Jewellery manufacturer in Bangkok
We sell only to goldsmiths, independent retailers and brands, and have never sold to their customers. The goldsmiths are Thai and the management is European.

1935
In jewellery
Trading in jewellery since 1935.
2005
In Gemopolis
The factory moves to the Gemopolis Industrial Zone in Bangkok, the bonded estate the Thai jewellery industry is built around.
Today
Trade only
CAD, casting, setting, finishing and packing under one roof, for goldsmiths, independent retailers and brands.
CEO since 2018
Jesper Riis-Antonsen has run Paterson since August 2018.
From 2013 to 2017 he was Vice President of Procurement, Planning and CSR at Pandora’s production in Thailand, responsible for more than 650 people in its supply chain. There he raised delivery on time from 55% to 96%. At Paterson he halved the lead time.
We make Howlet’s rings
Howlet is a men’s jewellery brand from Sydney, Australia, founded in 2012. We make its rings in our factory in Gemopolis and supply them to stores in the US with Howlet’s agreement. Each piece is made to order in the size and metal the store chooses, in 40 days plus shipping.
Our office works in seven languages
The office answers in seven languages, so specifications and setting notes can be sent in yours.
- Thai
- English
- Italian
- German
- Danish
- Swedish
- Dutch
CAD, casting, setting, finishing and packing all happen in our building in Gemopolis, with no subcontractors.
Certification and sustainability

Certified member of the Responsible Jewellery Council (opens in a new tab). Certification covers business ethics, human rights, labour conditions and the sourcing chain, and is re-audited on the Council’s cycle.
We take reasonable steps to ensure that all diamonds and coloured gemstones we buy are supplied in accordance with our policy on responsible sourcing from Conflict-Affected and High-Risk Areas. Every trade customer signs the same declaration when they open an account.
We are a member of the Thai Gem and Jewelry Traders Association (opens in a new tab), the industry body for manufacturers and exporters in Thailand.