Source
Sellsy

Sellsy

Destination
Invoice Ninja

Invoice Ninja

CRM MigrationStarting at $500

Migrate from Sellsy to Invoice Ninja

Effortlessly & Accurately

Transfer contacts, companies, activities, and more from Sellsy to Invoice Ninja. 12 of 17 data objects fully compatible. 48-hour delivery with 100% accuracy guarantee.

1,000+ Migrations Completed

Migrations start at $500 USD

Get a custom quote for your Sellsy to Invoice Ninja migration based on your specific requirements.

95%+ of our migrations cost less than $3,000

What's included in every migration

  • Full data audit and mapping
  • Test migration with sample data
  • Zero downtime during migration
  • Data integrity verification
  • Post-migration support
Enterprise-grade security
Average 48hr turnaround
Dedicated support

What affects your quote

Number of Records

Total contacts, companies, deals, and activities to migrate

Custom Fields & Objects

Complex data structures and custom configurations

Data Complexity

Relationships, attachments, and historical data depth

Timeline Requirements

Standard or expedited migration scheduling

15-minute call • No commitment • Get instant estimate

Prefer email? talk@ambrstack.com

100% Data Accuracy Guarantee

If any data is incorrectly migrated, we'll fix it for free, no questions asked. Your data integrity is our top priority.

Platform Comparison

Sellsy vs Invoice Ninja

A quick look at both platforms to help you understand your migration path

Migrating from
Sellsy

Sellsy

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.

Founded 2009
La Rochelle, France
Best for
Small BusinessMid-Market
Industries
RetailServicesTechnology+2 more
Top Strength

Complete CRM, ERP, and invoicing in one platform

Migrating to
Invoice Ninja

Invoice Ninja

Free source-available invoicing for small businesses

Invoice Ninja is a source-available invoicing platform built with Laravel, Flutter, and React. It provides invoicing, payment acceptance, expense tracking, time tracking, proposals, and project management for freelancers and small businesses.

Founded 2014
Best for
Small Business
Industries
FreelancersSmall BusinessProfessional Services+2 more
Top Strength

Source-available with self-hosted deployment option

Your New CRM

Why Invoice Ninja is a great choice

Invoice Ninja

Invoice Ninja

"Free source-available invoicing for small businesses"

Invoice Ninja is a source-available invoicing platform built with Laravel, Flutter, and React. It provides invoicing, payment acceptance, expense tracking, time tracking, proposals, and project management for freelancers and small businesses.

Ideal for: Freelancers and small businesses seeking a free or affordable invoicing solution with time tracking, expense management, and self-hosted deployment options.

Source-available with self-hosted deployment option

Comprehensive invoicing with recurring billing

Industries
FreelancersSmall BusinessProfessional Services+2
Best For
Small Business

Payment gateway integrations for credit cards and ACH

Time tracking with one-click invoice conversion

Learn more at

invoiceninja.com

Data Compatibility

What gets migrated

See exactly which data objects transfer from Sellsy to Invoice Ninja

Sellsy
Invoice Ninja
Both platforms support this
Requires field mapping
Not in target CRM

Core Objects

Contacts
Supported
Companies
Supported
Deals
Not Available
Leads
Not Available
Activities
Supported

Communication

Emails
Supported
Notes
Supported
Tasks
Supported

Advanced Features

Custom Fields
Supported
Custom Objects
Mapping Required
Products
Supported
Quotes
Supported
Documents
Supported
Campaigns
Not Available

Specialized

Tickets
Not Available
Invoices
Supported
Subscriptions
Supported

Expert-handled migration: Our specialists manage all data mapping and transformations to ensure accurate transfer.

FAQ

Sellsy to Invoice Ninja Migration FAQ

Common questions about migrating from Sellsy to Invoice Ninja.

Related Migration Paths

Explore other popular CRM migrations similar to Sellsy to Invoice Ninja

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Prefer email? talk@ambrstack.com