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  4. Ian Simm Limited

Ian Simm Limited

ActiveMicro-entity accountsBuildersDarwen
Company number
04988194
Incorporated
8 Dec 200322 years trading
Registered office
10 Borough Road, Darwen, Lancashire, BB3 1PL
Nature of business
Construction of domestic buildings
Accounts due in
352 days
30 Sep 2027
Net assets
£473▼
-94.6% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Ian Simm Limited is a 22-year-old private limited company registered in Darwen, company number 04988194, one of 14 building contractors in Darwen. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 30 December 2026 is due at HMRC on 30 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 352 days
For the period to 30 Dec 2026
CT600 due
30 Dec 2027
in 443 days
Period 31 Dec 2025 to 30 Dec 2026
Corporation tax payment
1 Oct 2027
in 353 days
9 months and 1 day after the period end
Confirmation statement
22 Dec 2026
in 70 days
Last made up to 8 Dec 2025

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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 down £8,341 (-94.6%) on the year before, to £473.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £6,226 against £5,344 owed within a year: 1.2 times cover.
  • 1 employee 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£10K30 December 2016: net assets £851£851201630 December 2017: net assets £355£355201730 December 2018: net assets £512£512201830 December 2019: net assets £1,000£1,000201930 December 2020: net assets £183£183202030 December 2021: net assets £100£100202130 December 2022: net assets £2,173£2,173202230 December 2023: net assets £16K£16K202330 December 2024: net assets £8,814£8,814202430 December 2025: net assets £473£4732025
Net assets at each year end, 2016 to 2025£0£10K30 December 2016: net assets £851£851'1630 December 2017: net assets £355£355'1730 December 2018: net assets £512£512'1830 December 2019: net assets £1,000£1,000'1930 December 2020: net assets £183£183'2030 December 2021: net assets £100£100'2130 December 2022: net assets £2,173£2,173'2230 December 2023: net assets £16K£16K'2330 December 2024: net assets £8,814£8,814'2430 December 2025: net assets £473£473'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Dec 2025£473£6,226£5,3441
30 Dec 2024£8,814£3,690£7,3901
30 Dec 2023£16K£3,981£4,7241
30 Dec 2022£2,173£3,562£24K1
30 Dec 2021£100£3,202£5,1081
30 Dec 2020£183£5,373£7,5271
30 Dec 2019£1,000£4,270£6,2681
30 Dec 2018£512£5,993£9,3281
30 Dec 2017£355
30 Dec 2016£851£2,321£7,830

Who runs and owns Ian Simm Limited

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

Officer

NameRoleAppointed
I*** S***DirectorDec 2003
2 former officers
NameRoleAppointedLeft
C*** S***SecretaryDec 2003Dec 2004
F*** S***SecretaryDec 2004Mar 2011

Person with significant control

Individual · since Apr 2016
I*** S***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Ian Simm Limited is registered

Ian Simm Limited's registered office on a map of the UK

The registered office is in Darwen (BB3), in the Blackburn with Darwen local authority area, North West. Show BB3 1PL on a map.

Other trade companies in BB3

Also registered at this address

13 other companies use the same registered office as Ian Simm Limited.

What happens if Ian Simm 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 30 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late31 Dec 2027£200
3 months late30 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Dec 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
04988194
Status
Active
Company type
Private limited company
Incorporated
8 December 2003 (22 years ago)
Registered office
10 Borough Road, Darwen, Lancashire, BB3 1PL
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
30 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 December 2025
Last confirmation statement
8 December 2025

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies in Darwen

Other active building contractors registered in Darwen.

All building contractors in Darwen · All trades in Darwen · Builders across the UK

Frequently asked questions

When are Ian Simm Limited's accounts due?

Ian Simm Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 30 December 2026.

When is Ian Simm Limited's CT600 due?

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

Is Ian Simm Limited still trading?

Ian Simm 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 Ian Simm Limited do?

Ian Simm Limited is registered under Construction of domestic buildings (SIC 41202).

How old is Ian Simm Limited?

Ian Simm Limited was incorporated on 8 December 2003, 22 years ago.

Who runs Ian Simm Limited?

Ian Simm Limited has 1 active director, the longest-serving appointed in Dec 2003. Their names and service addresses are on the Companies House register.

Who owns Ian Simm Limited?

One person or company has significant control of Ian Simm Limited: an individual (owns 75% or more of the shares).

What is the penalty if Ian Simm 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 Ian Simm 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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