---
title: 'SelectLine + Stack Internal'
url: 'https://www.staging38.commercient.com/product/selectline-stack-internal/'
date: '2026-06-19T11:17:40-04:00'
modified: '2026-06-19T11:17:40-04:00'
author: 'Aaron Torres'
excerpt: 'Commercient SYNC connects SelectLine to Stack Internal, giving your team access to SelectLine data directly within Stack Internal. 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 SelectLine and Stack Internal, aligning project costs, budgets and financial data between the ERP and construction management platform. The integration supports customisable sync frequency and field mapping to match specific business requirements.

## What syncs

- Connect SelectLine Price Lists to Stack Internal
- Sync SelectLine Vendors to Stack Internal
- Export SelectLine Purchase Orders to Stack Internal
- Connect SelectLine Payments to Stack Internal
- Sync SelectLine Credit Notes to Stack Internal
- Update SelectLine Customers from Stack Internal Data

## Why Commercient

### Pricing and rates management

Connect SelectLine Price Lists to Stack Internal so pricing data stays current and consistent across both systems without manual updates.

### Account and contact management

Keep SelectLine Customers and Contacts aligned with Stack Internal account records so all customer-facing teams work from the same data.

### Reporting and data visibility

Sync SelectLine transactional data to Stack Internal so teams have the information they need for reporting, planning and operational decisions.

### Credit note and returns management

Connect SelectLine Credit Notes and returns data to Stack Internal to keep customer account balances and return records aligned between both systems.

## About SelectLine

SelectLine is business management and ERP software for German-speaking SMEs, managing accounting, inventory, purchasing, sales and financial reporting.

## About Stack Internal

Stack Internal is a construction estimating and pre-construction management platform, managing takeoffs, cost estimates, bid management and project budgets for contractors.

## Frequently asked questions

### Does Commercient support two-way sync between SelectLine and Stack Internal?

Commercient can support bidirectional sync between SelectLine and Stack Internal when configured. Exact two-way capabilities depend on the systems involved and the integration scope.

### Can SelectLine Price Lists sync to Stack Internal?

Commercient can sync SelectLine Price Lists to Stack Internal when included in scope. Exact pricing sync capabilities depend on how pricing is structured in SelectLine and how Stack Internal accepts pricing data.

### Can SelectLine Vendors and Purchase Orders sync to Stack Internal?

Commercient can support syncing SelectLine Vendors and Purchase Orders to Stack Internal when relevant to the integration workflow. Exact capabilities depend on both systems and the project scope.

### How is the SelectLine and Stack Internal integration scoped and implemented?

Commercient scopes each integration based on the customer's SelectLine and Stack Internal configuration, the objects to be synced and the required sync direction. Timelines and supported objects are agreed during the scoping process.

### Can SelectLine Invoices data sync to Stack Internal?

Yes, Commercient can sync SelectLine Invoices data to Stack Internal when included in scope. Exact field mapping, sync frequency and object coverage are configured per project.
