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  4. Altair Systems Limited

Altair Systems Limited

ActiveTotal exemption (full) accountsMachinery repair and installationStockport
Company number
04596144
Incorporated
20 Nov 200223 years trading
Registered office
21 Midland Road, Bramhall, Stockport, Cheshire, SK7 3DY
Nature of business
Installation of industrial machinery and equipment
Accounts due in
439 days
25 Dec 2027
Net assets
£92K▲
+52.6% on the year before
Employees
2
Average during the year
Checked with Companies House 12 Oct 2026

Altair Systems Limited is a 23-year-old private limited company registered in Stockport, company number 04596144, one of 109 machinery repair and installation companies in Stockport. Its next accounts are due at Companies House on 25 December 2027, and the CT600 for the period to 25 March 2027 is due at HMRC on 25 March 2028.

Key dates

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

Accounts due
25 Dec 2027
in 439 days
For the period to 25 Mar 2027
CT600 due
25 Mar 2028
in 530 days
Period 26 Mar 2026 to 25 Mar 2027
Corporation tax payment
26 Dec 2027
in 440 days
9 months and 1 day after the period end
Confirmation statement
4 Aug 2027
in 296 days
Last made up to 21 Jul 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 £32K (+52.6%) on the year before, to £92K.
  • Net assets rose in 5 of 8 year-on-year comparisons on record.
  • Current assets of £210K against £137K owed within a year: 1.5 times cover.
  • 2 employees on average, down from 4 the year before.
  • Balance sheets on record for 10 years, 2015 to 2026.

Net assets by year

Net assets at each year end, 2019 to 2026£0£50K31 March 2019: net assets £72K£72K201931 March 2020: net assets £45K£45K202031 March 2021: net assets £65K£65K202131 March 2022: net assets £73K£73K202229 March 2023: net assets £88K£88K202327 March 2024: net assets £71K£71K202425 March 2025: net assets £60K£60K202525 March 2026: net assets £92K£92K2026
Net assets at each year end, 2019 to 2026£0£50K31 March 2019: net assets £72K£72K'1931 March 2020: net assets £45K£45K'2031 March 2021: net assets £65K£65K'2131 March 2022: net assets £73K£73K'2229 March 2023: net assets £88K£88K'2327 March 2024: net assets £71K£71K'2425 March 2025: net assets £60K£60K'2525 March 2026: net assets £92K£92K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
25 Mar 2026£92K£210K£137K2
25 Mar 2025£60K£132K£80K4
27 Mar 2024£71K£7,144£133K£74K2
29 Mar 2023£88K£53K£174K£72K2
31 Mar 2022£73K£81K£165K£65K2
31 Mar 2021£65K£123K£193K£90K2
31 Mar 2020£45K£44K£164K£122K2
31 Mar 2019£72K£80K£191K£123K2
31 Mar 2016£76K£97K£230K£165K
31 Mar 2015£61K£76K£222K£165K

Where Altair Systems Limited is registered

Altair Systems Limited's registered office on a map of the UK

The registered office is in Stockport (SK7), in the Stockport local authority area, North West. Show SK7 3DY on a map.

Other trade companies in SK7

What happens if Altair Systems 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 25 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late26 Dec 2027 to 25 Jan 2028£150
1 to 3 months late26 Jan 2028 to 25 Mar 2028£375
3 to 6 months late26 Mar 2028 to 25 Jun 2028£750
More than 6 months lateFrom 26 Jun 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late26 Mar 2028£200
3 months late25 Jun 2028another £200
6 months late25 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late25 Mar 2029another 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
04596144
Status
Active
Company type
Private limited company
Incorporated
20 November 2002 (23 years ago)
Registered office
21 Midland Road, Bramhall, Stockport, Cheshire, SK7 3DY
Nature of business
Installation of industrial machinery and equipment (SIC 33200)
Year end
25 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
25 March 2026
Last confirmation statement
21 July 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 Stockport

Other active machinery repair and installation companies registered in Stockport.

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

Frequently asked questions

When are Altair Systems Limited's accounts due?

Altair Systems Limited's next accounts are due at Companies House by 25 December 2027 (in 439 days), covering the period to 25 March 2027.

When is Altair Systems Limited's CT600 due?

The CT600 for the period to 25 March 2027 is due at HMRC by 25 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 26 December 2027.

Is Altair Systems Limited still trading?

Altair Systems Limited is listed as active on the Companies House register (checked 12 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 Altair Systems Limited do?

Altair Systems Limited is registered under Installation of industrial machinery and equipment (SIC 33200).

How old is Altair Systems Limited?

Altair Systems Limited was incorporated on 20 November 2002, 23 years ago.

What is the penalty if Altair Systems 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 Altair Systems 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, rechecked 12 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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