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  4. The Alarm Company (Norwich) Limited

The Alarm Company (Norwich) Limited

ActiveTotal exemption (full) accountsElectriciansNorwich
Company number
02739209
Incorporated
6 Aug 199234 years trading
Registered office
Gainsborough House Dewing Road, Rackheath Industrial Estate, Rackheath, Norwich, NR13 6PS
Nature of business
Electrical installation; Security systems service activities
Accounts due in
229 days
31 May 2027
Net assets
£276K▲
+22.9% on the year before
Cash at bank
£171K▲
At 31 Aug 2025
Employees
24
Average during the year
From the Companies House register, 1 Oct 2026

The Alarm Company (Norwich) Limited is a 34-year-old private limited company registered in Norwich, company number 02739209, one of 266 electrical contractors in Norwich. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

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

Accounts due
31 May 2027
in 229 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 321 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 230 days
9 months and 1 day after the period end
Confirmation statement
3 Jun 2027
in 232 days
Last made up to 20 May 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 £52K (+22.9%) on the year before, to £276K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £585K against £487K owed within a year: 1.2 times cover.
  • 24 employees on average, down from 25 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£200K31 August 2016: net assets £272K£272K201631 August 2017: net assets £229K£229K201731 August 2018: net assets £182K£182K201831 August 2019: net assets £281K£281K201931 August 2020: net assets £284K£284K202031 August 2021: net assets £364K£364K202131 August 2022: net assets £379K£379K202231 August 2023: net assets £306K£306K202331 August 2024: net assets £225K£225K202431 August 2025: net assets £276K£276K2025
Net assets at each year end, 2016 to 2025£0£200K31 August 2016: net assets £272K£272K'1631 August 2017: net assets £229K£229K'1731 August 2018: net assets £182K£182K'1831 August 2019: net assets £281K£281K'1931 August 2020: net assets £284K£284K'2031 August 2021: net assets £364K£364K'2131 August 2022: net assets £379K£379K'2231 August 2023: net assets £306K£306K'2331 August 2024: net assets £225K£225K'2431 August 2025: net assets £276K£276K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2025£276K£171K£585K£487K24
31 Aug 2024£225K£109K£635K£485K25
31 Aug 2023£306K£74K£790K£498K25
31 Aug 2022£379K£41K£656K£487K28
31 Aug 2021£364K£123K£895K£716K30
31 Aug 2020£284K£70K£703K£557K30
31 Aug 2019£281K£44K£1M£852K
31 Aug 2018£182K£99K£682K£483K27
31 Aug 2017£229K£10K£642K£547K
31 Aug 2016£272K£37K£568K£429K

Who runs and owns The Alarm Company (Norwich) Limited

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

Officers (5)

NameRoleAppointed
R*** T***DirectorAug 1992
A*** T***DirectorJan 2015
B*** T***DirectorSep 2022
N*** T***DirectorSep 2022
A*** T***SecretarySep 2007
4 former officers
NameRoleAppointedLeft
R*** T***SecretaryAug 1992Sep 2007
Swift Incorporations LimitedCorporate Nominee SecretaryAug 1992Aug 1992
S*** D***DirectorAug 1992Sep 2007
Instant Companies LimitedNominee director (company)Aug 1992Aug 1992

People with significant control (2)

Individual · since Aug 2016
R*** T***
Owns 50% to 75% of the shares
Holds 50% to 75% of the votes
Can appoint and remove directors
Individual · since Aug 2016
A*** T***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes

Charges (secured borrowing)

2 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
Barclays Bank PLCOutstandingSep 2015
Barclays Bank PLCOutstandingFeb 1993

Public contracts won

The Alarm Company (Norwich) Limited has 2 public sector contract awards on record; the ones with their own published value total £49K (2022). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.

Awards by year

20222

Main buyers

  • Diocese of Norwich Education and Academies Trust2 awards
BuyerContractValueAwarded
Diocese of Norwich Education and Academies TrustCA9935 - DNEAT & St Benet's Fire Alarm Maintenance£27K26 Apr 2022
Diocese of Norwich Education and Academies TrustCA10136 - Servicing of Intruder Alarms, Access Control and CCTV Systems contract across various schools within DNEAT and St Benet's.£23K26 Apr 2022

Where The Alarm Company (Norwich) Limited is registered

The Alarm Company (Norwich) Limited's registered office on a map of the UK

The registered office is in Norwich (NR13), in the Broadland local authority area, East of England. Show NR13 6PS on a map.

Other trade companies in NR13

What happens if The Alarm Company (Norwich) 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 31 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jun 2027 to 30 Jun 2027£150
1 to 3 months late1 Jul 2027 to 31 Aug 2027£375
3 to 6 months late1 Sep 2027 to 30 Nov 2027£750
More than 6 months lateFrom 1 Dec 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
02739209
Status
Active
Company type
Private limited company
Incorporated
6 August 1992 (34 years ago)
Registered office
Gainsborough House Dewing Road, Rackheath Industrial Estate, Rackheath, Norwich, NR13 6PS
Nature of business
Electrical installation (SIC 43210)
Security systems service activities (SIC 80200)
Year end
31 August (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 August 2025
Last confirmation statement
20 May 2026
Charges (mortgages)
2 outstanding of 2 registered

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 Norwich

Other active electrical contractors registered in Norwich.

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

Frequently asked questions

When are The Alarm Company (Norwich) Limited's accounts due?

The Alarm Company (Norwich) Limited's next accounts are due at Companies House by 31 May 2027 (in 229 days), covering the period to 31 August 2026.

When is The Alarm Company (Norwich) Limited's CT600 due?

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

Is The Alarm Company (Norwich) Limited still trading?

The Alarm Company (Norwich) 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 The Alarm Company (Norwich) Limited do?

The Alarm Company (Norwich) Limited is registered under Electrical installation (SIC 43210); Security systems service activities (SIC 80200).

How old is The Alarm Company (Norwich) Limited?

The Alarm Company (Norwich) Limited was incorporated on 6 August 1992, 34 years ago.

Who runs The Alarm Company (Norwich) Limited?

The Alarm Company (Norwich) Limited has 4 active directors, the longest-serving appointed in Aug 1992. Their names and service addresses are on the Companies House register.

Who owns The Alarm Company (Norwich) Limited?

2 people or companies have significant control of The Alarm Company (Norwich) Limited: an individual (owns 50% to 75% of the shares); an individual (owns 25% to 50% of the shares).

Has The Alarm Company (Norwich) Limited won public sector contracts?

Yes. The Alarm Company (Norwich) Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £49K), most recently from Diocese of Norwich Education and Academies Trust.

What is the penalty if The Alarm Company (Norwich) 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 The Alarm Company (Norwich) 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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