Sellsy vs Attio
Short version: Sellsy is the better fit for French SMBs that want CRM plus invoicing and billing together, while Attio is built for startups and product-led teams that want a flexible, modern CRM.
Sellsy
French all-in-one CRM, billing & marketing
$29/mo
From ~€29/seat/mo; CRM + invoicing + marketing suite
Attio
Flexible, data-native CRM for modern teams
Free plan
Free plan; paid from ~$29/seat/mo (Plus/Pro tiers)
At a glance
| Spec | Sellsy | Attio |
|---|---|---|
| Starting price | $29/mo | Free plan |
| Budget tier | Mid-range | Budget-friendly |
| Complexity | Intermediate | Intermediate |
| Primary category | CRM | CRM |
| Integrations | 50+ | 50+ |
| Founded | 2009 | 2019 |
Feature comparison
Sellsy offers 8 of 11 tracked crm features; Attio offers 8.
| Feature | Sellsy | Attio |
|---|---|---|
| Visual pipeline management | ||
| Contact & company records | ||
| Email sync & tracking | ||
| Workflow automation | ||
| Reporting & dashboards | ||
| Built-in dialer | ||
| Sales forecasting | ||
| Mobile app | ||
| Free plan | ||
| API & webhooks | ||
| Priority / 24-7 support |
Sellsy
Pros
- CRM, quotes, and invoicing in one French suite
- French accounting and compliance native
- Good value for SMBs
Cons
- Mostly relevant to the French market
- Less customizable than Salesforce
- Smaller integration catalog
Attio
Pros
- Extremely flexible data model and slick UI
- Real-time enrichment and email/calendar sync
- Strong free tier and quick to customize
Cons
- Younger ecosystem, fewer native integrations
- Forecasting and sales reporting still maturing
- Best for teams comfortable building workflows
Which should you choose?
Choose Sellsy if…
- you want CRM, quotes, and invoicing in one French suite
- you want French accounting and compliance native
- you want good value for SMBs
Choose Attio if…
- you want extremely flexible data model and slick UI
- you want real-time enrichment and email/calendar sync
- you want strong free tier and quick to customize
The verdict
Both are solid crm tools. The best choice comes down to fit: Sellsy for French SMBs that want CRM plus invoicing and billing together, and Attio for startups and product-led teams that want a flexible, modern CRM.
Browse all tools →Frequently asked questions
Is Sellsy or Attio cheaper?
Attio is the more affordable option (Free plan versus $29/mo). The lower sticker price isn't always the better value, though, weigh the tier your team will actually land on and any add-ons.
Which is better, Sellsy or Attio?
Neither is strictly better, they're built for different priorities. Sellsy is the stronger pick for French SMBs that want CRM plus invoicing and billing together, while Attio suits startups and product-led teams that want a flexible, modern CRM.
What's the main difference between Sellsy and Attio?
Sellsy is intermediate and mid-range, while Attio is intermediate and budget-friendly. On tracked crm features, Sellsy covers 8 and Attio covers 8.