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  4. Mac Business Services Ltd

Mac Business Services Ltd

ActiveMicro-entity accountsElectriciansLondon
Company number
09379233
Incorporated
8 Jan 201511 years trading
Registered office
515 Katherine Road, London, E7 8DR
Nature of business
Electrical installation; Other building completion and finishing; Management of real estate on a fee or contract basis
Accounts due in
18 days
31 Oct 2026
Net assets
£5,339▲
+246.5% on the year before
Employees
5
Average during the year
From the Companies House register, 1 Oct 2026

Mac Business Services Ltd is a 11-year-old private limited company registered in London, company number 09379233, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.

Key dates

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

Accounts due
31 Oct 2026
in 18 days
For the period to 31 Jan 2026
CT600 due
31 Jan 2027
in 110 days
Period 1 Feb 2025 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 19 days
9 months and 1 day after the period end
Confirmation statement
2 Mar 2027
in 140 days
Last made up to 16 Feb 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 £3,798 (+246.5%) on the year before, to £5,339.
  • Net assets rose in 8 of 9 year-on-year comparisons on record.
  • Current assets of £16K against £18K owed within a year: 0.9 times cover.
  • 5 employees on average, down from 6 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-£10K£0£10K31 January 2016: net assets -£12K-£12K201631 January 2017: net assets -£6,631-£6,631201731 January 2018: net assets -£6,039-£6,039201831 January 2019: net assets £1,656£1,656201931 January 2020: net assets £4,102£4,102202031 January 2021: net assets £5,086£5,086202131 January 2022: net assets £6,369£6,369202231 January 2023: net assets £11K£11K202331 January 2024: net assets £1,541£1,541202431 January 2025: net assets £5,339£5,3392025
Net assets at each year end, 2016 to 2025-£10K£0£10K31 January 2016: net assets -£12K-£12K'1631 January 2017: net assets -£6,631-£6,631'1731 January 2018: net assets -£6,039-£6,039'1831 January 2019: net assets £1,656£1,656'1931 January 2020: net assets £4,102£4,102'2031 January 2021: net assets £5,086£5,086'2131 January 2022: net assets £6,369£6,369'2231 January 2023: net assets £11K£11K'2331 January 2024: net assets £1,541£1,541'2431 January 2025: net assets £5,339£5,339'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2025£5,339£16K£18K5
31 Jan 2024£1,541£11K£20K6
31 Jan 2023£11K£24K£24K6
31 Jan 2022£6,369£11K£17K7
31 Jan 2021£5,086£21K£53K£1,8647
31 Jan 2020£4,102£13K£44K£2,3855
31 Jan 2019£1,656£7,213£42K£2,8115
31 Jan 2018-£6,039£749£40K£8,2925
31 Jan 2017-£6,631£8,073£43K£4,3445
31 Jan 2016-£12K£2,064£23K£35K

Where Mac Business Services Ltd is registered

Mac Business Services Ltd's registered office on a map of the UK

The registered office is in London (E7), in the Newham local authority area, London. Show E7 8DR on a map.

Other trade companies in E7

Also registered at this address

2 other companies use the same registered office as Mac Business Services Ltd.

What happens if Mac Business Services Ltd 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 October 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2026 to 30 Nov 2026£150
1 to 3 months late1 Dec 2026 to 31 Jan 2027£375
3 to 6 months late1 Feb 2027 to 30 Apr 2027£750
More than 6 months lateFrom 1 May 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2027£200
3 months late30 Apr 2027another £200
6 months late31 Jul 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 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
09379233
Status
Active
Company type
Private limited company
Incorporated
8 January 2015 (11 years ago)
Registered office
515 Katherine Road, London, E7 8DR
Nature of business
Electrical installation (SIC 43210)
Other building completion and finishing (SIC 43390)
Management of real estate on a fee or contract basis (SIC 68320)
Year end
31 January (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 January 2025
Last confirmation statement
16 February 2026
Previous names
Master Mattress Limited (until 4 May 2016)

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 London

Other active electrical contractors registered in London.

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

Frequently asked questions

When are Mac Business Services Ltd's accounts due?

Mac Business Services Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.

When is Mac Business Services Ltd's CT600 due?

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

Is Mac Business Services Ltd still trading?

Mac Business Services Ltd 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 Mac Business Services Ltd do?

Mac Business Services Ltd is registered under Electrical installation (SIC 43210); Other building completion and finishing (SIC 43390); Management of real estate on a fee or contract basis (SIC 68320).

How old is Mac Business Services Ltd?

Mac Business Services Ltd was incorporated on 8 January 2015, 11 years ago.

What is the penalty if Mac Business Services Ltd 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 Mac Business Services Ltd 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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