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  4. Obrien Auto Diagnostics Ltd

Obrien Auto Diagnostics Ltd

ActiveNo accounts filed yet accountsMechanics and garagesLivingston
Company number
SC836796
Incorporated
6 Feb 20251 year trading
Registered office
14 Camps Rigg, Livingston, EH54 8PD
Nature of business
Maintenance and repair of motor vehicles
Accounts due in
25 days
6 Nov 2026
From the Companies House register, 1 Oct 2026

Obrien Auto Diagnostics Ltd is a 1-year-old private limited company registered in Livingston, company number SC836796, one of 24 vehicle repair garages in Livingston. Its next accounts are due at Companies House on 6 November 2026, and its first CT600 is due at HMRC on 5 February 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
6 Nov 2026
in 25 days
For the period to 28 Feb 2026
CT600 due (first of two)
5 Feb 2027
in 116 days
Period 6 Feb 2025 to 5 Feb 2026
CT600 due (second of two)
28 Feb 2027
in 139 days
Period 6 Feb 2026 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 50 days
9 months and 1 day after the period end
Confirmation statement
19 Feb 2027
in 130 days
Last made up to 5 Feb 2026

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Where Obrien Auto Diagnostics Ltd is registered

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

The registered office is in Livingston (EH54), in the West Lothian local authority area, Scotland. Show EH54 8PD on a map.

Other trade companies in EH54

What happens if Obrien Auto 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 6 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late7 Nov 2026 to 6 Dec 2026£150
1 to 3 months late7 Dec 2026 to 6 Feb 2027£375
3 to 6 months late7 Feb 2027 to 6 May 2027£750
More than 6 months lateFrom 7 May 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
SC836796
Status
Active
Company type
Private limited company
Incorporated
6 February 2025 (1 year ago)
Registered office
14 Camps Rigg, Livingston, EH54 8PD
Nature of business
Maintenance and repair of motor vehicles (SIC 45200)
Year end
28 February (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
5 February 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 Livingston

Other active vehicle repair garages registered in Livingston.

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

Frequently asked questions

When are Obrien Auto Diagnostics Ltd's accounts due?

Obrien Auto Diagnostics Ltd's next accounts are due at Companies House by 6 November 2026 (in 25 days), covering the period to 28 February 2026.

When is Obrien Auto 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 5 February 2026, due by 5 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Obrien Auto Diagnostics Ltd still trading?

Obrien Auto 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 Obrien Auto Diagnostics Ltd do?

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

How old is Obrien Auto Diagnostics Ltd?

Obrien Auto Diagnostics Ltd was incorporated on 6 February 2025, 1 year ago.

What is the penalty if Obrien Auto 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 Obrien Auto 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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