Attio vs SS&C Tier1: Complete Comparison (2026)
An in-depth comparison of Attio and SS&C Tier1 to help you choose the right tool for your business.
Last updated: November 2026

Attio
6.9/10
Attio is an AI-native CRM with a flexible custom data model, email and calendar sync, and workflows, aimed at startups and relationship-driven sales teams.

SS&C Tier1
6.2/10
SS&C Tier1 is a Salesforce-based modular CRM for sell-side capital markets teams and investment banks, covering client coverage, deal management, and compliance controls.
Feature-by-Feature Comparison
| Feature | ![]() | ![]() |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 6.2/10 |
| Customization | 9/10 | 8/10 |
| Analytics | 6/10 | 6/10 |
| Integration | 6/10 | 7/10 |
| Support | 6/10 | 6/10 |
| Ease of Use | 8/10 | 5/10 |
| Security | 7/10 | 8/10 |
| Cost | 6/10 | 3/10 |
| Scalability | 6/10 | 8/10 |
| Pricing | ||
| Free plan | Yes | No |
| Cheapest paid plan | €39/user/mo Plus | Contact for pricing |
| Estimated cost for 10 users | €390/mo Plus | Contact for pricing |
| Features | ||
| Collaboration | ||
| Contact Management | ||
| Integrations | ||
| Mobile Access | ||
| Opportunity Management | ||
| Reporting & Analytics | ||
| Lead Management | Not listed | |
| Sales Automation | Not listed | |
Attio vs SS&C Tier1 cost by team size
| Team size | Attio | SS&C Tier1 |
|---|---|---|
| 1 user | FreeFree | Contact for pricing |
| 5 users | €195/moPlus | Contact for pricing |
| 10 users | €390/moPlus | Contact for pricing |
| 25 users | €2,325/moPro | Contact for pricing |
| 50 users | €4,650/moPro | Contact for pricing |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Attio

- Has a free plan (SS&C Tier1 does not)
- Higher Ease of Use score (8/10 vs 5/10)
- Higher Cost score (6/10 vs 3/10)
- Better fit for startups (9/10 vs 1/10)
- Better fit for small business (8/10 vs 1/10)
Why choose SS&C Tier1

- Higher Scalability score (8/10 vs 6/10)
- Higher Integration score (7/10 vs 6/10)
- Better fit for enterprise (9/10 vs 4/10)
- Better fit for financial services (10/10 vs 6/10)
Pros & Cons
Attio

Pros
- The custom objects and attributes let teams model non-standard processes such as fundraising or partnerships.
- Email and calendar sync builds and enriches contact and company records automatically.
- A Free plan for up to 3 seats and transparent per-seat pricing make it easy to start.
- Pro call intelligence records Zoom, Meet and Teams calls and fills fields from transcripts.
- Developers get API access on every plan, plus webhooks, an App SDK and an MCP server.
Cons
- The native integration catalog is smaller than HubSpot's or Salesforce's.
- Mailbox sending caps make it unsuitable for high-volume outbound SDR teams.
- Plus stops at 10 seats, so the 11th seat forces an upgrade to Pro.
- AI features and workflows draw on credit pools that can run out.
- Reviews say the mobile app has fewer features than the web version, and some report inconsistent support.
SS&C Tier1

Pros
- Built for sell-side workflows such as research, trading, and sales coverage, and for investment banking deal management.
- Its security model separates private deal data from shared contacts, so markets and banking can work in one CRM while keeping compliance walls.
- Runs on Salesforce, so it inherits that platform's scale and ecosystem.
- Tier1 for Outlook brings CRM data and mass email into Outlook.
Cons
- No public pricing, and Salesforce licensing is likely needed in addition.
- Very few public user reviews are available for independent evaluation.
- A niche product that does not suit businesses outside capital markets and banking.
- No public information on built-in calling or marketing automation.
Not sold on either?
Frequently Asked Questions
Attio scores higher on our CRM criteria: 6.9/10 against 6.2/10 for SS&C Tier1. The largest gap is in Cost: 6/10 for Attio and 3/10 for SS&C Tier1.
Attio has a free plan; SS&C Tier1 does not list one.
Attio is the better fit for startups: we rate it 9/10 for them, against 1/10 for SS&C Tier1.





