- Companies
- Specialist contractors
- London
- Zyk Mechanical Services Limited
Zyk Mechanical Services Limited
- Company number
- 08524255
- Incorporated
- 10 May 201313 years trading
- Registered office
- Suite 609 - Britannia House, 1-11 Glenthrone Road, London, W6 0LH
- Nature of business
- Other specialised construction activities n.e.c.
Zyk Mechanical Services Limited is a 13-year-old private limited company registered in London, company number 08524255, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 down £602 (-0.6%) on the year before, to £93K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £93K | £93K | 1 | ||
| 31 May 2025 | £94K | £94K | 1 | ||
| 31 May 2024 | £95K | £95K | 1 | ||
| 31 May 2023 | £96K | £14 | £110K | 1 | |
| 31 May 2022 | £98K | £1 | £118K | 1 | |
| 31 May 2021 | £101K | £847 | £127K | 1 | |
| 31 May 2020 | £111K | £6,903 | £137K | 1 | |
| 31 May 2019 | £105K | £251 | £121K | £15K | 1 |
| 31 May 2018 | £90K | £3,333 | £92K | £1,153 | 1 |
| 31 May 2017 | £78K | £85K | £5,486 |
Where Zyk Mechanical Services Limited is registered
The registered office is in London (W6), in the Hammersmith and Fulham local authority area, London. Show W6 0LH on a map.
Other trade companies in W6
- Goldhawk Contractors LtdInstallers
- Glow Trading LtdCleaning companies
- Element 4 Construction LtdFinishing trades
- Deluxe Partners LtdCleaning companies
- Starline Motors LimitedMotor traders
- Piotr Olechno Decorator LtdPainters and decorators
- PHJ Construction LtdBuilders
- Tribesell Motors LimitedMotor traders
Also registered at this address
5 other companies use the same registered office as Zyk Mechanical Services Limited.
- Development Vision 2O2O LimitedCivil engineering
- Fox Rua Engineering LimitedCivil engineering
- Kad Consulting Engineers LimitedCivil engineering
- Moodley UK LimitedCleaning companies
- Simo Consulting LimitedCivil engineering
What happens if Zyk Mechanical 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | another 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
- 08524255
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 May 2013 (13 years ago)
- Registered office
- Suite 609 - Britannia House, 1-11 Glenthrone Road, London, W6 0LH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 27 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
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- 100MM Limited2026
- 123 Surveyors Ltd2021
- 15 Square Meter Ltd2019
- 16-18 Paxton Place Limited2015
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All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Zyk Mechanical Services Limited's accounts due?
Zyk Mechanical Services Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Zyk Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Zyk Mechanical Services Limited still trading?
Zyk Mechanical 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 Zyk Mechanical Services Limited do?
Zyk Mechanical Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Zyk Mechanical Services Limited?
Zyk Mechanical Services Limited was incorporated on 10 May 2013, 13 years ago.
What is the penalty if Zyk Mechanical 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 Zyk Mechanical Services Limited on Companies House for filed documents, officers and the full history.
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.