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  4. Protech Engineers Ltd

Protech Engineers Ltd

ActiveNo accounts filed yet accountsMachinery repair and installationLondon
Company number
17288230
Incorporated
19 Jun 2026
Registered office
Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
Nature of business
Repair of other equipment
Accounts due in
524 days
19 Mar 2028
From the Companies House register, 1 Oct 2026

Protech Engineers Ltd is a newly incorporated private limited company registered in London, company number 17288230, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 19 March 2028, and its first CT600 is due at HMRC on 18 June 2028.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
19 Mar 2028
in 524 days
For the period to 30 Jun 2027
CT600 due (first of two)
18 Jun 2028
in 615 days
Period 19 Jun 2026 to 18 Jun 2027
CT600 due (second of two)
30 Jun 2028
in 627 days
Period 19 Jun 2027 to 30 Jun 2027
Corporation tax payment
1 Apr 2028
in 537 days
9 months and 1 day after the period end
Confirmation statement
2 Jul 2027
in 263 days

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Where Protech Engineers Ltd is registered

Protech Engineers Ltd's registered office on a map of the UK

The registered office is in London (WC2A), in the City of London local authority area, London. Show WC2A 1HR on a map.

Other trade companies in WC2A

Shared registered office

173 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 Protech Engineers 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 19 March 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late20 Mar 2028 to 19 Apr 2028£150
1 to 3 months late20 Apr 2028 to 19 Jun 2028£375
3 to 6 months late20 Jun 2028 to 19 Sep 2028£750
More than 6 months lateFrom 20 Sep 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2028£200
3 months late30 Sep 2028another £200
6 months late30 Dec 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
17288230
Status
Active
Company type
Private limited company
Incorporated
19 June 2026
Registered office
Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
Nature of business
Repair of other equipment (SIC 33190)
Year end
30 June (accounting reference date)
Accounts type
No accounts filed yet

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 Protech Engineers Ltd's accounts due?

Protech Engineers Ltd's next accounts are due at Companies House by 19 March 2028 (in 524 days), covering the period to 30 June 2027.

When is Protech Engineers Ltd's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 June 2027, due by 18 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Protech Engineers Ltd still trading?

Protech Engineers 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 Protech Engineers Ltd do?

Protech Engineers Ltd is registered under Repair of other equipment (SIC 33190).

How old is Protech Engineers Ltd?

Protech Engineers Ltd was incorporated on 19 June 2026, less than a year ago.

What is the penalty if Protech Engineers 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 Protech Engineers 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.

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