1. Companies
  2. Mechanics and garages
  3. Scunthorpe
  4. Diagnostic Doc Ltd

Diagnostic Doc Ltd

ActiveTotal exemption (full) accountsMechanics and garagesScunthorpe
Company number
10610355
Incorporated
9 Feb 20179 years trading
Registered office
56 Woodside Drive, Scunthorpe, DN17 2EA
Nature of business
Maintenance and repair of motor vehicles
Accounts due in
414 days
30 Nov 2027
Net assets
£212K▲
+14.4% on the year before
Cash at bank
£89K▲
At 28 Feb 2026
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Diagnostic Doc Ltd is a 9-year-old private limited company registered in Scunthorpe, company number 10610355, one of 95 vehicle repair garages in Scunthorpe. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.

Key dates

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

Accounts due
30 Nov 2027
in 414 days
For the period to 28 Feb 2027
CT600 due
28 Feb 2028
in 504 days
Period 1 Mar 2026 to 28 Feb 2027
Corporation tax payment
1 Dec 2027
in 415 days
9 months and 1 day after the period end
Confirmation statement
22 Feb 2027
in 133 days
Last made up to 8 Feb 2026

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 Diagnostic Doc 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 £27K (+14.4%) on the year before, to £212K.
  • Net assets rose in 7 of 8 year-on-year comparisons on record.
  • Current assets of £195K against £77K owed within a year: 2.5 times cover.
  • 3 employees on average during the year.
  • Balance sheets on record for 9 years, 2018 to 2026.

Net assets by year

Net assets at each year end, 2018 to 2026£0£100K£200K28 February 2018: net assets £16K£16K201828 February 2019: net assets £57K£57K201929 February 2020: net assets £123K£123K202028 February 2021: net assets £158K£158K202128 February 2022: net assets £171K£171K202228 February 2023: net assets £188K£188K202329 February 2024: net assets £194K£194K202428 February 2025: net assets £185K£185K202528 February 2026: net assets £212K£212K2026
Net assets at each year end, 2018 to 2026£0£100K£200K28 February 2018: net assets £16K£16K'1828 February 2019: net assets £57K£57K'1929 February 2020: net assets £123K£123K'2028 February 2021: net assets £158K£158K'2128 February 2022: net assets £171K£171K'2228 February 2023: net assets £188K£188K'2329 February 2024: net assets £194K£194K'2428 February 2025: net assets £185K£185K'2528 February 2026: net assets £212K£212K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2026£212K£89K£195K£77K3
28 Feb 2025£185K£71K£144K£49K3
29 Feb 2024£194K£95K£139K£27K3
28 Feb 2023£188K£127K£167K£47K2
28 Feb 2022£171K£136K£157K£40K2
28 Feb 2021£158K£147K£150K£61K2
29 Feb 2020£123K£103K£137K£71K2
28 Feb 2019£57K£65K£68K£48K1
28 Feb 2018£16K£24K£21K

Where Diagnostic Doc Ltd is registered

Diagnostic Doc Ltd's registered office on a map of the UK

The registered office is in Scunthorpe (DN17), in the North Lincolnshire local authority area, Yorkshire and The Humber. Show DN17 2EA on a map.

Other trade companies in DN17

Also registered at this address

1 other company uses the same registered office as Diagnostic Doc Ltd.

What happens if Diagnostic Doc 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 30 November 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2027 to 31 Dec 2027£150
1 to 3 months late1 Jan 2028 to 29 Feb 2028£375
3 to 6 months late1 Mar 2028 to 31 May 2028£750
More than 6 months lateFrom 1 Jun 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late29 Feb 2028£200
3 months late28 May 2028another £200
6 months late28 Aug 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
10610355
Status
Active
Company type
Private limited company
Incorporated
9 February 2017 (9 years ago)
Registered office
56 Woodside Drive, Scunthorpe, DN17 2EA
Nature of business
Maintenance and repair of motor vehicles (SIC 45200)
Year end
28 February (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
28 February 2026
Last confirmation statement
8 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 Scunthorpe

Other active vehicle repair garages registered in Scunthorpe.

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

Frequently asked questions

When are Diagnostic Doc Ltd's accounts due?

Diagnostic Doc Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.

When is Diagnostic Doc Ltd's CT600 due?

The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.

Is Diagnostic Doc Ltd still trading?

Diagnostic Doc 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 Diagnostic Doc Ltd do?

Diagnostic Doc Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).

How old is Diagnostic Doc Ltd?

Diagnostic Doc Ltd was incorporated on 9 February 2017, 9 years ago.

What is the penalty if Diagnostic Doc 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 Diagnostic Doc 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