# Attio vs HubSpot: who uses which

On usedby, 20 companies use Attio and 51 use HubSpot. No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-08: 66 of 71 public lines checked.

## Side by side

|  | [Attio](https://www.usedby.ai/tools/attio.md) | [HubSpot](https://www.usedby.ai/tools/hubspot.md) |
|---|---|---|
| Public customers | 20 | 51 |
| Confirmed | 8 | 21 |
| Observed | 12 | 23 |
| Signals (job posts) | 0 | 7 |
| Top industries of customers | DevTools & Infrastructure (2), Investment & VC (2), Artificial Intelligence (1) | Sports & Fitness (4), DevTools & Infrastructure (3), HR & Recruiting (3) |
| Category | Sales Prospecting & Enrichment | Sales Prospecting & Enrichment |
| Security | ISO 27001 ([trust.attio.com](https://trust.attio.com/), checked 2026-10-04) | SOC 2 Type II ([legal.hubspot.com](https://legal.hubspot.com/security), checked 2026-10-04) |
| Data processing terms | A data processing agreement is available. ([attio.com](https://attio.com/legal/privacy), checked 2026-10-04) | A data processing agreement is available. ([legal.hubspot.com](https://legal.hubspot.com/privacy-policy), checked 2026-10-04) |
| Integrations | Typeform, Zapier, Slack, Aircall, Mailchimp, ChatGPT, Claude, Segment, Gmail, Outlook, Stripe, Zoom ([attio.com](https://attio.com/apps), checked 2026-10-04) | Gmail, Google Calendar, Outlook, Outlook Calendar, Zapier, WordPress, Claude, Calendly, Microsoft SharePoint & OneDrive, Gemini, TikTok Ads, Snapchat Ads ([ecosystem.hubspot.com](https://ecosystem.hubspot.com/marketplace/apps), checked 2026-10-04) |
| Free trial | — | Free trial or free plan available. ([hubspot.com](https://www.hubspot.com/products/sales?wfuid=3655ee4ac1.1791100123&wfsid=1791100123-8075-b8d9-464480973ce2), checked 2026-10-04) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Attio: [Passionfroot](https://www.usedby.ai/case-studies/passionfroot-attio.md): **25%**: “generating an extra 25% in GMV per month, thanks to Attio” (captured by usedby 2026-10-02)
- Attio: [Taskrabbit](https://www.usedby.ai/case-studies/taskrabbit-attio.md): **90%**: “90% team adoption overnight, up from sub 50%” (captured by usedby 2026-10-02)
- HubSpot: [Casio](https://www.usedby.ai/case-studies/casio-hubspot.md): **27%**: “In the past financial year, Casio achieved a 54% increase in web visits, 71% increase in new contacts and 27% increase in customers.” (captured by usedby 2026-10-05)
- HubSpot: [GoFundMe](https://www.usedby.ai/case-studies/gofundme-hubspot.md): **180%**: “the VIP Experience team has increased GoFundMe’s repeat and referral business by 180% in just nine months” (captured by usedby 2026-10-05)

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Source: https://www.usedby.ai/compare/attio-vs-hubspot · How we check: https://www.usedby.ai/methodology