1. Companies
  2. Machinery repair and installation
  3. London
  4. Hydrotech Systems Services Ltd

Hydrotech Systems Services Ltd

ActiveMicro-entity accountsMachinery repair and installationLondon
Company number
10167947
Incorporated
7 May 201610 years trading
Registered office
20-22 Wenlock Road, London, N1 7GU
Nature of business
Repair of other equipment
Accounts due in
111 days
31 Jan 2027
Net assets
£83K▲
+5.9% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Hydrotech Systems Services Ltd is a 10-year-old private limited company registered in London, company number 10167947, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.

Key dates

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

Accounts due
31 Jan 2027
in 111 days
For the period to 30 Apr 2026
CT600 due
30 Apr 2027
in 200 days
Period 1 May 2025 to 30 Apr 2026
Corporation tax payment
1 Feb 2027
in 112 days
9 months and 1 day after the period end
Confirmation statement
4 Jan 2027
in 84 days
Last made up to 21 Dec 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 Hydrotech Systems Services 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 £4,666 (+5.9%) on the year before, to £83K.
  • Net assets rose in 5 of 8 year-on-year comparisons on record.
  • Current assets of £11K against £65K owed within a year: 0.2 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£50K30 April 2017: net assets -£563-£563201730 April 2018: net assets £61K£61K201830 April 2019: net assets £85K£85K201930 April 2020: net assets £75K£75K202030 April 2021: net assets £78K£78K202130 April 2022: net assets £76K£76K202230 April 2023: net assets £74K£74K202330 April 2024: net assets £79K£79K202430 April 2025: net assets £83K£83K2025
Net assets at each year end, 2017 to 2025£0£50K30 April 2017: net assets -£563-£563'1730 April 2018: net assets £61K£61K'1830 April 2019: net assets £85K£85K'1930 April 2020: net assets £75K£75K'2030 April 2021: net assets £78K£78K'2130 April 2022: net assets £76K£76K'2230 April 2023: net assets £74K£74K'2330 April 2024: net assets £79K£79K'2430 April 2025: net assets £83K£83K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025£83K£11K£65K1
30 Apr 2024£79K£12K£57K1
30 Apr 2023£74K£18K£52K3
30 Apr 2022£76K£22K£52K4
30 Apr 2021£78K£28K£57K4
30 Apr 2020£75K£19K£94K4
30 Apr 2019£85K£8,731£94K
30 Apr 2018£61K£12K£80K
30 Apr 2017-£563£1,461£2,024

Who runs and owns Hydrotech Systems Services Ltd

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

Officer

NameRoleAppointed
M*** F***DirectorMay 2016

Person with significant control

Individual · since May 2016
M*** F***
Owns 75% or more of the shares

Charges (secured borrowing)

1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
Alfandari Private Equities LimitedOutstandingMay 2018

Where Hydrotech Systems Services Ltd is registered

Hydrotech Systems Services Ltd's registered office on a map of the UK

The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.

Other trade companies in N1

Shared registered office

804 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Hydrotech Systems Services 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 31 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2027 to 28 Feb 2027£150
1 to 3 months late1 Mar 2027 to 30 Apr 2027£375
3 to 6 months late1 May 2027 to 31 Jul 2027£750
More than 6 months lateFrom 1 Aug 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 May 2027£200
3 months late30 Jul 2027another £200
6 months late30 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Apr 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
10167947
Status
Active
Company type
Private limited company
Incorporated
7 May 2016 (10 years ago)
Registered office
20-22 Wenlock Road, London, N1 7GU
Nature of business
Repair of other equipment (SIC 33190)
Year end
30 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 April 2025
Last confirmation statement
21 December 2025
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 London

Other active machinery repair and installation companies registered in London.

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

Frequently asked questions

When are Hydrotech Systems Services Ltd's accounts due?

Hydrotech Systems Services Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.

When is Hydrotech Systems Services Ltd's CT600 due?

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

Is Hydrotech Systems Services Ltd still trading?

Hydrotech Systems Services 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 Hydrotech Systems Services Ltd do?

Hydrotech Systems Services Ltd is registered under Repair of other equipment (SIC 33190).

How old is Hydrotech Systems Services Ltd?

Hydrotech Systems Services Ltd was incorporated on 7 May 2016, 10 years ago.

Who runs Hydrotech Systems Services Ltd?

Hydrotech Systems Services Ltd has 1 active director, the longest-serving appointed in May 2016. Their names and service addresses are on the Companies House register.

Who owns Hydrotech Systems Services Ltd?

One person or company has significant control of Hydrotech Systems Services Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Hydrotech Systems Services 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 Hydrotech Systems Services 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