Siteimprove provides services and solutions to a wide range of clients within the public and private sectors in Ireland, Denmark, Sweden, the UK and the USA. Here is a list of Siteimprove's Irish customers.

• Airtricity
• Anglo Irish Bank Corporation
• Bank of Ireland
• Bord Gáis
• Bus Éireann
• Business Access to State Information and Services
• Clare County Council
• Comhairle
• Cork City Council
• Department of Communications, Marine & Natural Resources
• Department of the Taoiseach
• Department of Transport
• Dún Laoghaire-Rathdown County Council
• Electricity Supply Board
• Fingal County Council
• Glenfield Software Ltd
• GoHop.ie
• Health and Safety Authority
• IDA Ireland
• Irish College of General Practitioners
• Irish Life
• Irish Nurses Organisation
• Irish Rail
• Kilkenny County Council
• Land Registry
• Marine Institute
• Mayo County Council
• National Maternity Hospital
• National Council for the Professional Development of Nursing & Midwifery
• National Council on Ageing and Older People
• National Roads Authority
• NEXINT S.A.
• Office of the Director of Community & Enterprise
• Patents Office
• Permanent TSB
• Public Appointments Service
• Quest Computing
• Reach
• Roscommon County Council
• SIPTU
• South Dublin County Council
• SPA Ireland
• The Food Safety Authority
• Vodafone Ireland Limited
• 3V Transaction Services Ltd