Synthesia: who owns it, who runs it and what the accounts show
Synthesia Limited has no person with significant control recorded on the Companies House register. In the year to December 2025 it reported turnover of $113m (about £86m).
Synthesia files its accounts in US dollars. Figures are shown as filed, with the pound equivalent after them: income and costs at the average Bank of England rate over the year to 31 December 2025 ($1.3186 to the pound), net assets and cash at the rate on that date ($1.3451 to the pound); the year before at $1.2783 to the pound and $1.2529 to the pound. Comparisons with other companies on Spark Intel use the pound figures. Growth is measured in US dollars, so exchange-rate moves don't count as growth.
- In the year to December 2025, Synthesia had turnover of $113m (about £86m), up 94.1% on the year before.
- It made a pre-tax loss of $70m (about £53m), losing £61.74 of every £100 of sales.
- It employed an average of 481 people, with staff costs of $107m (about £82m).
- These figures are from Synthesia Limited's group accounts for the year to December 2025, filed at Companies House on 22 September 2026.
- Registered name
- SYNTHESIA LIMITED
- Company number
- 10933652
- Status
- Active
- Incorporated
- 25 August 2017
- Registered office area
- North-West London
- Industry code on the register
- 62012: Computer programming, consultancy and related activities
- Accounts
- Group accounts, covering the companies it owns
- Accounts type
- Full group accounts
- Latest accounts
- Year to December 2025, filed 22 September 2026
What does Synthesia do?
Synthesia is a London software company whose platform lets businesses create videos from text, using AI-generated presenters, or avatars, that speak in many languages. It makes money from subscriptions sold to companies, which mostly use it for training, internal communications, marketing and customer support videos without cameras, studios or actors. Customers can also create custom avatars based on real people. It was founded in 2017 by entrepreneurs and AI researchers including academics from UCL and the Technical University of Munich.
In brief: AI video · avatars from text · business subscriptions · founded in London, 2017
Source: Spark Intel editorial, checked 24 September 2026. Official website: synthesia.io.
Who owns Synthesia?
Synthesia Limited, company number 10933652, has no person with significant control recorded on the register. The full record is linked below.
The full ownership record is on the Companies House register. Control is given in the bands the register uses, not as exact shareholdings.
Who runs Synthesia?
The Companies House register lists 8 current officers for Synthesia Limited.
All 8 current officers
| Officer | Appointed |
|---|---|
| Steffen Tjerrild-Hansen | 25 August 2017 |
| Victor Riparbelli Rasmussen | 25 August 2017 |
| Steffen Tjerrild-Hansen | 25 August 2017 |
| Matt Turck | 12 February 2021 |
| Joshua David Coyne | 1 November 2021 |
| Philippe Laurent Alain Botteri | 2 June 2023 |
| Oakwood Corporate Secretary Limited | 21 August 2023 |
| Philip Karim Chopin | 9 December 2024 |
Every current officer, with appointment dates, is on the Companies House register.
What did Synthesia file?
Synthesia Limited reported turnover of $113m (about £86m) in the year to December 2025. That was up 94.1% on $58m (about £46m) the year before.
It reported 481 employees. The year before it reported 353.
It filed a pre-tax loss of $70m (about £53m) for the year, against a pre-tax loss of $59m (about £46m) the year before.
Staff costs came to $107m (about £82m). That is an average of £169,000 a head. It ended the year with $390m (about £290m) at the bank and net assets of $354m (about £263m).
| Measure | Dec 2025 | Dec 2024 |
|---|---|---|
| Turnover | $113m (about £86m) | $58m (about £46m) |
| Pre-tax profit | -$70m (about -£53m) (filed) | -$59m (about -£46m) (filed) |
| Employees | 481 | 353 |
| Staff costs | $107m (about £82m) | $62m (about £48m) |
| Average staff cost per head | £169,000 | £137,000 |
| Bank and cash | $390m (about £290m) | $220m (about £175m) |
| Net assets | $354m (about £263m) | $197m (about £158m) |
| Interest paid | $0.7m (about £0.6m) | |
| Interest received | $9m (about £7m) | |
| Directors' pay | $1.0m (about £0.8m) |
Read the accounts to December 2025 (PDF, Companies House) · every accounts filing
What do these figures mean? Turnover vs profit · Profit per £100 · Cash vs profit · Net assets · Group accounts
How Synthesia compares
Of the 13 UK AI companies, Synthesia is 5th on turnover, 7th on profit margin and 1st on growth. Google DeepMind keeps the most of every £100 of sales: £16.02.
| Rank | UK AI companies | Turnover | Profit per £100 |
|---|---|---|---|
| 1st | Google DeepMind | £1,743m | £16.02 |
| 5th | Synthesia | £86m | −£61.74 |
| + 10 more UK AI companies ranked |
Ranked by turnover. Profit per £100 is pre-tax profit for every £100 of turnover, shown only where the profit is filed.
Synthesia files as Synthesia Limited, with turnover of $113m (about £86m) in its latest filed year.
Questions about Synthesia
What does Synthesia do?
Synthesia is a London software company whose platform lets businesses create videos from text, using AI-generated presenters, or avatars, that speak in many languages. It makes money from subscriptions sold to companies, which mostly use it for training, internal communications, marketing and customer support videos without cameras, studios or actors. Customers can also create custom avatars based on real people. It was founded in 2017 by entrepreneurs and AI researchers including academics from UCL and the Technical University of Munich.
How does Synthesia compare with its rivals?
By turnover, Synthesia is 5th of the 12 companies in our battle of the UK AI companies, behind Google DeepMind. The battle ranks them on turnover, pre-tax profit, margin, growth and net assets. The battle of the UK AI companies →
Who owns Synthesia?
Synthesia Limited has no person with significant control recorded at Companies House.
How much does Synthesia make?
Synthesia Limited reported turnover of $113m (about £86m) in the year to December 2025. It filed a pre-tax loss of $70m (about £53m).
How many people work at Synthesia?
Synthesia Limited reported 481 employees in the year to December 2025.
Who runs Synthesia?
The Companies House register lists 8 current officers for Synthesia Limited. The full list, with appointment dates, is on the Companies House register.
- Figures come from Synthesia Limited's filings at Companies House, company number 10933652, for the period shown at the top of the page.
- These are group accounts: they include the companies it owns.
- Pre-tax profit is the figure the company filed, for both years.
- A figure the filing does not disclose is shown as n/d. A zero in the filing is treated as not disclosed, never as nil.
- Rounding: below £0.1m in thousands, from £0.1m to £2m to one decimal place, from £2m to the nearest million.
- Ownership is shown in the control bands the register of people with significant control uses, not as exact shareholdings.
- Officers' names and appointment dates come from the Companies House register. Job titles come from the company's own website. The description of what the company does comes from its website, or is marked Spark Intel editorial where it is written from stable, checked facts, with the date either way.
Spark Intel, “Synthesia: who owns it, who runs it and what the accounts show”, updated 11 November 2026. https://www.spark-intel.co.uk/companies/synthesia/. Figures from Companies House filings for SYNTHESIA LIMITED (10933652).
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