Sumer Northern Ireland is one of the region’s leading accountancy and business advisory practices and part of the Sumer Group, the UK’s fastest-growing network of professional services firms dedicated to supporting SMEs.

Across the group, more than 2,500 specialists share a common ambition: delivering trusted, high-quality advice while maintaining the personalised, partner-led approach that sets us apart.

At Sumer NI, collaboration is at the heart of how we work. Our teams combine deep technical expertise with a practical understanding of the challenges businesses face, allowing us to provide advice that genuinely makes a difference. We are proud of the strong, long-term relationships we build with our clients and the supportive culture we create for our people.