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Companies House · SC137036 Active

Shearwater Marine Services Limited

Private limited company

Unit 19, Highland Avenue, Sandbank Business Park, Dunoon, Argyll, PA23 8PB

Find an accountant View on Companies House

SC137036

Company number

10 Mar 1992

Incorporated

3

Active officers

31 Mar 2025

Last accounts made up to

Shearwater Marine Services Limited company overview

Shearwater Marine Services Limited is a private limited company registered with company number SC137036. It was incorporated on 10 Mar 1992 and its current status is active.

The registered office is at Unit 19, Highland Avenue, Sandbank Business Park, Dunoon, Argyll, PA23 8PB. The company has 3 active officers.

Shearwater Marine Services Limited upcoming deadlines

Year end accounts

Due 31 Dec 2026

51 days

Confirmation statement

Due 24 Mar 2027

134 days

Corporation tax payment

Due 1 Jan 2027

52 days

Dates are the ones Companies House holds for this company. Late accounts trigger automatic Companies House penalties starting at £150, and HMRC charges interest on late corporation tax.

Shearwater Marine Services Limited at a glance

34 years

Trading age

12,663 days since incorporation

3

Active officers

Alastair, Thomas, Eilidh

93

Filings on record

Latest: 23 Jun 2026

100/100

Filing health score

Accounts and statement up to date

Directors of Shearwater Marine Services Limited

Nature of business (SIC codes)

43999

Other specialised construction activities not elsewhere classified

Allowable expenses for Shearwater Marine Services Limited

Based on Shearwater Marine Services Limited's SIC code (43999), these are typical tax-deductible expenses for a general business company. Claiming them lowers the profit you pay corporation tax on.

Vehicle & mileage

45p a mile for the first 10,000 business miles in a personal car.

Staff & director salaries

Wages, employer NI and pension contributions paid through PAYE.

Accountancy & legal fees

Bookkeeping, year-end accounts, tax advice and company secretarial costs.

Business insurance

Public liability, professional indemnity and employer's liability cover.

Phone & internet

Business mobile contracts, broadband and a share of home internet.

General guidance only — every expense must be wholly and exclusively for business. Ask an accountant

Tax guide for businesses like Shearwater Marine Services Limited

How much tax does a limited company pay?

UK companies pay corporation tax at 19% on profits up to £50,000, rising to 25% above £250,000, with marginal relief in between. Claiming every allowable expense reduces taxable profit.

Does a company like Shearwater Marine Services Limited need to register for VAT?

VAT registration is compulsory once taxable turnover passes £90,000 in any rolling 12 months. Many businesses register voluntarily to reclaim VAT on costs.

How much does an accountant cost for a limited company in Argyll?

Fixed-fee accountants typically charge £60–£200 a month for a small limited company, covering year-end accounts, corporation tax and the confirmation statement.

Can directors of Shearwater Marine Services Limited pay themselves in dividends?

Most small company directors take a low salary plus dividends. Dividends are paid from profits after corporation tax, with an annual £500 dividend allowance.

Filing history

  1. 23 Jun 2026 · MR01

    Mortgage create with deed with charge number charge creation date

  2. 23 Jun 2026 · MR01

    Mortgage create with deed with charge number charge creation date

  3. 14 Apr 2026 · MR01

    Mortgage create with deed with charge number charge creation date

  4. 14 Apr 2026 · MR01

    Mortgage create with deed with charge number charge creation date

  5. 24 Mar 2026 · CS01

    Confirmation statement made on 10 Mar 2026 with no updates

  6. 22 Dec 2025 · AA

    Small accounts made up to 31 Mar 2025

  7. 2 May 2025 · MR01

    Mortgage create with deed with charge number charge creation date

  8. 13 Mar 2025 · CS01

    Confirmation statement made on 10 Mar 2025 with no updates

  9. 24 Jan 2025 · MR01

    Mortgage create with deed with charge number charge creation date

  10. 16 Dec 2024 · PSC07

    Cessation of a person with significant control

  11. 16 Dec 2024 · PSC02

    Notification of a person with significant control

  12. 13 Dec 2024 · PSC07

    Cessation of a person with significant control

  13. 5 Dec 2024 · AA

    Total exemption full accounts made up to 31 Mar 2024

  14. 4 Oct 2024 · AP03

    Appointment of Ms Eilidh Ann Petro as a secretary on 1 Sep 2024

  15. 4 Oct 2024 · TM02

    Termination of appointment of Alastair John Baird as a secretary on 1 Sep 2024

  16. 11 Mar 2024 · CS01

    Confirmation statement made on 10 Mar 2024 with no updates

  17. 22 Dec 2023 · AA

    Total exemption full accounts made up to 31 Mar 2023

  18. 23 Mar 2023 · CS01

    Confirmation statement made on 10 Mar 2023 with no updates

  19. 21 Dec 2022 · AA

    Total exemption full accounts made up to 31 Mar 2022

  20. 5 Dec 2022 · MR04

    Mortgage satisfy charge full

Showing the latest 20 of 93 filings. See the full history on Companies House

Accounting services for Shearwater Marine Services Limited

More about Shearwater Marine Services Limited

About Shearwater Marine Services Limited

Shearwater Marine Services Limited is a UK private limited company based in Argyll, registered at Companies House as company number SC137036 since 10 Mar 1992. Its listed activities include other specialised construction activities not elsewhere classified. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.

Shearwater Marine Services Limited filings and compliance

Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Shearwater Marine Services Limited has 93 filings on record. Keeping on top of these deadlines avoids automatic penalties from Companies House and HMRC, which start at £150 for late accounts.

Looking for an accountant in Argyll?

Businesses like Shearwater Marine Services Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near Argyll and get free quotes in minutes.

This page shows public information from Companies House. Director of Shearwater Marine Services Limited?

Shearwater Marine Services Limited – frequently asked questions

What is the company number of Shearwater Marine Services Limited?

Shearwater Marine Services Limited is registered at Companies House under company number SC137036.

When was Shearwater Marine Services Limited incorporated?

Shearwater Marine Services Limited was incorporated on 10 Mar 1992 as a private limited company.

Who are the directors of Shearwater Marine Services Limited?

Current officers are Alastair John Baird (director), Thomas Brannan (director) and Eilidh Ann Petro (secretary).

What does Shearwater Marine Services Limited do?

The company's registered nature of business (SIC) is 43999 – Other specialised construction activities not elsewhere classified.

Where is Shearwater Marine Services Limited registered?

The registered office address is Unit 19, Highland Avenue, Sandbank Business Park, Dunoon, Argyll, PA23 8PB.

Is Shearwater Marine Services Limited still trading?

According to its latest Companies House record the company status is active. Its most recent filing was mortgage create with deed with charge number charge creation date on 23 Jun 2026.

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