1. Companies
  2. Plumbers and heating engineers
  3. Airdrie
  4. Olison Ltd

Olison Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersAirdrie
Company number
SC546282
Incorporated
26 Sep 201610 years trading
Registered office
Suite1, the Old School Business Centre, Rochsolloch Road, Airdrie, ML6 9BG
Nature of business
Plumbing, heat and air-conditioning installation; Other service activities n.e.c.
Accounts due in
261 days
30 Jun 2027
Net assets
£1.4M▲
+0.9% on the year before
Cash at bank
£1.3M▼
At 30 Sep 2025
Employees
9
Average during the year
From the Companies House register, 1 Oct 2026

Olison Ltd is a 10-year-old private limited company registered in Airdrie, company number SC546282, one of 32 plumbing and heating companies in Airdrie. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.

Key dates

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

Accounts due
30 Jun 2027
in 261 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 353 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 262 days
9 months and 1 day after the period end
Confirmation statement
20 Oct 2026
in 8 days
Last made up to 6 Oct 2025

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 Olison Ltd

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 up £12K (+0.9%) on the year before, to £1.4M.
  • Net assets rose in 7 of 8 year-on-year comparisons on record.
  • Current assets of £2.1M against £782K owed within a year: 2.7 times cover.
  • 9 employees on average, down from 12 the year before.
  • 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£1M30 September 2017: net assets £46K£46K201730 September 2018: net assets £147K£147K201830 September 2019: net assets £186K£186K201930 September 2020: net assets £243K£243K202030 September 2021: net assets £891K£891K202130 September 2022: net assets £1.3M£1.3M202230 September 2023: net assets £1.2M£1.2M202330 September 2024: net assets £1.4M£1.4M202430 September 2025: net assets £1.4M£1.4M2025
Net assets at each year end, 2017 to 2025£0£500K£1M30 September 2017: net assets £46K£46K'1730 September 2018: net assets £147K£147K'1830 September 2019: net assets £186K£186K'1930 September 2020: net assets £243K£243K'2030 September 2021: net assets £891K£891K'2130 September 2022: net assets £1.3M£1.3M'2230 September 2023: net assets £1.2M£1.2M'2330 September 2024: net assets £1.4M£1.4M'2430 September 2025: net assets £1.4M£1.4M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£1.4M£1.3M£2.1M£782K9
30 Sep 2024£1.4M£1.4M£2.3M£944K12
30 Sep 2023£1.2M£900K£1.9M£727K13
30 Sep 2022£1.3M£1.2M£2.5M£1.2M14
30 Sep 2021£891K£530K£1.7M£1.3M10
30 Sep 2020£243K£430K£677K£462K8
30 Sep 2019£186K£198K£419K£256K5
30 Sep 2018£147K£281K£148K
30 Sep 2017£46K£69K£26K

Where Olison Ltd is registered

Olison Ltd's registered office on a map of the UK

The registered office is in Airdrie (ML6), in the North Lanarkshire local authority area, Scotland. Show ML6 9BG on a map.

Other trade companies in ML6

What happens if Olison Ltd 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 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 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
SC546282
Status
Active
Company type
Private limited company
Incorporated
26 September 2016 (10 years ago)
Registered office
Suite1, the Old School Business Centre, Rochsolloch Road, Airdrie, ML6 9BG
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other service activities n.e.c. (SIC 96090)
Year end
30 September (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 September 2025
Last confirmation statement
6 October 2025
Charges (mortgages)
0 outstanding of 1 registered

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Airdrie

Other active plumbing and heating companies registered in Airdrie.

All plumbing and heating companies in Airdrie · All trades in Airdrie · Plumbers and heating engineers across the UK

Frequently asked questions

When are Olison Ltd's accounts due?

Olison Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.

When is Olison Ltd's CT600 due?

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

Is Olison Ltd still trading?

Olison Ltd 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 Olison Ltd do?

Olison Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other service activities n.e.c. (SIC 96090).

How old is Olison Ltd?

Olison Ltd was incorporated on 26 September 2016, 10 years ago.

What is the penalty if Olison Ltd 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 Olison Ltd 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