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  4. Robust Ae Ltd

Robust Ae Ltd

ActiveTotal exemption (full) accountsElectriciansSouth Croydon
Company number
11269142
Incorporated
22 Mar 20188 years trading
Registered office
8 Spencer Road, South Croydon, CR2 7EH
Nature of business
Electrical installation; Information technology consultancy activities
Accounts due in
80 days
31 Dec 2026
Net assets
£17K▲
+57.5% on the year before
Cash at bank
£37K▲
At 31 Mar 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Robust Ae Ltd is a 8-year-old private limited company registered in South Croydon, company number 11269142, one of 68 electrical contractors in South Croydon. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
3 Apr 2027
in 173 days
Last made up to 20 Mar 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 £6,081 (+57.5%) on the year before, to £17K.
  • Net assets rose in 4 of 6 year-on-year comparisons on record.
  • Current assets of £40K against £24K owed within a year: 1.7 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 7 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£10K31 March 2019: net assets £1£1201931 March 2020: net assets £1£1202031 March 2021: net assets -£4,620-£4,620202131 March 2022: net assets £537£537202231 March 2023: net assets £3,587£3,587202331 March 2024: net assets £11K£11K202431 March 2025: net assets £17K£17K2025
Net assets at each year end, 2019 to 2025£0£10K31 March 2019: net assets £1£1'1931 March 2020: net assets £1£1'2031 March 2021: net assets -£4,620-£4,620'2131 March 2022: net assets £537£537'2231 March 2023: net assets £3,587£3,587'2331 March 2024: net assets £11K£11K'2431 March 2025: net assets £17K£17K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£17K£37K£40K£24K1
31 Mar 2024£11K£26K£28K£17K1
31 Mar 2023£3,587£14K£18K£14K1
31 Mar 2022£537£8,398£8,914£8,3771
31 Mar 2021-£4,620£1,518£6,1381
31 Mar 2020£1£1
31 Mar 2019£1

Who runs and owns Robust Ae Ltd

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

Officer

NameRoleAppointed
G*** H***DirectorMar 2021
1 former officer
NameRoleAppointedLeft
R*** H***DirectorMar 2018Apr 2024

Person with significant control

Individual · since Mar 2021
G*** H***
Owns 75% or more of the shares

Where Robust Ae Ltd is registered

Robust Ae Ltd's registered office on a map of the UK

The registered office is in South Croydon (CR2), in the Croydon local authority area, London. Show CR2 7EH on a map.

Other trade companies in CR2

What happens if Robust Ae 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
11269142
Status
Active
Company type
Private limited company
Incorporated
22 March 2018 (8 years ago)
Registered office
8 Spencer Road, South Croydon, CR2 7EH
Nature of business
Electrical installation (SIC 43210)
Information technology consultancy activities (SIC 62020)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
20 March 2026
Previous names
Mikrocosm Ltd (until 2 Mar 2021)

Filing notes for electrical contractors

Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.

Similar companies in South Croydon

Other active electrical contractors registered in South Croydon.

All electrical contractors in South Croydon · All trades in South Croydon · Electricians across the UK

Frequently asked questions

When are Robust Ae Ltd's accounts due?

Robust Ae Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Robust Ae Ltd's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is Robust Ae Ltd still trading?

Robust Ae 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 Robust Ae Ltd do?

Robust Ae Ltd is registered under Electrical installation (SIC 43210); Information technology consultancy activities (SIC 62020).

How old is Robust Ae Ltd?

Robust Ae Ltd was incorporated on 22 March 2018, 8 years ago.

Who runs Robust Ae Ltd?

Robust Ae Ltd has 1 active director, the longest-serving appointed in Mar 2021. Their names and service addresses are on the Companies House register.

Who owns Robust Ae Ltd?

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

What is the penalty if Robust Ae 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 Robust Ae 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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