Pegasus CIS 5
Contract Costing & Construction

Complete contracts management for the construction and contracting industry — fully integrated with Opera 3 SQL SE. Control costs, manage subcontractors and deliver projects on time and within budget.

Contract
costing
Subcontractor
management
Mobile
web apps
Live Opera 3
integration
100+
New enhancements
in CIS 5
150%
Avg. cost overrun
CIS 5 helps prevent
CIS 5
Integrated with
Opera 3 SQL SE

CIS 5 Software | HMRC-Compliant Construction Accounting

Pegasus Opera 3 CIS 5 offers a fully integrated Construction Industry Scheme (CIS) solution for UK businesses operating within the construction sector. Designed to simplify CIS accounting, it automates deduction calculations, verifies subcontractors with HMRC, and generates compliant payment and deduction statements.

 Seamlessly connecting with Opera 3 financials and payroll modules, it ensures complete CIS compliance, reduces manual errors, and improves operational efficiency. Whether you manage a handful or hundreds of subcontractors, Opera 3 CIS helps you stay HMRC-compliant while saving time and resources. It’s the ideal CIS software for construction companies seeking reliable, scalable, and easy-to-use financial management tools.