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  4. Reline Diagnostics Ltd

Reline Diagnostics Ltd

ActiveNo accounts filed yet accountsMechanics and garagesLondon
Company number
16662154
Incorporated
20 Aug 20251 year trading
Registered office
3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
Nature of business
Maintenance and repair of motor vehicles
Accounts due in
220 days
20 May 2027
From the Companies House register, 1 Oct 2026

Reline Diagnostics Ltd is a 1-year-old private limited company registered in London, company number 16662154, one of 2,410 vehicle repair garages in London. Its next accounts are due at Companies House on 20 May 2027, and its first CT600 is due at HMRC on 19 August 2027.

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
20 May 2027
in 220 days
For the period to 31 Aug 2026
CT600 due (first of two)
19 Aug 2027
in 311 days
Period 20 Aug 2025 to 19 Aug 2026
CT600 due (second of two)
31 Aug 2027
in 323 days
Period 20 Aug 2026 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 232 days
9 months and 1 day after the period end
Confirmation statement
2 Sep 2027
in 325 days
Last made up to 19 Aug 2026

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Where Reline Diagnostics Ltd is registered

Reline Diagnostics Ltd's registered office on a map of the UK

The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.

Other trade companies in EC2A

Shared registered office

1,581 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 Reline Diagnostics 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 20 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late21 May 2027 to 20 Jun 2027£150
1 to 3 months late21 Jun 2027 to 20 Aug 2027£375
3 to 6 months late21 Aug 2027 to 20 Nov 2027£750
More than 6 months lateFrom 21 Nov 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
16662154
Status
Active
Company type
Private limited company
Incorporated
20 August 2025 (1 year ago)
Registered office
3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
Nature of business
Maintenance and repair of motor vehicles (SIC 45200)
Year end
31 August (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
19 August 2026

Filing notes for vehicle repair garages

Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.

Similar companies in London

Other active vehicle repair garages registered in London.

All vehicle repair garages in London · All trades in London · Mechanics and garages across the UK

Frequently asked questions

When are Reline Diagnostics Ltd's accounts due?

Reline Diagnostics Ltd's next accounts are due at Companies House by 20 May 2027 (in 220 days), covering the period to 31 August 2026.

When is Reline Diagnostics 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 19 August 2026, due by 19 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Reline Diagnostics Ltd still trading?

Reline Diagnostics 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 Reline Diagnostics Ltd do?

Reline Diagnostics Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).

How old is Reline Diagnostics Ltd?

Reline Diagnostics Ltd was incorporated on 20 August 2025, 1 year ago.

What is the penalty if Reline Diagnostics 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 Reline Diagnostics 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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