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  4. Mark Tuff Limited

Mark Tuff Limited

ActiveTotal exemption (full) accountsSpecialist contractorsChatham
Company number
06207980
Incorporated
11 Apr 200719 years trading
Registered office
24 Downsview, Chatham, Kent, ME5 0AP
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
85 days
5 Jan 2027
Net assets
£91K▲
+28.0% on the year before
Cash at bank
£97K▲
At 31 Mar 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Mark Tuff Limited is a 19-year-old private limited company registered in Chatham, company number 06207980, one of 107 specialist construction companies in Chatham. Its next accounts are due at Companies House on 5 January 2027, and its first CT600 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
5 Jan 2027
in 85 days
For the period to 5 Apr 2026
CT600 due (first of two)
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
CT600 due (second of two)
5 Apr 2027
in 175 days
Period 1 Apr 2026 to 5 Apr 2026
Corporation tax payment
6 Jan 2027
in 86 days
9 months and 1 day after the period end
Confirmation statement
25 Apr 2027
in 195 days
Last made up to 11 Apr 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 £20K (+28%) on the year before, to £91K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £97K against £5,924 owed within a year: more than 10 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£50K5 April 2017: net assets £15K£15K20175 April 2018: net assets £14K£14K20185 April 2019: net assets £8,091£8,09120195 April 2020: net assets £7,516£7,51620205 April 2021: net assets £23K£23K20215 April 2022: net assets £37K£37K202231 March 2023: net assets £56K£56K20235 April 2023: net assets £56K£56K202331 March 2024: net assets £71K£71K202431 March 2025: net assets £91K£91K2025
Net assets at each year end, 2017 to 2025£0£50K5 April 2017: net assets £15K£15K'175 April 2018: net assets £14K£14K'185 April 2019: net assets £8,091£8,091'195 April 2020: net assets £7,516£7,516'205 April 2021: net assets £23K£23K'215 April 2022: net assets £37K£37K'2231 March 2023: net assets £56K£56K'235 April 2023: net assets £56K£56K'2331 March 2024: net assets £71K£71K'2431 March 2025: net assets £91K£91K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£91K£97K£97K£5,9241
31 Mar 2024£71K£78K£78K£7,2571
5 Apr 2023£56K£66K£9,9291
31 Mar 2023£56K£66K£66K£9,929
5 Apr 2022£37K£40K£3,4681
5 Apr 2021£23K£33K£11K1
5 Apr 2020£7,516£4,456£3,6461
5 Apr 2019£8,091£5,180£4,056
5 Apr 2018£14K£11K£3,526
5 Apr 2017£15K£13K£19K£3,549

Where Mark Tuff Limited is registered

Mark Tuff Limited's registered office on a map of the UK

The registered office is in Chatham (ME5), in the Medway local authority area, South East. Show ME5 0AP on a map.

Other trade companies in ME5

Shared registered office

168 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 Mark Tuff 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 5 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late6 Jan 2027 to 5 Feb 2027£150
1 to 3 months late6 Feb 2027 to 5 Apr 2027£375
3 to 6 months late6 Apr 2027 to 5 Jul 2027£750
More than 6 months lateFrom 6 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late6 Apr 2027£200
3 months late5 Jul 2027another £200
6 months late5 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late5 Apr 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
06207980
Status
Active
Company type
Private limited company
Incorporated
11 April 2007 (19 years ago)
Registered office
24 Downsview, Chatham, Kent, ME5 0AP
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
5 April (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
11 April 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 Chatham

Other active specialist construction companies registered in Chatham.

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

Frequently asked questions

When are Mark Tuff Limited's accounts due?

Mark Tuff Limited's next accounts are due at Companies House by 5 January 2027 (in 85 days), covering the period to 5 April 2026.

When is Mark Tuff Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2026, due by 31 March 2027, and one for the period to 5 April 2026, due by 5 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Mark Tuff Limited still trading?

Mark Tuff 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 Mark Tuff Limited do?

Mark Tuff Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Mark Tuff Limited?

Mark Tuff Limited was incorporated on 11 April 2007, 19 years ago.

What is the penalty if Mark Tuff 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 Mark Tuff 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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