Office, crew and customer in one system.
Choose the ERP that runs your office. Connect the apps for your website, your crews and your customers. What one fills in, the other sees straight away.
- On your website
Your visitors calculate their own quote.
- At your customer's home
Sign, follow up and see the yield.
- On site
Survey, install and hand over.
- For the inspection
Draw single-line diagrams from the order.
- Your other softwareConnections
Accounting, leads and your AI agents.
Pick one. Everything else connects to both.
What they fill in is in your ERP straight away. What you prepare, they see straight away.
Which base fits you?
Two ERPs, both from quote to invoice. The difference is in how you work.
- Available
Choose HappERP if you want to start tomorrow.
- You want calculators for solar panels, batteries, charging stations and heat pumps that are ready to go
- Your planning, purchasing and stock belong in the same system
- Inspections, grid registration and Peppol can run on their own
- New
Choose HappCore if you work differently from the rest.
- You want to decide which steps a quote, order or invoice goes through
- You build your own documents, emails and reports, without writing code
- You want to do everything through an API, or even run HappCore headless
Not sure? We'll work it out together in a demo. Book a demo
Connects to your base
Apps for the people who aren't in the office. They work with HappERP and with HappCore.
Everything to your customers, in your brand.
Sign quotes, follow the installation and then see the yield.
Discover HappPortalLeads that are already calculated.
A quote tool on your own website. The request appears in your ERP as a quote.
Discover HappQuoteYour crews on site.
Survey, install, hand over and log hours.
Discover HappFieldSchemas for the inspection.
Draw single-line diagrams from the order.
Discover HappDraw
Custom work is our trade
Does your business work differently from the rest? Then we build calculators, bills of materials and integrations around it. Even for projects that have nothing to do with energy.
Book a demo
Tell us briefly how you work. We'll show you the software with your kind of installations, with no obligation.