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  4. Thunder-Z Ltd

Thunder-Z Ltd

ActiveMicro-entity accountsFinishing tradesGrays
Company number
09634160
Incorporated
11 Jun 201511 years trading
Registered office
102 River View, Chadwell ST Mary, Grays, Thurrock, RM16 4BA
Nature of business
Other building completion and finishing
Accounts due in
169 days
31 Mar 2027
Net assets
-£15K▲
+15.4% on the year before
Employees
4
Average during the year
From the Companies House register, 1 Oct 2026

Thunder-Z Ltd is a 11-year-old private limited company registered in Grays, company number 09634160, one of 102 building finishing companies in Grays. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.

Key dates

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

Accounts due
31 Mar 2027
in 169 days
For the period to 30 Jun 2026
CT600 due
30 Jun 2027
in 260 days
Period 1 Jul 2025 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 170 days
9 months and 1 day after the period end
Confirmation statement
25 Jun 2027
in 255 days
Last made up to 11 Jun 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 up £3,580 (+19.4%) on the year before, to -£15K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £19K against £34K owed within a year: 0.6 times cover.
  • 4 employees 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£20K30 June 2016: net assets -£3,474-£3,474201630 June 2017: net assets £333£333201730 June 2018: net assets £66£66201830 June 2019: net assets £91£91201930 June 2020: net assets -£1,841-£1,841202030 June 2021: net assets £723£723202130 June 2022: net assets £24K£24K202230 June 2023: net assets £11K£11K202330 June 2024: net assets -£18K-£18K202430 June 2025: net assets -£15K-£15K2025
Net assets at each year end, 2016 to 2025£0£20K30 June 2016: net assets -£3,474-£3,474'1630 June 2017: net assets £333£333'1730 June 2018: net assets £66£66'1830 June 2019: net assets £91£91'1930 June 2020: net assets -£1,841-£1,841'2030 June 2021: net assets £723£723'2130 June 2022: net assets £24K£24K'2230 June 2023: net assets £11K£11K'2330 June 2024: net assets -£18K-£18K'2430 June 2025: net assets -£15K-£15K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2025-£15K£19K£34K4
30 Jun 2024-£18K£22K£40K4
30 Jun 2023£11K£6,466£12K4
30 Jun 2022£24K£35K£30K5
30 Jun 2021£723£47K£46K6
30 Jun 2020-£1,841£4,049£5,8905
30 Jun 2019£91£12K£15K
30 Jun 2018£66£2,796£8,529
30 Jun 2017£333£8,116£8,116£16K
30 Jun 2016-£3,474£9,582£9,582£25K1

Who runs and owns Thunder-Z Ltd

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
R*** Z***DirectorJun 2015

Person with significant control

Individual · since Apr 2016
R*** Z***
Owns 75% or more of the shares

Where Thunder-Z Ltd is registered

Thunder-Z Ltd's registered office on a map of the UK

The registered office is in Grays (RM16), in the Thurrock local authority area, East of England. Show RM16 4BA on a map.

Other trade companies in RM16

What happens if Thunder-Z 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 31 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2027 to 30 Apr 2027£150
1 to 3 months late1 May 2027 to 30 Jun 2027£375
3 to 6 months late1 Jul 2027 to 30 Sep 2027£750
More than 6 months lateFrom 1 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 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
09634160
Status
Active
Company type
Private limited company
Incorporated
11 June 2015 (11 years ago)
Registered office
102 River View, Chadwell ST Mary, Grays, Thurrock, RM16 4BA
Nature of business
Other building completion and finishing (SIC 43390)
Year end
30 June (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 June 2025
Last confirmation statement
11 June 2026

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in Grays

Other active building finishing companies registered in Grays.

All building finishing companies in Grays · All trades in Grays · Finishing trades across the UK

Frequently asked questions

When are Thunder-Z Ltd's accounts due?

Thunder-Z Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.

When is Thunder-Z Ltd's CT600 due?

The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.

Is Thunder-Z Ltd still trading?

Thunder-Z 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 Thunder-Z Ltd do?

Thunder-Z Ltd is registered under Other building completion and finishing (SIC 43390).

How old is Thunder-Z Ltd?

Thunder-Z Ltd was incorporated on 11 June 2015, 11 years ago.

Who runs Thunder-Z Ltd?

Thunder-Z Ltd has 1 active director, the longest-serving appointed in Jun 2015. Their names and service addresses are on the Companies House register.

Who owns Thunder-Z Ltd?

One person or company has significant control of Thunder-Z Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Thunder-Z 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 Thunder-Z 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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