---
title: 'ECI RockSolid MAX  + Sellsy'
url: 'https://www.staging38.commercient.com/product/eci-rocksolid-max-sellsy/'
date: '2026-06-19T10:12:56-04:00'
modified: '2026-06-19T10:12:56-04:00'
author: 'Aaron Torres'
excerpt: 'Commercient SYNC connects ECI RockSolid MAX to Sellsy, giving your team access to ECI RockSolid MAX data directly within Sellsy. No complex coding required.'
featured_image: 'https://www.staging38.commercient.com/wp-content/uploads/2026/06/Commercient-Product-Image.webp'
language: en-US
post_type: product
woocommerce:
  price: '0 USD'
  stock_status: instock
  attributes: { Product: SYNC }
---

Commercient connects ECI RockSolid MAX and Sellsy, keeping key business data aligned between both platforms. This connection keeps data consistent across both systems so teams work from accurate records.

## What syncs

- Sync ECI RockSolid MAX Customer Records to Sellsy
- Export ECI RockSolid MAX Orders and Transactions to Sellsy
- Update Sellsy Product Data from ECI RockSolid MAX
- Sync ECI RockSolid MAX Inventory Levels to Sellsy
- Import Sellsy Data into ECI RockSolid MAX Records
- Connect ECI RockSolid MAX Financial Data to Sellsy

## Why Commercient

### Customer data alignment

Sync ECI RockSolid MAX Customers to Sellsy so both platforms share accurate and up-to-date customer information for operations and account management.

### Order and transaction sync

Export ECI RockSolid MAX Sales Orders and transactions to Sellsy to keep operational data aligned and support accurate workflow management across both systems.

### Product and inventory management

Update ECI RockSolid MAX Items and Inventory data in Sellsy so teams have current product information available in both platforms.

### Financial data management

Connect ECI RockSolid MAX Invoices and financial records to Sellsy to support accurate reporting and data management across both systems.

## About ECI RockSolid MAX

ECI RockSolid MAX is a leading business platform used by companies worldwide.

## 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

### What data can Commercient connect between ECI RockSolid MAX and Sellsy?

Commercient can synchronise key ECI RockSolid MAX 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.

### Can ECI RockSolid MAX Customers sync into Sellsy Companies and Contacts?

Yes, Commercient can sync ECI RockSolid MAX 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.

### Can Sellsy Deals be connected back to ECI RockSolid MAX as Sales Orders?

Commercient can support connecting Sellsy Deals back to ECI RockSolid MAX as Sales Orders when included in the integration scope. This allows approved CRM deals to flow into ERP fulfilment workflows. Two-way sync capability depends on project configuration.

### How often does the ECI RockSolid MAX and Sellsy sync run?

Commercient typically runs on a scheduled sync, with frequency configurable based on business requirements. Near-real-time and scheduled batch options are available depending on system capabilities and project scope.

### Can sales reps see ECI RockSolid MAX Invoices and Payments inside Sellsy?

Yes, Commercient can surface ECI RockSolid MAX Invoices and Payments data inside Sellsy so sales reps can review account financial status without leaving the CRM. Exact field display depends on project configuration.