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  4. Northern Turbine Services Limited

Northern Turbine Services Limited

ActiveTotal exemption (full) accountsMachinery repair and installationKirkwall
Company number
SC510079
Incorporated
3 Jul 201511 years trading
Registered office
1 Quarryfield Road, Hatston Industrial Estate, Kirkwall, Orkney, KW15 1GD
Nature of business
Repair of electrical equipment; Repair of other equipment
Accounts due in
229 days
30 May 2027
Net assets
£1.7M▲
+27.1% on the year before
Cash at bank
£91K▲
At 30 Aug 2025
Employees
22
Average during the year
From the Companies House register, 1 Oct 2026

Northern Turbine Services Limited is a 11-year-old private limited company registered in Kirkwall, company number SC510079, one of 8 machinery repair and installation companies in Kirkwall. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 August 2027.

Key dates

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

Accounts due
30 May 2027
in 229 days
For the period to 30 Aug 2026
CT600 due
30 Aug 2027
in 321 days
Period 31 Aug 2025 to 30 Aug 2026
Corporation tax payment
31 May 2027
in 230 days
9 months and 1 day after the period end
Confirmation statement
10 Sep 2027
in 332 days
Last made up to 27 Aug 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 up £354K (+27.1%) on the year before, to £1.7M.
  • Net assets rose in 8 of 9 year-on-year comparisons on record.
  • Current assets of £1.5M against £558K owed within a year: 2.7 times cover.
  • 22 employees on average, up from 20 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£0£1M31 August 2016: net assets £34K£34K201631 August 2017: net assets £149K£149K201731 August 2018: net assets £212K£212K201831 August 2019: net assets £415K£415K201931 August 2020: net assets £769K£769K202031 August 2021: net assets £992K£992K202131 August 2022: net assets £1.2M£1.2M202230 August 2023: net assets £1.2M£1.2M202330 August 2024: net assets £1.3M£1.3M202430 August 2025: net assets £1.7M£1.7M2025
Net assets at each year end, 2016 to 2025£0£1M31 August 2016: net assets £34K£34K'1631 August 2017: net assets £149K£149K'1731 August 2018: net assets £212K£212K'1831 August 2019: net assets £415K£415K'1931 August 2020: net assets £769K£769K'2031 August 2021: net assets £992K£992K'2131 August 2022: net assets £1.2M£1.2M'2230 August 2023: net assets £1.2M£1.2M'2330 August 2024: net assets £1.3M£1.3M'2430 August 2025: net assets £1.7M£1.7M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Aug 2025£1.7M£91K£1.5M£558K22
30 Aug 2024£1.3M£67K£1.3M£529K20
30 Aug 2023£1.2M£106K£1.1M£489K18
31 Aug 2022£1.2M£12K£1.1M£404K17
31 Aug 2021£992K£319K£1.2M£478K15
31 Aug 2020£769K£149K£1.1M£467K13
31 Aug 2019£415K£97K£825K£555K13
31 Aug 2018£212K£60K£684K£542K
31 Aug 2017£149K£31K£375K£266K9
31 Aug 2016£34K£12K£135K£139K

Where Northern Turbine Services Limited is registered

Northern Turbine Services Limited's registered office on a map of the UK

The registered office is in Kirkwall (KW15), in the Orkney Islands local authority area, Scotland. Show KW15 1GD on a map.

Other trade companies in KW15

What happens if Northern Turbine 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 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 May 2027 to 30 Jun 2027£150
1 to 3 months late1 Jul 2027 to 30 Aug 2027£375
3 to 6 months late31 Aug 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 late31 Aug 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 late30 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
SC510079
Status
Active
Company type
Private limited company
Incorporated
3 July 2015 (11 years ago)
Registered office
1 Quarryfield Road, Hatston Industrial Estate, Kirkwall, Orkney, KW15 1GD
Nature of business
Repair of electrical equipment (SIC 33140)
Repair of other equipment (SIC 33190)
Year end
30 August (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 August 2025
Last confirmation statement
27 August 2026
Charges (mortgages)
3 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 Kirkwall

Other active machinery repair and installation companies registered in Kirkwall.

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

Frequently asked questions

When are Northern Turbine Services Limited's accounts due?

Northern Turbine Services Limited's next accounts are due at Companies House by 30 May 2027 (in 229 days), covering the period to 30 August 2026.

When is Northern Turbine Services Limited's CT600 due?

The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.

Is Northern Turbine Services Limited still trading?

Northern Turbine 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 Northern Turbine Services Limited do?

Northern Turbine Services Limited is registered under Repair of electrical equipment (SIC 33140); Repair of other equipment (SIC 33190).

How old is Northern Turbine Services Limited?

Northern Turbine Services Limited was incorporated on 3 July 2015, 11 years ago.

What is the penalty if Northern Turbine 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 Northern Turbine 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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