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  4. Csem Technologies Limited

Csem Technologies Limited

ActiveTotal exemption (full) accountsMachinery repair and installationAlfreton
Company number
06978830
Incorporated
3 Aug 200917 years trading
Registered office
Unit 11 Cotes Park Industrial Estate, Somercotes, Alfreton, DE55 4RF
Nature of business
Installation of industrial machinery and equipment
Accounts due in
80 days
31 Dec 2026
Net assets
£160K▲
+88.8% on the year before
Cash at bank
£94K▲
At 31 Mar 2025
Employees
9
Average during the year
From the Companies House register, 1 Oct 2026

Csem Technologies Limited is a 17-year-old private limited company registered in Alfreton, company number 06978830, one of 27 machinery repair and installation companies in Alfreton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
1 Sep 2027
in 324 days
Last made up to 18 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 £75K (+88.8%) on the year before, to £160K.
  • Net assets rose in 6 of 7 year-on-year comparisons on record.
  • Current assets of £892K against £457K owed within a year: 2.0 times cover.
  • 9 employees on average during the year.
  • Balance sheets on record for 8 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£100K30 September 2017: net assets £9,699£9,699201730 September 2018: net assets £14K£14K201830 September 2019: net assets £54K£54K201930 September 2020: net assets £84K£84K202031 March 2022: net assets £159K£159K202231 March 2023: net assets £40K£40K202331 March 2024: net assets £85K£85K202431 March 2025: net assets £160K£160K2025
Net assets at each year end, 2017 to 2025£0£100K30 September 2017: net assets £9,699£9,699'1730 September 2018: net assets £14K£14K'1830 September 2019: net assets £54K£54K'1930 September 2020: net assets £84K£84K'2031 March 2022: net assets £159K£159K'2231 March 2023: net assets £40K£40K'2331 March 2024: net assets £85K£85K'2431 March 2025: net assets £160K£160K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£160K£94K£892K£457K9
31 Mar 2024£85K£852£832K£715K9
31 Mar 2023£40K£23K£721K£649K16
31 Mar 2022£159K£54K£1.2M£1.1M16
30 Sep 2020£84K£63K£693K£613K16
30 Sep 2019£54K£2,047£553K£426K
30 Sep 2018£14K£395£592K£460K
30 Sep 2017£9,699£250£494K£364K

Where Csem Technologies Limited is registered

Csem Technologies Limited's registered office on a map of the UK

The registered office is in Alfreton (DE55), in the Bolsover local authority area, East Midlands. Show DE55 4RF on a map.

Other trade companies in DE55

What happens if Csem Technologies 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
06978830
Status
Active
Company type
Private limited company
Incorporated
3 August 2009 (17 years ago)
Registered office
Unit 11 Cotes Park Industrial Estate, Somercotes, Alfreton, DE55 4RF
Nature of business
Installation of industrial machinery and equipment (SIC 33200)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
18 August 2026
Charges (mortgages)
3 outstanding of 13 registered
Previous names
Compressor Services (East Midlands) Limited (until 29 Apr 2020)
Ellmath (181) Limited (until 31 Oct 2009)

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 Alfreton

Other active machinery repair and installation companies registered in Alfreton.

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

Frequently asked questions

When are Csem Technologies Limited's accounts due?

Csem Technologies Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Csem Technologies Limited's CT600 due?

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

Is Csem Technologies Limited still trading?

Csem Technologies 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 Csem Technologies Limited do?

Csem Technologies Limited is registered under Installation of industrial machinery and equipment (SIC 33200).

How old is Csem Technologies Limited?

Csem Technologies Limited was incorporated on 3 August 2009, 17 years ago.

What is the penalty if Csem Technologies 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 Csem Technologies 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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