1. Companies
  2. Specialist contractors
  3. Kings Langley
  4. M Tanner & Sons Ltd

M Tanner & Sons Ltd

ActiveTotal exemption (full) accountsSpecialist contractorsKings Langley
Company number
11235958
Incorporated
6 Mar 20188 years trading
Registered office
Friarswood, Chipperfield Road, Kings Langley, Hertfordshire, WD4 9JB
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
444 days
31 Dec 2027
Net assets
£951▲
+15.3% on the year before
Cash at bank
£17K▲
At 31 Mar 2026
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

M Tanner & Sons Ltd is a 8-year-old private limited company registered in Kings Langley, company number 11235958, one of 26 specialist construction companies in Kings Langley. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

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

Accounts due
31 Dec 2027
in 444 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 535 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 445 days
9 months and 1 day after the period end
Confirmation statement
7 Mar 2027
in 145 days
Last made up to 21 Feb 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 M Tanner & Sons 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 up £126 (+15.3%) on the year before, to £951.
  • Net assets rose in 6 of 7 year-on-year comparisons on record.
  • Current assets of £42K against £50K owed within a year: 0.8 times cover.
  • 3 employees 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-£5,000£031 March 2019: net assets £214£214201931 March 2020: net assets £521£521202031 March 2021: net assets £833£833202131 March 2022: net assets £960£960202231 March 2023: net assets £1,303£1,303202331 March 2024: net assets -£9,403-£9,403202431 March 2025: net assets £825£825202531 March 2026: net assets £951£9512026
Net assets at each year end, 2019 to 2026-£5,000£031 March 2019: net assets £214£214'1931 March 2020: net assets £521£521'2031 March 2021: net assets £833£833'2131 March 2022: net assets £960£960'2231 March 2023: net assets £1,303£1,303'2331 March 2024: net assets -£9,403-£9,403'2431 March 2025: net assets £825£825'2531 March 2026: net assets £951£951'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£951£17K£42K£50K3
31 Mar 2025£825£12K£27K£41K3
31 Mar 2024-£9,403£18K£29K£35K3
31 Mar 2023£1,303£19K£18K-5
31 Mar 2022£960£42K£37K-4
31 Mar 2021£833£72K£44K-4
31 Mar 2020£521£31K£31K-4
31 Mar 2019£214£18K£18K-4

Where M Tanner & Sons Ltd is registered

M Tanner & Sons Ltd's registered office on a map of the UK

The registered office is in Kings Langley (WD4), in the Dacorum local authority area, East of England. Show WD4 9JB on a map.

Other trade companies in WD4

Also registered at this address

9 other companies use the same registered office as M Tanner & Sons Ltd.

What happens if M Tanner & Sons 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
11235958
Status
Active
Company type
Private limited company
Incorporated
6 March 2018 (8 years ago)
Registered office
Friarswood, Chipperfield Road, Kings Langley, Hertfordshire, WD4 9JB
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
21 February 2026

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in Kings Langley

Other active specialist construction companies registered in Kings Langley.

All specialist construction companies in Kings Langley · All trades in Kings Langley · Specialist contractors across the UK

Frequently asked questions

When are M Tanner & Sons Ltd's accounts due?

M Tanner & Sons Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.

When is M Tanner & Sons Ltd's CT600 due?

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

Is M Tanner & Sons Ltd still trading?

M Tanner & Sons 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 M Tanner & Sons Ltd do?

M Tanner & Sons Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is M Tanner & Sons Ltd?

M Tanner & Sons Ltd was incorporated on 6 March 2018, 8 years ago.

What is the penalty if M Tanner & Sons 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 M Tanner & Sons 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