Jonas Construction vs Accon ERP: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.

Jonas Construction
Construction ERP built for specialty contractors in HVAC, plumbing, electrical, and mechanical trades.
Accon ERP
Cloud ERP from Madrid for Spanish SMEs: accounting, CRM, warehouse, field service, time tracking and AI agents in one system.
Quick Comparison
| Aspect | Jonas Construction | Accon ERP |
|---|---|---|
| Best For | HVAC contractors managing both installation and service divisions | Spanish distribution, manufacturing and field service SMEs of 10-200 employees |
| Pricing Model | Contact Sales | Contact Sales |
| Starting Price | Contact Sales | Contact Sales |
| Deployment | cloud, on premise | cloud |
| Platforms | WEB, WINDOWS | WEB |
| Rating | 7.0/10 | 9.4/10 |
Pros & Cons
Jonas Construction
Pros
- Purpose-built for specialty trades β HVAC, plumbing, electrical, and fire protection
- Handles both construction projects and service/maintenance contracts in one system
- Flat-rate pricing integration streamlines residential service billing
- Strong job costing with AIA billing and certified payroll support
- Backed by Constellation Software β stable, well-funded parent company
Cons
- Interface looks and feels outdated β legacy Windows client still heavily used
- Implementation takes 6-12 months and requires Jonas consulting engagement
- Mobile capabilities are basic compared to modern field-first platforms
- Pricing is opaque β expect $500-$2,000+/month depending on modules and users
- Limited documentation forces heavy reliance on support and consultants
- Reporting requires training to build custom reports effectively
Accon ERP
Pros
- One integrated system: accounting, CRM, warehouse, field service and time tracking share the same data
- Sector-specific setups for distribution, manufacturing and technical service companies
- AI agents included in the family: invoice capture (Smart Finance) and 24/7 phone support (Smart Care)
- Accounting adapted to the SII, with automatic bank synchronisation
- Local implementation and support team in Madrid, plus the Accon Academy training portal
Cons
- No public pricing for the suite: you need a quote
- Not self-service: implementation runs through consulting
- Focused on Spain; limited use for multi-country groups
- Confirm connectors, data migration and applicable implementation costs in writing
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| Jonas Construction | contact sales | Contact Sales |
| Accon ERP | contact sales | Contact Sales |
Our Verdict
Choose Jonas Construction if...
HVAC contractors managing both installation and service divisions
Choose Accon ERP if...
Spanish distribution, manufacturing and field service SMEs of 10-200 employees
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.