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  1. Companies
  2. Civil engineering
  3. Liverpool
  4. MLSB Groundworks Ltd

MLSB Groundworks Ltd

ActiveNo accounts filed yet accountsCivil engineeringLiverpool
Company number
17290365
Incorporated
20 Jun 2026
Registered office
Suite 4 Second Floor Honeycomb, 7 - 15 Edmund Street, Liverpool, Merseyside, L3 9NG
Nature of business
Construction of roads and motorways
Accounts due in
524 days
20 Mar 2028
From the Companies House register, 1 Oct 2026

MLSB Groundworks Ltd is a newly incorporated private limited company registered in Liverpool, company number 17290365, one of 284 civil engineering contractors in Liverpool. Its next accounts are due at Companies House on 20 March 2028, and its first CT600 is due at HMRC on 19 June 2028.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
20 Mar 2028
in 524 days
For the period to 30 Jun 2027
CT600 due (first of two)
19 Jun 2028
in 615 days
Period 20 Jun 2026 to 19 Jun 2027
CT600 due (second of two)
30 Jun 2028
in 626 days
Period 20 Jun 2027 to 30 Jun 2027
Corporation tax payment
1 Apr 2028
in 536 days
9 months and 1 day after the period end
Confirmation statement
3 Jul 2027
in 263 days

Is this your company?

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Where MLSB Groundworks Ltd is registered

MLSB Groundworks Ltd's registered office on a map of the UK

The registered office is in Liverpool (L3), in the Liverpool local authority area, North West. Show L3 9NG on a map.

Other trade companies in L3

Also registered at this address

21 other companies use the same registered office as MLSB Groundworks Ltd.

What happens if MLSB Groundworks 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 20 March 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late21 Mar 2028 to 20 Apr 2028£150
1 to 3 months late21 Apr 2028 to 20 Jun 2028£375
3 to 6 months late21 Jun 2028 to 20 Sep 2028£750
More than 6 months lateFrom 21 Sep 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2028£200
3 months late30 Sep 2028another £200
6 months late30 Dec 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
17290365
Status
Active
Company type
Private limited company
Incorporated
20 June 2026
Registered office
Suite 4 Second Floor Honeycomb, 7 - 15 Edmund Street, Liverpool, Merseyside, L3 9NG
Nature of business
Construction of roads and motorways (SIC 42110)
Year end
30 June (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Liverpool

Other active civil engineering contractors registered in Liverpool.

All civil engineering contractors in Liverpool · All trades in Liverpool · Civil engineering across the UK

Frequently asked questions

When are MLSB Groundworks Ltd's accounts due?

MLSB Groundworks Ltd's next accounts are due at Companies House by 20 March 2028 (in 524 days), covering the period to 30 June 2027.

When is MLSB Groundworks Ltd's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 June 2027, due by 19 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is MLSB Groundworks Ltd still trading?

MLSB Groundworks 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 MLSB Groundworks Ltd do?

MLSB Groundworks Ltd is registered under Construction of roads and motorways (SIC 42110).

How old is MLSB Groundworks Ltd?

MLSB Groundworks Ltd was incorporated on 20 June 2026, less than a year ago.

What is the penalty if MLSB Groundworks 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 MLSB Groundworks 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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