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  4. Calidus Ltd

Calidus Ltd

ActiveNo accounts filed yet accountsPlumbers and heating engineersIrvine
Company number
SC870387
Incorporated
17 Nov 2025
Registered office
4 Manuel Terrace, Dreghorn, Irvine, KA11 4BY
Nature of business
Plumbing, heat and air-conditioning installation; Other construction installation; Buying and selling of own real estate
Accounts due in
309 days
17 Aug 2027
From the Companies House register, 1 Oct 2026

Calidus Ltd is a newly incorporated private limited company registered in Irvine, company number SC870387, one of 17 plumbing and heating companies in Irvine. Its next accounts are due at Companies House on 17 August 2027, and its first CT600 is due at HMRC on 16 November 2027.

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
17 Aug 2027
in 309 days
For the period to 30 Nov 2026
CT600 due (first of two)
16 Nov 2027
in 400 days
Period 17 Nov 2025 to 16 Nov 2026
CT600 due (second of two)
30 Nov 2027
in 414 days
Period 17 Nov 2026 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 324 days
9 months and 1 day after the period end
Confirmation statement
30 Nov 2026
in 49 days

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Who runs and owns Calidus Ltd

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
S*** M***DirectorNov 2025

Person with significant control

Individual · since Nov 2025
S*** M***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Calidus Ltd is registered

Calidus Ltd's registered office on a map of the UK

The registered office is in Irvine (KA11), in the North Ayrshire local authority area, Scotland. Show KA11 4BY on a map.

Other trade companies in KA11

What happens if Calidus 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 17 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late18 Aug 2027 to 17 Sep 2027£150
1 to 3 months late18 Sep 2027 to 17 Nov 2027£375
3 to 6 months late18 Nov 2027 to 17 Feb 2028£750
More than 6 months lateFrom 18 Feb 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2027£200
3 months late29 Feb 2028another £200
6 months late30 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 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
SC870387
Status
Active
Company type
Private limited company
Incorporated
17 November 2025
Registered office
4 Manuel Terrace, Dreghorn, Irvine, KA11 4BY
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Buying and selling of own real estate (SIC 68100)
Year end
30 November (accounting reference date)
Accounts type
No accounts filed yet
Previous names
Renov8 Property Services Ltd (until 21 Nov 2025)

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Irvine

Other active plumbing and heating companies registered in Irvine.

All plumbing and heating companies in Irvine · All trades in Irvine · Plumbers and heating engineers across the UK

Frequently asked questions

When are Calidus Ltd's accounts due?

Calidus Ltd's next accounts are due at Companies House by 17 August 2027 (in 309 days), covering the period to 30 November 2026.

When is Calidus 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 16 November 2026, due by 16 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Calidus Ltd still trading?

Calidus 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 Calidus Ltd do?

Calidus Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Buying and selling of own real estate (SIC 68100).

How old is Calidus Ltd?

Calidus Ltd was incorporated on 17 November 2025, less than a year ago.

Who runs Calidus Ltd?

Calidus Ltd has 1 active director, the longest-serving appointed in Nov 2025. Their names and service addresses are on the Companies House register.

Who owns Calidus Ltd?

One person or company has significant control of Calidus Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Calidus 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 Calidus 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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