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Thalia Therapeutics PLC
Advancing RNA therapeutics with proprietary delivery tech. Multi-RNA loading, flexible targeting & oral delivery for oncology and cardiovascular disease. The company’s own description of itself, taken from its website.
Active 47 years old · 630th oldest of 4,506 · incorporated in the 1970s
Registered office
2 PORTMAN STREET, LONDON, W1H 6DU
GLEIF records a different headquarters address: WESTON HOUSE, BRADGATE PARK VIEW, DERBY, DE73 5UJ. A registered office is where filings are served, which for a large group is often its lawyers or company secretary rather than where the business is run.
Other PLCs registered in London
Online
Website www.thaliatx.com
Found by searching for the company name and kept only where the domain matches it. Social accounts are listed only where the company links to them from its own site. Nothing here is supplied by the company to us.
Filing history
This company has 449 documents on its Companies House record. The most recent accounts were filed on 09/07/2026. Its last confirmation statement or annual return was filed on 29/04/2026.
The most recent filings
This is the list of documents filed, not their contents. A line saying accounts were filed records that they were filed and when; it says nothing about turnover, profit or assets, which are inside the documents themselves and are not published here. Read the filings on the Companies House record.
Who runs it
The register lists 7 current officers and 34 who have resigned.
Who controls it
The register shows no current person or entity with significant control for this company.
Charges
A charge is security a company gives a lender over its assets. This company has 21 registered charges, of which 0 are not yet recorded as satisfied.
National Westminster Bank PLC Fully satisfied, created 20/09/2009
National Westminster Bank PLC Fully satisfied, created 31/03/2009
Lloyds Tsb Bank PLC Fully satisfied, created 03/10/2005
Lloyds Tsb Bank PLC Fully satisfied, created 27/12/2004
Lloyds Tsb Bank PLC Fully satisfied, created 24/05/2002
Lloyds Tsb Bank PLC Fully satisfied, created 24/04/2002
Harvey Investments Limited Fully satisfied, created 09/03/1998
Midland Bank PLC Fully satisfied, created 17/09/1997
Showing the 8 most recent. The full list is on the Companies House record.
Officers, controllers and charges are as recorded on the Companies House register on 13/10/2026, and the register changes daily. Appearing here is not an allegation about anyone. Read the current record on the Companies House record.
What it does
This page is compiled from the public register. Companies House does not verify the information filed with it, so treat everything here as what the company reported rather than as established fact. For filings, officers and charges, see the official Companies House record.
Also at W1H 6DU
A shared registered office is not evidence of a relationship. Formation agents and genuine groups look identical on the register.
On the register
- 630th oldest of 4,506 PLCs
- One of the 1970s cohort
- Not in liquidation or facing strike off
There are 4,506 PLCs in Britain, under a tenth of one per cent of the register. The whole count.