
Sellsy

Act-On
Transfer contacts, companies, activities, and more from Sellsy to Act-On. 10 of 17 data objects fully compatible. 48-hour delivery with 100% accuracy guarantee.
Get a custom quote for your Sellsy to Act-On 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
Prefer email? talk@ambrstack.com
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

Growth marketing for any business
Act-On is a cloud-based marketing automation platform that helps midsized businesses streamline email marketing, lead management, and customer nurturing. It integrates with major CRM systems and provides deep analytics, lead scoring, and automation capabilities for multi-channel marketing campaigns.
Strong CRM integrations with Salesforce, Dynamics, and others

"Growth marketing for any business"
Act-On is a cloud-based marketing automation platform that helps midsized businesses streamline email marketing, lead management, and customer nurturing. It integrates with major CRM systems and provides deep analytics, lead scoring, and automation capabilities for multi-channel marketing campaigns.
Ideal for: Mid-market B2B companies needing integrated marketing automation with CRM connectivity
Strong CRM integrations with Salesforce, Dynamics, and others
Comprehensive marketing automation and lead scoring
REST API with good developer documentation
Multi-channel marketing capabilities
Learn more at
act-on.com
See exactly which data objects transfer from Sellsy to Act-On


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