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Business and domestic software development · London

Sedna Communications

Sedna Communications Ltd

Losses 3 years runningStaff down 18%ActiveLatest figures: 2025As filed (group accounts)5 years on the register

Private limited company registered in London, classed under “Business and domestic software development”.

Headline figures

FY to May 2025 · As filed (group accounts)

Turnover

For subscribers

Profit after tax

−£13.1m

Net assets

For subscribers

Cash

For subscribers

Employees

For subscribers

Retained reserves

For subscribers

What the numbers say

3 findings from the figures, in plain English

Written by rules from the figures on this page. Not a forecast or a credit opinion.

History

Pro
£202320242025
Profit after tax−£13.1m
Turnover
Net assets
Cash
Employees
Retained reserves

Every figure for all 3 years

“—” means we did not find the figure in a source; it is never filled with an estimate.

Balance sheet and ratios

From the filed balance sheets · £

Balance sheet202320242025
Current assets
Net assets
Ratios
Return on equityProfit after tax as a share of net assets

2 balance-sheet lines and 1 ratios, every year

A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.

Timeline

Checked 2026-10-12

  1. Directors
    Termination of appointment of Raja Atluri as a director on 11 September 2026
  2. Filing
    Auditor's resignation
  3. Charges
    Registration of charge 133670330007, created on 20 August 2026
  4. Shares
    Statement of capital following an allotment of shares on 13 July 2026 USD 9,786.34
  5. Shares
    Statement of capital following an allotment of shares on 12 May 2026 USD 9,427.6
  6. Shares
    Statement of capital following an allotment of shares on 12 May 2026 USD 9,414.51
  7. Accounts
    Group of companies' accounts made up to 31 May 2025
  8. Shares
    Statement of capital following an allotment of shares on 1 August 2025 USD 9,414.2
  9. Shares
    Statement of capital following an allotment of shares on 1 August 2025 USD 9,412.91
  10. Shares
    Statement of capital following an allotment of shares on 1 August 2025 USD 9,410.11
  11. Directors
    Director's details changed for Mr William Francis Dobie on 23 January 2026
  12. Charges
    Registration of charge 133670330006, created on 30 December 2025
  13. 7 earlier
    1. Shares
      Change of share class name or designation
    2. Filing
      Memorandum and Articles of Association
    3. Shares
      Resolutions RES10 ‐ Resolution of allotment of securities RES14 ‐ The sum of USD129.16 Is hereby capitalised 20/05/2025 RES01 ‐ Resolution of adoption of Artic…
    4. Shares
      Statement of capital following an allotment of shares on 9 July 2025 USD 9,409.65
    5. Shares
      Statement of capital following an allotment of shares on 9 July 2025 USD 9,406.21
    6. Shares
      Statement of capital following an allotment of shares on 9 July 2025 USD 9,401.51
    7. Shares
      Statement of capital following an allotment of shares on 9 July 2025 USD 9,401.26

From the Companies House filing history. Routine confirmation statements are left out, and a run of the same filing is shown once.

Questions people ask

›What does Sedna Communications do?

Private limited company registered in London, classed under “Business and domestic software development”. In its own words: “Sedna is the Intelligent Operating System for Shipping, connecting communication, workflows, AI, and operational data to help shipping teams make better decisions and move faster.”

›How much turnover does Sedna Communications make?

Answered in the full report

›Is Sedna Communications profitable?

No: it made a loss after tax of £13.1m in the year to 31 May 2025, its latest filed accounts.

›How many people work at Sedna Communications?

Answered in the full report

›Who runs and owns Sedna Communications?

Answered in the full report

›Where is Sedna Communications based?

Its registered office is 10 John Street, London, WC1N 2EB, in London.

›When was Sedna Communications founded?

Sedna Communications Ltd was incorporated on 29 April 2021.

›Is Sedna Communications still trading?

The register lists Sedna Communications Ltd as active.