NEPTUNE SONAR LIMITED

Active

Registry details

Reference data exactly as held at Companies House.

Copy registry details
Registered office
7th Floor 3 More London Riverside, London SE1 2AQ
Accounts type
Total Exemption Full

Company activity

The 4 most recent documents filed at Companies House.

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  1. 15/09/2026

    Total exemption full accounts made up to 2025-12-31

    View PDF (10 pages)
  2. 20/05/2026

    Appointment of Michael Read as a director on 2026-05-20

    View PDF (2 pages)
  3. 20/05/2026

    Appointment of David Bradley as a director on 2026-05-20

    View PDF (2 pages)
  4. 25/03/2026

    Change of details for Neptune Sonar (Yorkshire) Limited as a person with significant control on 2024-12-09

    View PDF (2 pages)

Accounts and confirmation statement

The two filings Companies House requires every year, and where each one stands against its deadline today.

Annual accounts

Total Exemption Full accounts

Due in 5 days

30/09/2026Filing deadline

Next accounts made up to
31/12/2025
Last accounts made up to
30/09/2024

See the full filing history

Financial performance

The latest figures NEPTUNE SONAR LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.

Net Assets

£3.51M2024
10.27%vs 2023

2023: £3.18M

Total Assets

£3.47M2024
10.86%vs 2023

2023: £3.13M

Cash in Bank

£880.22K2024
92.02%vs 2023

2023: £458.41K

Total Liabilities

£620.93K2024
-2.00%vs 2023

2023: £633.61K

Employees

392024
-2vs 2023

2023: 41

Of the 4 measures with an earlier filing to compare against, 3 rose and 1 fell. Cash in bank moved furthest, up 92.02% on 2023. See the full financial analysis for NEPTUNE SONAR LIMITED.

Employees

Headcount as reported to Companies House for 2021–2024.

472021
412023
392024
YearEmployeesChange
202439-2
202341-6
202147–

Reported employee count decreased from 47 in 2021 to 39 in 2024. See how headcount moved alongside the reported financials.

Credit report

It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.

Officers

11

Directors, secretaries and other appointed officers, with the period each has served.

PersonRolePeriodConnected companies
Corporate Secretary20/01/2025–Present479
Director09/12/2024–Present4
Director28/07/2010–23/09/201115
Director21/06/2013–30/05/20253
Director28/07/2010–23/09/20110
Director21/07/2025–Present1
Director14/12/2023–Present1
Director20/05/2026–Present4
Director21/07/2025–20/05/20262
Director01/03/2015–Present0
Director20/05/2026–Present2

Persons with significant control

3

Individuals or entities with significant control over the company, as declared to Companies House.

PersonPeriodConnected companies
06/04/2016–Present0
06/04/2016–09/12/20244
06/04/2016–Present4

Filing history and recent activity

Every document on the Companies House record, newest first.

Filings on record
29
Since 03/10/1991
Last 12 months
8
-4 vs the year before
Most recent filing
15/09/2026
less than a month ago

What changed in the last year

  • Accounts filedLatest 15/09/2026
  • Officer changes (6)Latest 20/05/2026

Filing timeline

  1. 15/09/2026

    Total exemption full accounts made up to 2025-12-31

    View PDF (10 pages)
  2. 20/05/2026

    Appointment of Michael Read as a director on 2026-05-20

    View PDF (2 pages)
  3. 20/05/2026

    Appointment of David Bradley as a director on 2026-05-20

    View PDF (2 pages)
  4. 25/03/2026

    Change of details for Neptune Sonar (Yorkshire) Limited as a person with significant control on 2024-12-09

    View PDF (2 pages)
  5. 20/11/2025

    Director's details changed for Dr Neil Dearing on 2021-11-19

    View PDF (2 pages)
  6. 09/10/2025

    Current accounting period extended from 2025-09-30 to 2025-12-31

    View PDF (1 pages)
  7. 09/10/2025

    Director's details changed for Dr Neil Dearing on 2025-10-09

    View PDF (2 pages)
  8. 09/10/2025

    Director's details changed for Mr Garry Scott on 2025-10-09

    View PDF (2 pages)
  9. 04/09/2025

    Director's details changed for Dr Neil Dearing on 2025-09-04

    View PDF (2 pages)
  10. 25/07/2025

    Confirmation statement made on 2025-07-25 with no updates

    View PDF (3 pages)
  11. 24/07/2025

    Appointment of Craig Churchill as a director on 2025-07-21

    View PDF (2 pages)
  12. 24/07/2025

    Appointment of Dr Samuel Parry as a director on 2025-07-21

    View PDF (2 pages)

Showing 12 of 29 filings

See when the next accounts and confirmation statement are due

Similar companies

100 UK companies are similar to NEPTUNE SONAR LIMITED, sharing the same company status (Active), the same industry sector and activity group (Other professional scientific and technical activities n.e.c.) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.

100 UK companies share this business profileThe 5 above are the closest matches. See every UK company registered under Other professional scientific and technical activities n.e.c..Browse the listing

About NEPTUNE SONAR LIMITED

A short description of the company, written from its Companies House record.

NEPTUNE SONAR LIMITED is a private limited company registered in the United Kingdom, based in 7th Floor 3 More London Riverside, London SE1 2AQ. Companies House classifies its business as Other professional scientific and technical activities n.e.c.. It has been on the register for 36 years 2 months.

The register currently records it as active. Its 2024 accounts report net assets of £3.51M and 39 employees.

NEPTUNE SONAR LIMITED: frequently asked questions

Answered from this company's own registry record and filed figures.

What does NEPTUNE SONAR LIMITED do?

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Companies House records NEPTUNE SONAR LIMITED under one registered business activity: Other professional scientific and technical activities n.e.c. (74.90/9 - SIC 2007).

Is NEPTUNE SONAR LIMITED still active?

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NEPTUNE SONAR LIMITED is recorded as active on the Companies House register, and has been on it since 25/07/1990.

What are NEPTUNE SONAR LIMITED's latest reported financials?

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The most recent accounts Okredo holds cover 2024 and report net assets of £3.51M, total assets of £3.47M, cash in bank of £880.22K and total liabilities of £620.93K.

When did NEPTUNE SONAR LIMITED last file with Companies House?

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The most recent document on the record is dated 15/09/2026: Total exemption full accounts made up to 2025-12-31, less than a month ago.

When are NEPTUNE SONAR LIMITED's next filings due?

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On the current registry record, accounts are due by 30/09/2026.

Who runs NEPTUNE SONAR LIMITED?

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Companies House lists 11 officers (7 currently in post) and 3 people with significant control (2 current).