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  4. Atlantis Diesels (UK) Limited

Atlantis Diesels (UK) Limited

ActiveMicro-entity accountsMechanics and garagesIsleworth
Company number
06278194
Incorporated
13 Jun 200719 years trading
Registered office
46 Syon Lane, Isleworth, Middlesex, TW7 5NQ
Nature of business
Maintenance and repair of motor vehicles
Accounts due in
166 days
29 Mar 2027
Net assets
£16K▼
-10.6% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Atlantis Diesels (UK) Limited is a 19-year-old private limited company registered in Isleworth, company number 06278194, one of 27 vehicle repair garages in Isleworth. Its next accounts are due at Companies House on 29 March 2027, and the CT600 for the period to 29 June 2026 is due at HMRC on 29 June 2027.

Key dates

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

Accounts due
29 Mar 2027
in 166 days
For the period to 29 Jun 2026
CT600 due
29 Jun 2027
in 258 days
Period 1 Jul 2025 to 29 Jun 2026
Corporation tax payment
30 Mar 2027
in 167 days
9 months and 1 day after the period end
Confirmation statement
28 Apr 2027
in 196 days
Last made up to 14 Apr 2026

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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 £1,953 (-10.6%) on the year before, to £16K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £5,511 against £25K owed within a year: 0.2 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£10K30 June 2016: net assets -£1,809-£1,809201630 June 2017: net assets -£1,950-£1,950201730 June 2018: net assets £3,569£3,569201830 June 2019: net assets £87£87201930 June 2020: net assets £31£31202030 June 2021: net assets £1,266£1,266202130 June 2022: net assets £1,485£1,485202230 June 2023: net assets £6,452£6,452202330 June 2024: net assets £18K£18K202430 June 2025: net assets £16K£16K2025
Net assets at each year end, 2016 to 2025£0£10K30 June 2016: net assets -£1,809-£1,809'1630 June 2017: net assets -£1,950-£1,950'1730 June 2018: net assets £3,569£3,569'1830 June 2019: net assets £87£87'1930 June 2020: net assets £31£31'2030 June 2021: net assets £1,266£1,266'2130 June 2022: net assets £1,485£1,485'2230 June 2023: net assets £6,452£6,452'2330 June 2024: net assets £18K£18K'2430 June 2025: net assets £16K£16K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2025£16K£5,511£25K1
30 Jun 2024£18K£4,027£22K1
30 Jun 2023£6,452£11K£18K1
30 Jun 2022£1,485£15K£15K1
30 Jun 2021£1,266£13K£13K1
30 Jun 2020£31£12K£6,5141
30 Jun 2019£87£3,223£7,737
30 Jun 2018£3,569£5,075£2,709
30 Jun 2017-£1,950£0£2,550
30 Jun 2016-£1,809£178£178

Where Atlantis Diesels (UK) Limited is registered

Atlantis Diesels (UK) Limited's registered office on a map of the UK

The registered office is in Isleworth (TW7), in the Hounslow local authority area, London. Show TW7 5NQ on a map.

Other trade companies in TW7

Also registered at this address

19 other companies use the same registered office as Atlantis Diesels (UK) Limited.

What happens if Atlantis Diesels (UK) 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 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late30 Mar 2027 to 29 Apr 2027£150
1 to 3 months late30 Apr 2027 to 29 Jun 2027£375
3 to 6 months late30 Jun 2027 to 29 Sep 2027£750
More than 6 months lateFrom 30 Sep 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late30 Jun 2027£200
3 months late29 Sep 2027another £200
6 months late29 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late29 Jun 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
06278194
Status
Active
Company type
Private limited company
Incorporated
13 June 2007 (19 years ago)
Registered office
46 Syon Lane, Isleworth, Middlesex, TW7 5NQ
Nature of business
Maintenance and repair of motor vehicles (SIC 45200)
Year end
29 June (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 June 2025
Last confirmation statement
14 April 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 Isleworth

Other active vehicle repair garages registered in Isleworth.

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

Frequently asked questions

When are Atlantis Diesels (UK) Limited's accounts due?

Atlantis Diesels (UK) Limited's next accounts are due at Companies House by 29 March 2027 (in 166 days), covering the period to 29 June 2026.

When is Atlantis Diesels (UK) Limited's CT600 due?

The CT600 for the period to 29 June 2026 is due at HMRC by 29 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 March 2027.

Is Atlantis Diesels (UK) Limited still trading?

Atlantis Diesels (UK) 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 Atlantis Diesels (UK) Limited do?

Atlantis Diesels (UK) Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).

How old is Atlantis Diesels (UK) Limited?

Atlantis Diesels (UK) Limited was incorporated on 13 June 2007, 19 years ago.

What is the penalty if Atlantis Diesels (UK) 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 Atlantis Diesels (UK) Limited 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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