K£978K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025£978K£448K£907K£258K0
28 Feb 2024£1M£236K£849K£137K24
28 Feb 2023£1.1M£513K£1.4M£253K19
28 Feb 2022£1.1M£687K£1.4M£264K18
28 Feb 2021£982K£686K£1.4M£349K18
28 Feb 2020£945K£754K£1.4M£446K17
28 Feb 2019£978K£640K£1.3M£281K
28 Feb 2018£786K£595K£1.1M£372K20
28 Feb 2017£828K£539K£998K£252K20

Where O'Neil Gas Services Limited is registered

O'Neil Gas Services Limited's registered office on a map of the UK

The registered office is in Ayr (KA8), in the South Ayrshire local authority area, Scotland. Show KA8 8BQ on a map.

Other trade companies in KA8

Also registered at this address

1 other company uses the same registered office as O'Neil Gas Services Limited.

What happens if O'Neil Gas 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 30 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
SC155004
Status
Active
Company type
Private limited company
Incorporated
19 December 1994 (31 years ago)
Registered office
55 Green Street, Ayr, Ayrshire, KA8 8BQ
Nature of business
Repair of other equipment (SIC 33190)
Year end
28 February (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
28 February 2025
Last confirmation statement
5 September 2026
Charges (mortgages)
1 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 Ayr

Other active machinery repair and installation companies registered in Ayr.

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

Frequently asked questions

When are O'Neil Gas Services Limited's accounts due?

O'Neil Gas Services Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.

When is O'Neil Gas Services Limited's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is O'Neil Gas Services Limited still trading?

O'Neil Gas 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 O'Neil Gas Services Limited do?

O'Neil Gas Services Limited is registered under Repair of other equipment (SIC 33190).

How old is O'Neil Gas Services Limited?

O'Neil Gas Services Limited was incorporated on 19 December 1994, 31 years ago.

What is the penalty if O'Neil Gas 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 O'Neil Gas 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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