
Construction ERP software for mechanical and specialty contractors
Jonas Enterprise is a full-suite construction ERP system designed for mechanical and specialty contractors. With over 30 years of proven success, Jonas integrates accounting, job and project management, service management, operations, and analytics into a unified platform with more than 40 in-house-built modules. Available both on-premise and as a fully managed cloud solution via Microsoft Azure, Jonas Enterprise helps mid-sized to large commercial contractors centralize data, streamline operations, and gain real-time visibility across multiple complex projects. The platform is built by Jonas Software, a Constellation Software company, and serves contractors across HVAC, plumbing, electrical, and other specialty trades.
Full general ledger, accounts payable/receivable, payroll, and financial reporting built specifically for construction workflows
Track costs, budgets, change orders, and profitability across multiple jobs and regions in real time
Manage service contracts, dispatch technicians, track work orders, and handle preventive maintenance scheduling
Fully managed SaaS deployment on Microsoft Azure with SSO, MFA, automatic updates, daily backups, and 24/7 monitoring
Track equipment inventory, maintenance schedules, utilization rates, and depreciation across your fleet
Centralized storage for contracts, drawings, change orders, and project documentation with version control
Manage material procurement, purchase orders, inventory levels, and vendor relationships
Start using Jonas Enterprise today and boost your productivity.
Visit WebsiteField workers can access timesheets, work orders, and project data from mobile devices on the job site
Built-in analytics and reporting dashboards for real-time visibility into financial performance and project status
Track subcontractor agreements, compliance documents, insurance certificates, and payment processing