Stop Emailing
Quotes and Invoices
Exchange quotes, invoices, and documents with your business partners — directly, securely, in one place.
No credit card required · Free for personal use
Business data gets stuck in silos
- ✗ Every quote you send gets re-entered by your customer
- ✗ Every invoice needs manual processing on both sides
- ✗ Project communication scattered across emails
One shared space for both sides
- ✓ Documents flow directly between supplier and customer
- ✓ Contracts are signed digitally with legal validity
- ✓ Everything in one place — chat, documents, invoices
How It Works
Three steps to streamline your business
Connect
Connect your ERP — SAP, Odoo, Bexio, Abacus, Proffix, and 6 more. Or start without one. Your contacts and quotes are ready instantly.
Collaborate
Send quotes, share documents, chat in real-time. Your customer sees everything in their own dashboard.
Close
Digital signatures seal the deal. Your ERP updates automatically. Track invoices and payments in one place.
Connects to 11 ERP Systems
Your business software — connected, organized, compliant
SAP Business One
Odoo
Bexio
Abacus
Proffix Px5
CashCtrl
AbaNinja
KLARA
MOCO
Vertec
Comatic
More coming
No ERP? No problem. ATHEMI works standalone too.
Everything You Need
Built for how businesses actually work
Digital Signatures
Legally binding contract acceptance with audit trail
Real-time Chat
Communicate within each project — no more scattered emails
Project Export
Download complete projects as ZIP — documents, timeline, chat, signatures
ERP Sync
Bidirectional sync with 11 ERP systems — contacts, quotes, and invoices
Enterprise Security
2FA, encryption, rate limiting, domain verification
Team Management
Invite employees, assign roles, enforce company policies
Trello, Slack & Webhooks
Automate your workflow with Trello cards, Slack notifications, or connect to Zapier, Make, and custom tools
Domain Verification
Verified badge, auto team onboarding, impersonation protection