BrightPay is a payroll and HR software provider serving accountants, payroll bureaus, and small-to-medium employers across the UK and Ireland. Available as cloud-based and desktop software, it supports RTI submissions, HMRC recognition, automatic enrolment for workplace pensions, employee self-service portals, and payroll journal integrations with Xero, Sage, and QuickBooks. Launched in 2011, BrightPay processes payroll for over 330,000 employers and roughly 3.5 million employees monthly. Operated by Thesaurus Software Ltd, part of Bright Software Group following a 2021 merger under Hg Capital ownership.