How much does Sedna Systems Europe Limited make?

Sedna Systems Europe Limited reported revenue of £9.5m and a loss of £3.7m in the year to 31 May 2025, according to its accounts filed at Companies House.

How many employees does Sedna Systems Europe Limited have?

Sedna Systems Europe Limited reported an average of 64 employees in the year to 31 May 2025.

Is Sedna Systems Europe Limited profitable?

No — Sedna Systems Europe Limited reported a loss of £3.7m in the year to 31 May 2025.

Company No. 11756188 · Incorporated 8 Jan 2019

Sedna Systems Europe Limited

Registered name: SEDNA SYSTEMS EUROPE LIMITED

Part of Sedna Communications Ltd group

Sedna Systems Europe Limited made £9.5m revenue and a £3.7m loss in the year to 31 May 2025.

Sedna Systems Europe Limited’s revenue fell 10% to £9.5m in the year to 31 May 2025, with a loss of £3.7m and 64 employees. The company is classified under “business and domestic software development” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 62012Business and domestic software development

Status: Active
Location: London, London
Age: 7 yrs · since 2019
Type: Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.

Latest accounts · year to 31 May 2025

Key figures

Cash flow filed

Revenue

£9.5m

Growth ▼9.9%

Profit

−£3.7m

Growth —

Profit margin

−39.2%

Employees

Change ▼23.8%

Profit / employee

−£58.3k

Revenue/employee £149k

Profitable streak

0yrs

Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 May 2023	31 May 2024	31 May 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£10.1m	£10.6m	£9.5m
Operating profit	−£7.6m	−£4.3m	−£3.5m
Profit after tax	−£7.8m	−£4.4m	−£3.7m
Profit (best available)	−£7.8m	−£4.4m	−£3.7m
Staff costs	£11.2m	£10.5m	£9.3m
Employees (average)	94	84	64
Ratios
Profit margin	−77.5%	−41.8%	−39.2%
Revenue per employee	£107k	£126k	£149k
Profit per employee	−£83.1k	−£52.6k	−£58.3k
Growth (year on year)
Revenue growth	—	▲4.6%	▼9.9%
Headcount growth	—	▼10.6%	▼23.8%
Balance sheet — indirect signals, not revenue
Cash at bank	£1.7m	£637k	£1.5m
Net assets	−£7.1m	−£10.9m	−£13.8m
Current assets	£11m	£17.9m	£29.9m
Debtors	£121k	£46.6k	£1.1m
Deferred income	£552k	£651k	£380k
Cash from operations	£1.6m	£1.2m	£283k
Source	FullAccounts · bulk data Feb 2025	FullAccounts · bulk data Feb 2025	FullAccounts · bulk data May 2026

Derived from the latest filing

How the business works

Profit margin: −39.2%; Profit ÷ revenue.
Gross margin: —; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £149k; Revenue ÷ average employees.
Profit per employee: −£58.3k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: —; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 4%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 11.3%; Money owed by customers. Low = customers pay quickly.

Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets: —; Now −£13.8m
Cash at bank: ▲130%; Now £1.5m
Headcount: ▼24%; Now 64
Deferred income: ▼42%; Now £380k
Fixed assets: —; Now —

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Ownership chain

Sedna Communications Ltdultimate parent75–100%
Sedna Systems Europe Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Sister companies (1)

Sedna Intermediate Holdco 1 LtdFigures not disclosed

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

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Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 May 2025 (profit −£3.7m), from the Companies House accounts bulk data published May 2026. Spotted an error? Request a correction.

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.