1. Companies
  2. Electricians
  3. Hertford
  4. Nexum Fire & Security Limited

Nexum Fire & Security Limited

ActiveNo accounts filed yet accountsElectriciansHertford
Company number
17237231
Incorporated
22 May 2026
Registered office
Unit 8/9, Dicker Mill, Hertford, SG13 7AA
Nature of business
Electrical installation
Accounts due in
497 days
22 Feb 2028
From the Companies House register, 1 Oct 2026

Nexum Fire & Security Limited is a newly incorporated private limited company registered in Hertford, company number 17237231, one of 54 electrical contractors in Hertford. Its next accounts are due at Companies House on 22 February 2028, and its first CT600 is due at HMRC on 21 May 2028.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
22 Feb 2028
in 497 days
For the period to 31 May 2027
CT600 due (first of two)
21 May 2028
in 586 days
Period 22 May 2026 to 21 May 2027
CT600 due (second of two)
31 May 2028
in 596 days
Period 22 May 2027 to 31 May 2027
Corporation tax payment
1 Mar 2028
in 505 days
9 months and 1 day after the period end
Confirmation statement
4 Jun 2027
in 234 days

Is this your company?

File the first 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 Nexum Fire & Security 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.

Who runs and owns Nexum Fire & Security Limited

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

Officers (3)

NameRoleAppointed
B*** B***DirectorMay 2026
R*** B***DirectorMay 2026
K*** M***DirectorMay 2026

Person with significant control

Company · since May 2026
B Baker Holdings Ltd
Owns 50% to 75% of the shares
Holds 50% to 75% of the votes
Can appoint and remove directors

Where Nexum Fire & Security Limited is registered

Nexum Fire & Security Limited's registered office on a map of the UK

The registered office is in Hertford (SG13), in the East Hertfordshire local authority area, East of England. Show SG13 7AA on a map.

Other trade companies in SG13

Also registered at this address

1 other company uses the same registered office as Nexum Fire & Security Limited.

What happens if Nexum Fire & Security 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 22 February 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late23 Feb 2028 to 22 Mar 2028£150
1 to 3 months late23 Mar 2028 to 22 May 2028£375
3 to 6 months late23 May 2028 to 22 Aug 2028£750
More than 6 months lateFrom 23 Aug 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
17237231
Status
Active
Company type
Private limited company
Incorporated
22 May 2026
Registered office
Unit 8/9, Dicker Mill, Hertford, SG13 7AA
Nature of business
Electrical installation (SIC 43210)
Year end
31 May (accounting reference date)
Accounts type
No accounts filed yet

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 Hertford

Other active electrical contractors registered in Hertford.

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

Frequently asked questions

When are Nexum Fire & Security Limited's accounts due?

Nexum Fire & Security Limited's next accounts are due at Companies House by 22 February 2028 (in 497 days), covering the period to 31 May 2027.

When is Nexum Fire & Security Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 21 May 2027, due by 21 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Nexum Fire & Security Limited still trading?

Nexum Fire & Security 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 Nexum Fire & Security Limited do?

Nexum Fire & Security Limited is registered under Electrical installation (SIC 43210).

How old is Nexum Fire & Security Limited?

Nexum Fire & Security Limited was incorporated on 22 May 2026, less than a year ago.

Who runs Nexum Fire & Security Limited?

Nexum Fire & Security Limited has 3 active directors, the longest-serving appointed in May 2026. Their names and service addresses are on the Companies House register.

Who owns Nexum Fire & Security Limited?

One person or company has significant control of Nexum Fire & Security Limited: B Baker Holdings Ltd (owns 50% to 75% of the shares).

What is the penalty if Nexum Fire & Security 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 Nexum Fire & Security 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