The story
Founded by Andrew Yule in 1863.1
Private company
Logo: 2017 Annual Report, Non-free logo, via Wikipedia4
British chemical manufacturing company
Synthomer plc, formerly known as Yule Catto & Co, is a British-based chemicals business. It is listed on the London Stock Exchange.2 It was founded by Andrew Yule.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
See how the biggest companies compare on our leaderboards

Synthomer plc, formerly known as Yule Catto & Co, is a British-based chemicals business. It is listed on the London Stock Exchange.2
Synthomer sits at the top of its group. 10 entities, 6 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.
Founded by Andrew Yule in 1863.1
Who has led Synthomer, and when. Pick a name to see everywhere that person has worked.
From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.
The numbers on this page point here. Each one links to the record it came from.