# Clay vs Warmly: who uses which

On usedby, 48 companies use Clay and 30 use Warmly. 1 company uses both, including Pendo. 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: 77 of 78 public lines checked.

## Side by side

|  | [Clay](https://www.usedby.ai/tools/clay.md) | [Warmly](https://www.usedby.ai/tools/warmly.md) |
|---|---|---|
| Public customers | 48 | 30 |
| Confirmed | 31 | 20 |
| Observed | 17 | 10 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Artificial Intelligence (7), Marketing Tech (7), DevTools & Infrastructure (5) | Artificial Intelligence (1), EdTech & E-learning (1), Marketing Tech (1) |
| Category | Sales Prospecting & Enrichment | Sales Prospecting & Enrichment |
| Security | SOC 2 Type II, ISO 27001, ISO 42001 ([trust.clay.com](https://trust.clay.com/), checked 2026-10-04) | — |
| Data processing terms | A data processing agreement is available. ([trust.clay.com](https://trust.clay.com/), checked 2026-10-04) | — |
| Free trial | Free trial or free plan available. ([clay.com](https://www.clay.com/pricing), checked 2026-10-04) | — |
| Integrations | Salesforce, Salesloft, Outreach, Snowflake, HubSpot, Dynamics 365 CRM, Gong, Google BigQuery, Typeform, Smartlead.ai, Instantly, Semrush ([clay.com](https://www.clay.com/integrations), checked 2026-10-04) | HubSpot, Salesforce, Slack, Microsoft Teams, Marketo, Zoho, Pipedrive, Outreach, SalesLoft, Apollo, 6sense, Demandbase ([warmly.ai](https://www.warmly.ai/p/product/intent-signals/integration), checked 2026-10-08) |
| Pricing | Free: Free; Launch: $167 mo; Growth: $446 mo; Enterprise: contact sales ([clay.com](https://www.clay.com/pricing), checked 2026-10-04) | AI Web-Deanonymization: from $10,000 / year; Inbound Chat: from $20,000 / year; AI Inbound Autopilot: from $30,000 / year ([warmly.ai](https://www.warmly.ai/p/pricing), checked 2026-10-08) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Pendo](https://www.usedby.ai/companies/pendo.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Clay: [Pump](https://www.usedby.ai/case-studies/pump-clay.md): **6x faster**: “new reps were revenue-generating 6x faster than before Clay” (captured by usedby 2026-10-05)
- Clay: [Merge](https://www.usedby.ai/case-studies/merge-clay.md): **15%**: “a 15% increase in enterprise meetings booked” (captured by usedby 2026-10-05)
- Warmly: [ScaleU](https://www.usedby.ai/case-studies/scaleu-warmly.md): **30 seconds**: “installed it on his Webflow site in about 30 seconds” (captured by usedby 2026-10-08)
- Warmly: [Behavioral Signals](https://www.usedby.ai/case-studies/behavioral-signals-warmly.md): **$40K**: “A $40K deal closed in just 7 days” (captured by usedby 2026-10-08)

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