How much does Mediaocean Systems Limited make?

Mediaocean Systems Limited reported revenue of £30.7m and £7.6m profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Mediaocean Systems Limited have?

Mediaocean Systems Limited reported an average of 159 employees in the year to 31 Dec 2025.

Is Mediaocean Systems Limited profitable?

Yes — Mediaocean Systems Limited reported a profit of £7.6m in the year to 31 Dec 2025.

Company No. 01622089 · Incorporated 15 Mar 1982

Mediaocean Systems Limited

Registered name: MEDIAOCEAN SYSTEMS LIMITED

Part of Poseidon Holding Llc group

Mediaocean Systems Limited made £30.7m revenue and £7.6m profit in the year to 31 Dec 2025.

Mediaocean Systems Limited’s revenue fell 4% to £30.7m in the year to 31 Dec 2025, with £7.6m profit and 159 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 SIC 63110Data processing, hosting and related activities

Status: Active
Location: London, London
Age: 44 yrs · since 1982
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 Dec 2025

Key figures

Revenue

£30.7m

Growth ▼3.7%

Profit

£7.6m

Growth ▲5.1%

Profit margin

24.9%

Employees

159

Change 0%

Profit / employee

£48k

Revenue/employee £193k

Profitable streak

3yrs

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 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£30.9m	£31.8m	£30.7m
Operating profit	£7.8m	£9.9m	£8.5m
Profit before tax	£8m	£10.1m	£8.6m
Profit after tax	£5.6m	£7.3m	£7.6m
Profit (best available)	£5.6m	£7.3m	£7.6m
Employees (average)	174	159	159
Ratios
Profit margin	18.2%	22.8%	24.9%
Revenue per employee	£178k	£200k	£193k
Profit per employee	£32.4k	£45.6k	£48k
Growth (year on year)
Revenue growth	—	▲2.9%	▼3.7%
Profit growth	—	▲28.9%	▲5.1%
Headcount growth	—	▼8.6%	0%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Jul 2025	Accounts · bulk data Jul 2025	Accounts · bulk data May 2026

Derived from the latest filing

How the business works

Profit margin: 24.9%; Profit ÷ revenue.
Gross margin: —; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £193k; Revenue ÷ average employees.
Profit per employee: £48k; 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: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: —; 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 —
Cash at bank: —; Now —
Headcount: 0%; Now 159
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Poseidon Holding Llc (registered outside the UK register)ultimate parent75–100%
Mediaocean Systems Limitedthis company

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

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

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Dec 2025 (profit £7.6m), 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.