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  4. Clyde Commercial Diving Ltd

Clyde Commercial Diving Ltd

ActiveTotal exemption (full) accountsSpecialist contractorsClydebank
Company number
SC549657
Incorporated
9 Nov 20169 years trading
Registered office
Rothesay Dock East, Dock Street, Clydebank, G81 1LX
Nature of business
Other specialised construction activities n.e.c.; Other letting and operating of own or leased real estate
Accounts due in
322 days
31 Aug 2027
Net assets
£2.6M▲
+28.8% on the year before
Cash at bank
£581K▲
At 30 Nov 2025
Employees
6
Average during the year
Checked with Companies House 12 Oct 2026

Clyde Commercial Diving Ltd is a 9-year-old private limited company registered in Clydebank, company number SC549657, one of 18 specialist construction companies in Clydebank. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.

Key dates

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

Accounts due
31 Aug 2027
in 322 days
For the period to 30 Nov 2026
CT600 due
30 Nov 2027
in 413 days
Period 1 Dec 2025 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 323 days
9 months and 1 day after the period end
Confirmation statement
2 Jul 2027
in 262 days
Last made up to 18 Jun 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 £583K (+28.8%) on the year before, to £2.6M.
  • Net assets rose in 6 of 8 year-on-year comparisons on record.
  • Current assets of £2M against £504K owed within a year: 4.0 times cover.
  • 6 employees on average during the year.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£1M£2M30 November 2017: net assets £1£1201730 November 2018: net assets -£45K-£45K201830 November 2019: net assets £57K£57K201930 November 2020: net assets £265K£265K202030 November 2021: net assets £406K£406K202130 November 2022: net assets £1M£1M202230 November 2023: net assets £2.1M£2.1M202330 November 2024: net assets £2M£2M202430 November 2025: net assets £2.6M£2.6M2025
Net assets at each year end, 2017 to 2025£0£1M£2M30 November 2017: net assets £1£1'1730 November 2018: net assets -£45K-£45K'1830 November 2019: net assets £57K£57K'1930 November 2020: net assets £265K£265K'2030 November 2021: net assets £406K£406K'2130 November 2022: net assets £1M£1M'2230 November 2023: net assets £2.1M£2.1M'2330 November 2024: net assets £2M£2M'2430 November 2025: net assets £2.6M£2.6M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£2.6M£581K£2M£504K6
30 Nov 2024£2M£558K£1.6M£472K6
30 Nov 2023£2.1M£1.2M£2M£520K4
30 Nov 2022£1M£308K£1.1M£140K4
30 Nov 2021£406K£72K£515K£110K5
30 Nov 2020£265K£463K£183K4
30 Nov 2019£57K£182K£129K4
30 Nov 2018-£45K-£203K£162K
30 Nov 2017£1

Who runs and owns Clyde Commercial Diving Ltd

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

Officers (4)

NameRoleAppointed
J*** P***DirectorNov 2016
B*** J***DirectorJun 2024
R*** M***DirectorJun 2024
C*** P***DirectorJun 2024

People with significant control (4)

Individual · since Jun 2024
B*** J***
Has significant influence or control
Has significant influence or control as a trustee
Has significant influence or control through a firm
Individual · since Jun 2024
R*** M***
Has significant influence or control
Has significant influence or control as a trustee
Has significant influence or control through a firm
Individual · since Jun 2024
J*** P***
Owns 25% to 50% of the shares
Holds 75% or more of the votes
Can appoint and remove directors
Can appoint and remove directors as a trustee
Can appoint and remove directors through a firm
Individual · since Nov 2022
C*** P***
Owns 25% to 50% of the shares
Owns 25% to 50% of the shares as a trustee
Owns 25% to 50% of the shares through a firm
Holds 25% to 50% of the votes as a trustee
Holds 25% to 50% of the votes through a firm
Has significant influence or control
Has significant influence or control through a firm

Where Clyde Commercial Diving Ltd is registered

Clyde Commercial Diving Ltd's registered office on a map of the UK

The registered office is in Clydebank (G81), in the West Dunbartonshire local authority area, Scotland. Show G81 1LX on a map.

Other trade companies in G81

What happens if Clyde Commercial Diving 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 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2027 to 30 Sep 2027£150
1 to 3 months late1 Oct 2027 to 30 Nov 2027£375
3 to 6 months late1 Dec 2027 to 29 Feb 2028£750
More than 6 months lateFrom 1 Mar 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
SC549657
Status
Active
Company type
Private limited company
Incorporated
9 November 2016 (9 years ago)
Registered office
Rothesay Dock East, Dock Street, Clydebank, G81 1LX
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Other letting and operating of own or leased real estate (SIC 68209)
Year end
30 November (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 November 2025
Last confirmation statement
18 June 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 Clydebank

Other active specialist construction companies registered in Clydebank.

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

Frequently asked questions

When are Clyde Commercial Diving Ltd's accounts due?

Clyde Commercial Diving Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.

When is Clyde Commercial Diving Ltd's CT600 due?

The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.

Is Clyde Commercial Diving Ltd still trading?

Clyde Commercial Diving Ltd is listed as active on the Companies House register (checked 12 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 Clyde Commercial Diving Ltd do?

Clyde Commercial Diving Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other letting and operating of own or leased real estate (SIC 68209).

How old is Clyde Commercial Diving Ltd?

Clyde Commercial Diving Ltd was incorporated on 9 November 2016, 9 years ago.

Who runs Clyde Commercial Diving Ltd?

Clyde Commercial Diving Ltd has 4 active directors, the longest-serving appointed in Nov 2016. Their names and service addresses are on the Companies House register.

Who owns Clyde Commercial Diving Ltd?

4 people or companies have significant control of Clyde Commercial Diving Ltd: an individual (has significant influence or control); an individual (has significant influence or control); an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

What is the penalty if Clyde Commercial Diving 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 Clyde Commercial Diving 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, rechecked 12 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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