46. Denvir Holdings
- Managing director: Pete Boyle
- Pre-tax profit: £7.6m
- Employment: 579
- Pay bill: £6.5m
Denvir Holdings is the parent company of Northern Ireland-based jewellery chain Argento. The company was founded by Strabane-born Pete Boyle, and is now run by Mr Boyle and his wife Ciara.
There are now 51 Argento and Pandora shops around the UK and Ireland. Argento Contemporary Jewellery Limited is now a fully-owned subsidiary of Denvir Holdings.