
Sellsy

Teamleader
Transfer contacts, companies, deals, and more from Sellsy to Teamleader. 14 of 17 data objects fully compatible. 48-hour delivery with 100% accuracy guarantee.
Get a custom quote for your Sellsy to Teamleader migration based on your specific requirements.
Total contacts, companies, deals, and activities to migrate
Complex data structures and custom configurations
Relationships, attachments, and historical data depth
Standard or expedited migration scheduling
15-minute call • No commitment • Get instant estimate
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If any data is incorrectly migrated, we'll fix it for free, no questions asked. Your data integrity is our top priority.
A quick look at both platforms to help you understand your migration path

Your all-in-one sales launchpad
Sellsy is a comprehensive cloud-based CRM, ERP, and invoicing platform designed for small to medium-sized businesses. It provides lead generation, sales automation, invoicing, project management, and customer service tools all in one integrated solution.
Complete CRM, ERP, and invoicing in one platform

CRM, invoices, quotations and projects in one tool
Teamleader is a Belgian unified platform combining CRM, invoicing, and project planning for small and medium enterprises, offering contact management, automated invoicing, time tracking, support tickets, and calendar planning.
Integrated CRM, project management, and invoicing

"CRM, invoices, quotations and projects in one tool"
Teamleader is a Belgian unified platform combining CRM, invoicing, and project planning for small and medium enterprises, offering contact management, automated invoicing, time tracking, support tickets, and calendar planning.
Ideal for: European SMEs and agencies seeking an all-in-one work management tool combining CRM, project management, time tracking, and automated invoicing.
Integrated CRM, project management, and invoicing
Automatic invoice sending with status tracking
Built-in time tracking for employee hours
Support ticket functionality included
Learn more at
teamleadercrm.com
See exactly which data objects transfer from Sellsy to Teamleader


Expert-handled migration: Our specialists manage all data mapping and transformations to ensure accurate transfer.
Common questions about migrating from Sellsy to Teamleader.
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Prefer email? talk@ambrstack.com