Connect Comarch ERP Optima to Sellsy
Connect Comarch ERP Optima and Sellsy to remove the data gap between your core business systems. Keep shared records current and workflows uninterrupted.
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SYNC data from Comarch ERP Optima to Sellsy and back!
*Connection pairings may vary based on your platform specifications
Why Commercient?
With Commercient, you can integrate everything from basic data entry to on-premise or cloud-based end-to-end processes.
Purchase order management
Export Comarch ERP Optima Purchase Orders to Sellsy so procurement and operations teams can manage purchasing from either system with consistent data.
Payment and cash management
Sync Comarch ERP Optima Payments and receipt data to Sellsy so financial records and customer payment status are current in both platforms.
Quote and estimate management
Connect Comarch ERP Optima Quotes to Sellsy so quoting activity is visible and consistent across both systems for sales and operations.
Customer data alignment
Sync Comarch ERP Optima Customers to Sellsy so both platforms share accurate and up-to-date customer information for operations and account management.
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About Comarch ERP Optima
Comarch ERP Optima is a business management system for small and mid-size companies in Poland, managing accounting, inventory, sales, HR and CRM functions.
About Sellsy
Sellsy is a CRM, invoicing and business management platform for French small and mid-size businesses, managing contacts, opportunities, quotes, invoices and financial tracking.

Frequently asked questions (FAQs)
Commercient scopes each integration project based on the customer's Comarch ERP Optima and Sellsy configuration, the objects to be synced, and the required sync direction. Implementation timelines and supported objects are agreed during the scoping process.
Yes, Commercient can sync Comarch ERP Optima Sales Orders history to Sellsy Companies records so sales reps can review a customer's order activity, status and history from inside the CRM. Exact object mapping and frequency are configured per project.
Commercient handles duplicate customer matching during implementation using configurable matching criteria such as account name, email or customer code. The matching logic is agreed during the scoping and setup process to prevent duplicate records.
Commercient can synchronise key Comarch ERP Optima ERP data with Sellsy, such as Customers, Contacts, Items, Inventory, Sales Orders, Invoices and Payments. Supported objects and sync direction depend on the customer's system setup and project scope.
Yes, Commercient can sync Comarch ERP Optima Customers into Sellsy as Companies and Contacts. This gives sales teams access to ERP account data from inside the CRM. Exact field mapping and sync frequency are configured per project.








