1. Companies
  2. Builders
  3. Mac Engineering SW Ltd

Mac Engineering SW Ltd

ActiveMicro-entity accountsBuildersBaltonsborough
Company number
11451548
Incorporated
6 Jul 20188 years trading
Registered office
28 Apple Meadow, Baltonsborough, BA6 8FQ
Nature of business
Construction of commercial buildings; Construction of domestic buildings; Construction of roads and motorways; Other specialised construction activities n.e.c.
Accounts due in
566 days
30 Apr 2028
Net assets
£37K▼
-7.8% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Mac Engineering SW Ltd is a 8-year-old private limited company registered in Baltonsborough, company number 11451548, one of the UK's building contractors. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 2028.

Key dates

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

Accounts due
30 Apr 2028
in 566 days
For the period to 31 Jul 2027
CT600 due
31 Jul 2028
in 658 days
Period 1 Aug 2026 to 31 Jul 2027
Corporation tax payment
1 May 2028
in 567 days
9 months and 1 day after the period end
Confirmation statement
19 Jul 2027
in 280 days
Last made up to 5 Jul 2026

Is this your company?

File the 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 Mac Engineering SW Ltd

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.

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 £3,141 (-7.8%) on the year before, to £37K.
  • Net assets rose in 4 of 7 year-on-year comparisons on record.
  • Current assets of £54K against £22K owed within a year: 2.4 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 8 years, 2019 to 2026.

Net assets by year

Net assets at each year end, 2019 to 2026£0£20K£40K31 July 2019: net assets £580£580201931 July 2020: net assets £580£580202031 July 2021: net assets £580£580202131 July 2022: net assets £1,662£1,662202231 July 2023: net assets £24K£24K202331 July 2024: net assets £33K£33K202431 July 2025: net assets £40K£40K202531 July 2026: net assets £37K£37K2026
Net assets at each year end, 2019 to 2026£0£20K£40K31 July 2019: net assets £580£580'1931 July 2020: net assets £580£580'2031 July 2021: net assets £580£580'2131 July 2022: net assets £1,662£1,662'2231 July 2023: net assets £24K£24K'2331 July 2024: net assets £33K£33K'2431 July 2025: net assets £40K£40K'2531 July 2026: net assets £37K£37K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2026£37K£54K£22K1
31 Jul 2025£40K£46K£17K1
31 Jul 2024£33K£33K£7,9361
31 Jul 2023£24K£19K£6,2661
31 Jul 2022£1,662£13K£27K1
31 Jul 2021£580£220£8001
31 Jul 2020£580£220£8001
31 Jul 2019£580£220£800

Where Mac Engineering SW Ltd is registered

Mac Engineering SW Ltd's registered office on a map of the UK

The registered office is in Baltonsborough (BA6), in the Somerset local authority area, South West. Show BA6 8FQ on a map.

Other trade companies in BA6

What happens if Mac Engineering SW 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 30 April 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 May 2028 to 31 May 2028£150
1 to 3 months late1 Jun 2028 to 31 Jul 2028£375
3 to 6 months late1 Aug 2028 to 31 Oct 2028£750
More than 6 months lateFrom 1 Nov 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2028£200
3 months late31 Oct 2028another £200
6 months late31 Jan 2029HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
11451548
Status
Active
Company type
Private limited company
Incorporated
6 July 2018 (8 years ago)
Registered office
28 Apple Meadow, Baltonsborough, BA6 8FQ
Nature of business
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Construction of roads and motorways (SIC 42110)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 July (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 July 2026
Last confirmation statement
5 July 2026

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

Other active building contractors.

Builders across the UK

Frequently asked questions

When are Mac Engineering SW Ltd's accounts due?

Mac Engineering SW Ltd's next accounts are due at Companies House by 30 April 2028 (in 566 days), covering the period to 31 July 2027.

When is Mac Engineering SW Ltd's CT600 due?

The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.

Is Mac Engineering SW Ltd still trading?

Mac Engineering SW 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 Engineering SW Ltd do?

Mac Engineering SW Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Construction of roads and motorways (SIC 42110); Other specialised construction activities n.e.c. (SIC 43999).

How old is Mac Engineering SW Ltd?

Mac Engineering SW Ltd was incorporated on 6 July 2018, 8 years ago.

What is the penalty if Mac Engineering SW 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 Engineering SW 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.

File accounts + CT600File now£49Let's talk