# Sema4.ai

Sema4.ai declares [1 subprocessor](https://thirdpartyindex.com/vendors/sema4-ai#subprocessors) in [its subprocessor list](https://trust.sema4.ai/subprocessors), which we last checked on 2026-11-12 ([evidence](https://thirdpartyindex.com/evidence/223555)). It is [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services). No published changes since we first read it on 2026-11-06.

Sema4.ai (sema4.ai): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/sema4-ai
- Documents last verified: 2026-11-12
- Transparency rating: 84/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 0/5 (not found); Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 1 tracked vendors directly, 5 within two hops, 20 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: Sema4.ai, Third Party Index, https://thirdpartyindex.com/vendors/sema4-ai (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.sema4.ai/ | 2026-11-12 | 2026-11-12 |
| Subprocessor list | https://trust.sema4.ai/subprocessors | 2026-11-12 | 2026-11-06 |
| Data processing addendum | https://cdn.sema4.ai/legal/Sema4ai-DPA-20250527.pdf | 2026-11-12 | 2026-11-06 |
| Privacy policy | https://sema4.ai/privacy-policy/ | 2026-11-12 | 2026-11-06 |
| Terms | https://sema4.ai/terms-and-conditions/ | 2026-11-12 | 2026-11-06 |
| Status page | https://status.sema4.ai/ | 2026-11-12 | 2026-11-12 |

## Subprocessors (1)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Sema4.ai SaaS services are hosted on AWS. | Cloud infrastructure | 2026-11-06 |

Read from ([evidence](https://thirdpartyindex.com/evidence/223555)). CSV: https://thirdpartyindex.com/vendors/sema4-ai/subprocessors.csv

## Compliance

As its trust center lists them.

- Audited: SOC 2, ISO/IEC 27001 ([evidence](https://thirdpartyindex.com/evidence/223556))
- Claimed: SOC 2 Type II, HIPAA, GDPR ([evidence](https://thirdpartyindex.com/evidence/223556))

## Web Technologies

Sema4.ai's homepage made 78 requests to 5 domains, and 3 services controlled by another company. Loaded on 2026-11-06 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

3 third parties by category: Advertising 1 (usually detected as Advertising: Google Cloud); Analytics 1 (usually detected as Analytics: Cloudflare); CDN 1 (usually detected as CDN: jsDelivr). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these.

### Third parties (3)

- Cloudflare: 2 requests to cloudflare.com
- Google Cloud: 2 requests to fonts.googleapis.com, gstatic.com
- jsDelivr: 1 request to jsdelivr.net

### First party (1)

- Sema4.ai: 73 requests to sema4.ai; Bootstrap 5.0.2, Cloudflare, Google Font API, Google Tag Manager, HSTS, MySQL, OWL Carousel, Open Graph, PHP, PWA, Priority Hints, WP Engine, WP Rocket 3.24, WordPress, Yoast SEO 28.8, cdnjs, jQuery, jsDelivr

3 tracked companies loaded by the homepage are not in Sema4.ai's subprocessor list. A website can use a service without it processing customer data.

## Subprocessor of (0)

No tracked vendor lists it.

## Service status

Incidents it reported on its own status page.

- Last 90 days: 2 reported incidents (0 major or critical, 1 minor, 1 with no impact stated)
- Typical time to resolve: 5 h 11 min
- Status page last read: 2026-11-12
- 2026-11-04: Software upgrades impacting SSO customer logins (no impact stated)
- 2026-09-25: Gitlab integration failures (minor)
- 2026-07-25: Maintenance day (minor)
- 2025-11-18: Website and documentation impacted by Cloudflare issues (critical)

The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/sema4-ai

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Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api