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Mills Macmillan Limited

ActiveMicro-entity accountsBuildersDereham
Company number
02719507
Incorporated
2 Jun 199234 years trading
Registered office
24E Norwich Street, Dereham, NR19 1BX
Nature of business
Construction of commercial buildings; Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Accounts due in
78 days
30 Dec 2026
Net assets
£1,587▼
-92.1% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Mills Macmillan Limited is a 34-year-old private limited company registered in Dereham, company number 02719507, one of 35 building contractors in Dereham. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 2027.

Key dates

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

Accounts due
30 Dec 2026
in 78 days
For the period to 30 Mar 2026
CT600 due
30 Mar 2027
in 168 days
Period 31 Mar 2025 to 30 Mar 2026
Corporation tax payment
31 Dec 2026
in 79 days
9 months and 1 day after the period end
Confirmation statement
16 Jun 2027
in 246 days
Last made up to 2 Jun 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 down £18K (-92.1%) on the year before, to £1,587.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £71K against £119K owed within a year: 0.6 times cover.
  • 2 employees 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£20K£40K31 March 2016: net assets £702£702201631 March 2017: net assets £1,974£1,974201731 March 2018: net assets £250£250201831 March 2019: net assets £16K£16K201931 March 2020: net assets £6,104£6,104202031 March 2021: net assets £48K£48K202130 March 2022: net assets £28K£28K202230 March 2023: net assets £42K£42K202330 March 2024: net assets £20K£20K202430 March 2025: net assets £1,587£1,5872025
Net assets at each year end, 2016 to 2025£0£20K£40K31 March 2016: net assets £702£702'1631 March 2017: net assets £1,974£1,974'1731 March 2018: net assets £250£250'1831 March 2019: net assets £16K£16K'1931 March 2020: net assets £6,104£6,104'2031 March 2021: net assets £48K£48K'2130 March 2022: net assets £28K£28K'2230 March 2023: net assets £42K£42K'2330 March 2024: net assets £20K£20K'2430 March 2025: net assets £1,587£1,587'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Mar 2025£1,587£71K£119K2
30 Mar 2024£20K£58K£135K2
30 Mar 2023£42K£85K£198K2
30 Mar 2022£28K£72K£126K0
31 Mar 2021£48K£12K£87K1
31 Mar 2020£6,104£32K1
31 Mar 2019£16K£54K£94K
31 Mar 2018£250£33K£101K
31 Mar 2017£1,974£9,525£7,551
31 Mar 2016£702£9,209£12K£13K

Who runs and owns Mills Macmillan Limited

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

Officer

NameRoleAppointed
D*** B***DirectorDec 2016
5 former officers
NameRoleAppointedLeft
S*** B***SecretaryJun 1992Jan 2017
Swift Incorporations LimitedCorporate Nominee SecretaryJun 1992Jun 1992
D*** B***DirectorJun 1992Jan 1993
R*** B***DirectorJun 1992Jan 2017
S*** B***DirectorJun 1992Jan 2017

Person with significant control

Individual · since Dec 2016
D*** B***
Owns 75% or more of the shares

Charges (secured borrowing)

1 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
Lloyds TSB Bank PLCOutstandingJan 2007
Lloyds Bank PLCSatisfied Feb 2000Mar 1996

Where Mills Macmillan Limited is registered

Mills Macmillan Limited's registered office on a map of the UK

The registered office is in Dereham (NR19), in the Breckland local authority area, East of England. Show NR19 1BX on a map.

Other trade companies in NR19

Shared registered office

30 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Mills Macmillan 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 Dec 2026 to 30 Jan 2027£150
1 to 3 months late31 Jan 2027 to 30 Mar 2027£375
3 to 6 months late31 Mar 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 late31 Mar 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 late30 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
02719507
Status
Active
Company type
Private limited company
Incorporated
2 June 1992 (34 years ago)
Registered office
24E Norwich Street, Dereham, NR19 1BX
Nature of business
Construction of commercial buildings (SIC 41201)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 March 2025
Last confirmation statement
2 June 2026
Charges (mortgages)
1 outstanding of 2 registered

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.

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Other active building contractors registered in Dereham.

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Frequently asked questions

When are Mills Macmillan Limited's accounts due?

Mills Macmillan Limited's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.

When is Mills Macmillan Limited's CT600 due?

The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.

Is Mills Macmillan Limited still trading?

Mills Macmillan 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 Mills Macmillan Limited do?

Mills Macmillan Limited is registered under Construction of commercial buildings (SIC 41201); Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).

How old is Mills Macmillan Limited?

Mills Macmillan Limited was incorporated on 2 June 1992, 34 years ago.

Who runs Mills Macmillan Limited?

Mills Macmillan Limited has 1 active director, the longest-serving appointed in Dec 2016. Their names and service addresses are on the Companies House register.

Who owns Mills Macmillan Limited?

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

What is the penalty if Mills Macmillan 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 Mills Macmillan 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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