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  2. Machinery repair and installation
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  4. Cobra Hydro UK Limited

Cobra Hydro UK Limited

ActiveMicro-entity accountsMachinery repair and installationRomsey
Company number
05471006
Incorporated
3 Jun 200521 years trading
Registered office
Unit 9 Greatbridge Business Park, Budds Lane, Romsey, Hampshire, SO51 0HA
Nature of business
Installation of industrial machinery and equipment
Accounts due in
169 days
31 Mar 2027
Net assets
£1.5M▲
+30.5% on the year before
Employees
10
Average during the year
From the Companies House register, 1 Oct 2026

Cobra Hydro UK Limited is a 21-year-old private limited company registered in Romsey, company number 05471006, one of 18 machinery repair and installation companies in Romsey. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.

Key dates

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

Accounts due
31 Mar 2027
in 169 days
For the period to 30 Jun 2026
CT600 due
30 Jun 2027
in 260 days
Period 1 Jul 2025 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 170 days
9 months and 1 day after the period end
Confirmation statement
29 Nov 2026
in 47 days
Last made up to 15 Nov 2025

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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 £339K (+30.5%) on the year before, to £1.5M.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £1.4M against £953K owed within a year: 1.5 times cover.
  • 10 employees on average, down from 11 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£500K£1M30 June 2016: net assets £461K£461K201630 June 2017: net assets £547K£547K201730 June 2018: net assets £638K£638K201830 June 2019: net assets £644K£644K201930 June 2020: net assets £749K£749K202030 June 2021: net assets £784K£784K202130 June 2022: net assets £707K£707K202230 June 2023: net assets £696K£696K202330 June 2024: net assets £1.1M£1.1M202430 June 2025: net assets £1.5M£1.5M2025
Net assets at each year end, 2016 to 2025£0£500K£1M30 June 2016: net assets £461K£461K'1630 June 2017: net assets £547K£547K'1730 June 2018: net assets £638K£638K'1830 June 2019: net assets £644K£644K'1930 June 2020: net assets £749K£749K'2030 June 2021: net assets £784K£784K'2130 June 2022: net assets £707K£707K'2230 June 2023: net assets £696K£696K'2330 June 2024: net assets £1.1M£1.1M'2430 June 2025: net assets £1.5M£1.5M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2025£1.5M£1.4M£953K10
30 Jun 2024£1.1M£1.5M£848K11
30 Jun 2023£696K£880K£547K10
30 Jun 2022£707K£777K£483K12
30 Jun 2021£784K£510K£121K9
30 Jun 2020£749K£575K£152K
30 Jun 2019£644K£522K£132K
30 Jun 2018£638K£536K£104K
30 Jun 2017£547K£450K£116K
30 Jun 2016£461K£248K£435K£157K

Who runs and owns Cobra Hydro UK Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (3)

NameRoleAppointed
C*** K***DirectorAug 2009
M*** R***DirectorSep 2022
D*** G***SecretaryJun 2005
2 former officers
NameRoleAppointedLeft
M*** B***DirectorJun 2005Dec 2006
G*** G***DirectorJan 2007Aug 2009

People with significant control (3)

Individual · since Jul 2023
M*** R***
Owns 25% to 50% of the shares
Individual · since Jul 2023
C*** K***
Owns 25% to 50% of the shares
Individual · since May 2016
M*** B***
Has significant influence or control

Charges (secured borrowing)

2 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
Lloyds TSB Bank PLCOutstandingMay 2013
Lloyds TSB Bank PLCOutstandingOct 2012

Where Cobra Hydro UK Limited is registered

Cobra Hydro UK Limited's registered office on a map of the UK

The registered office is in Romsey (SO51), in the Test Valley local authority area, South East. Show SO51 0HA on a map.

Other trade companies in SO51

What happens if Cobra Hydro UK 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 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2027 to 30 Apr 2027£150
1 to 3 months late1 May 2027 to 30 Jun 2027£375
3 to 6 months late1 Jul 2027 to 30 Sep 2027£750
More than 6 months lateFrom 1 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
05471006
Status
Active
Company type
Private limited company
Incorporated
3 June 2005 (21 years ago)
Registered office
Unit 9 Greatbridge Business Park, Budds Lane, Romsey, Hampshire, SO51 0HA
Nature of business
Installation of industrial machinery and equipment (SIC 33200)
Year end
30 June (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 June 2025
Last confirmation statement
15 November 2025
Charges (mortgages)
2 outstanding of 2 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 Romsey

Other active machinery repair and installation companies registered in Romsey.

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

Frequently asked questions

When are Cobra Hydro UK Limited's accounts due?

Cobra Hydro UK Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.

When is Cobra Hydro UK Limited's CT600 due?

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

Is Cobra Hydro UK Limited still trading?

Cobra Hydro UK 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 Cobra Hydro UK Limited do?

Cobra Hydro UK Limited is registered under Installation of industrial machinery and equipment (SIC 33200).

How old is Cobra Hydro UK Limited?

Cobra Hydro UK Limited was incorporated on 3 June 2005, 21 years ago.

Who runs Cobra Hydro UK Limited?

Cobra Hydro UK Limited has 2 active directors, the longest-serving appointed in Aug 2009. Their names and service addresses are on the Companies House register.

Who owns Cobra Hydro UK Limited?

3 people or companies have significant control of Cobra Hydro UK Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares); an individual (has significant influence or control).

What is the penalty if Cobra Hydro UK 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 Cobra Hydro UK 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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