1. Companies
  2. Electricians
  3. Derby
  4. Heliosx Limited

Heliosx Limited

ActiveTotal exemption (full) accountsElectriciansDerby
Company number
16482827
Incorporated
29 May 20251 year trading
Registered office
Sadler Bridge Studios, Bold Lane, Derby, DE1 3NT
Nature of business
Electrical installation
Accounts due in
504 days
29 Feb 2028
Net assets
£2,595
At 31 May 2026
Cash at bank
£91K
At 31 May 2026
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Heliosx Limited is a 1-year-old private limited company registered in Derby, company number 16482827, one of 185 electrical contractors in Derby. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.

Key dates

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

Accounts due
29 Feb 2028
in 504 days
For the period to 31 May 2027
CT600 due
31 May 2028
in 596 days
Period 1 Jun 2026 to 31 May 2027
Corporation tax payment
1 Mar 2028
in 505 days
9 months and 1 day after the period end
Confirmation statement
11 Jun 2027
in 241 days
Last made up to 28 May 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 Heliosx Limited

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.

Financial snapshot, 2026

From the balance sheet at 31 May 2026, as filed at Companies House.

Net assets
£2,595
Cash at bank
£91K
Employees
1
Average during the year, including directors

Where Heliosx Limited is registered

Heliosx Limited's registered office on a map of the UK

The registered office is in Derby (DE1), in the Derby local authority area, East Midlands. Show DE1 3NT on a map.

Other trade companies in DE1

Also registered at this address

1 other company uses the same registered office as Heliosx Limited.

What happens if Heliosx 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 February 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2028 to 31 Mar 2028£150
1 to 3 months late1 Apr 2028 to 31 May 2028£375
3 to 6 months late1 Jun 2028 to 31 Aug 2028£750
More than 6 months lateFrom 1 Sep 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2028£200
3 months late31 Aug 2028another £200
6 months late30 Nov 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
16482827
Status
Active
Company type
Private limited company
Incorporated
29 May 2025 (1 year ago)
Registered office
Sadler Bridge Studios, Bold Lane, Derby, DE1 3NT
Nature of business
Electrical installation (SIC 43210)
Year end
31 May (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 May 2026
Last confirmation statement
28 May 2026

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 Derby

Other active electrical contractors registered in Derby.

All electrical contractors in Derby · All trades in Derby · Electricians across the UK

Frequently asked questions

When are Heliosx Limited's accounts due?

Heliosx Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.

When is Heliosx Limited's CT600 due?

The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.

Is Heliosx Limited still trading?

Heliosx 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 Heliosx Limited do?

Heliosx Limited is registered under Electrical installation (SIC 43210).

How old is Heliosx Limited?

Heliosx Limited was incorporated on 29 May 2025, 1 year ago.

What is the penalty if Heliosx 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 Heliosx 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.

File accounts + CT600File now£49Let's talk