ERP data integration for SMEs: process, costs and five common pitfalls
Connect Bexio, Abacus, CRM, ecommerce and spreadsheets through clear data ownership and reliable interfaces.
By Ralph Heezen
A typical SME uses ERP, CRM, ecommerce, accounting and spreadsheets. Each works individually; problems arise between them through duplicate entry, outdated copies and conflicting figures. Integration addresses these handovers and supplies the foundation for dashboards, automation and useful AI.
What integration means#
Three progressive levels:
- Read for BI: combine sources in dashboards or reports without changing them. Usually the lowest-risk starting point.
- Synchronise: reconcile customer, item and price master data under defined ownership.
- Automate: execute cross-system processes, such as shop orders becoming ERP orders or PDFs becoming draft quotes.
Many SMEs can start with read-only reporting and reuse its connections for later stages.
Four phases#
- Inventory, typically 1–2 weeks: locate data, owners and copies, including spreadsheet processes.
- Define the goal: identify management metrics and the most costly manual process. Avoid connecting everything simply because it is possible.
- Connect: use official APIs while retaining source systems. Tools such as SeaTable can join the existing landscape.
- Operate: automate updates and monitor outages and unexpected records. Connections require care for as long as their systems operate.
Five common pitfalls#
- Master-data quality: differently spelled company names may appear as separate records. Clean and define matching rules first.
- API limits: rate limits and missing fields must be assessed before promising a flow.
- Bidirectional synchronisation: conflicts need clear ownership. Start with reading and add specific writes.
- Tool lock-in: chains of no-code connections can become costly and difficult to understand. Compare their total maintenance cost with owned, documented integration code.
- No operational user: a dashboard needs a real decision and working rhythm. An emailed weekly report may be used more consistently.
Planning costs#
| Scope | Typical one-off range |
|---|---|
| Dashboard/report from 2–3 systems | CHF 5'000–15'000 |
| ERP-to-CRM/shop master-data sync | CHF 8'000–25'000 |
| Process automation | Standard modules from CHF 5'900; custom scope quoted separately |
Source count, quality and write requirements determine effort. Monitoring and API/process changes add ongoing work, often starting at a few hundred francs monthly.
Our approach#
A free 10-day prototype demonstrates a defined flow using sample data before a wider investment. Continue with data integration and BI for reporting and analysis, or ERP and API integration for operational connections and automation.
Define your system landscape
Explore integration methods, typical tools and clear project boundaries.
View ERP integration