Brown Thomas | 25,864 followers on LinkedIn. Brown Thomas is part of the Brown Thomas Arnotts group. Visit https://www.linkedin.com/company/brown-thomas-arnotts | Brown Thomas is part of the Brown Thomas Arnotts group. For the latest news, updates, and career opportunities, visit https://www.linkedin.com/company/brown-thomas-arnotts. Established in 1849 by the haberdashers and drapers, Hugh Brown and James Thomas, Brown Thomas was from the outset, a name that is synonymous with luxury, integrity and beauty.