Unit4 provides purpose-built business solutions for professional services firms. It serves over 40,000 clients in over 100 countries with a workforce of over 4,200 professionals. The document discusses the key challenges for professional services firms like multi-systems, manual processes, and high overheads. It outlines Unit4's solution which provides an integrated experience from customer sourcing to cash across projects, time tracking, expenses, resource planning, and accounting on the Microsoft Dynamics platform.