ButterCMS Subprocessors List (October 2026): Changes and History

ButterCMS names 4 subprocessors on its published list. Read from the vendor's own page and re-checked daily.

Last checked October 4, 2026 Official source ↗

ButterCMS subprocessors (October 2026)

# Subprocessor Purpose Location
1 Storage Encryption All database storage volumes are encrypted —
2 Key Management Encryption keys managed by AWS KMS —
3 Automatic Rotation Keys are rotated according to security policies —
4 Access Controls Encryption keys accessible only to authorized services —

Get an email when ButterCMS changes its subprocessors

ClauseTrail re-checks this list every day and tells you exactly who was added or removed — including when a vendor starts sending data to an AI provider. The first vendors are free.

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Certifications at ButterCMS

What ButterCMS's trust page lists, with the text each one comes from. SOC 2 Type I or Type II: what's the difference?

SOC 2 Type II

Active

“SOC 1 and SOC 2/SSAE 16/ISAE 3402 (Previously SAS 70 Type II)”
Trust page, buttercms.com ↗
ISO 27001

Active

“ISO 27001 compliant data centers”
Trust page, buttercms.com ↗

Documents we track for ButterCMS

Privacy policy
checked October 4, 2026 buttercms.com ↗
Subprocessor list
checked October 4, 2026 buttercms.com ↗
Terms of service
checked October 4, 2026 buttercms.com ↗
Trust page
checked October 4, 2026 buttercms.com ↗

Change history

Tracking since October 4, 2026. No change has been published since; additions, removals and document changes will appear here as they're published.

ButterCMS subprocessors FAQ

How many subprocessors does ButterCMS use?
ButterCMS lists 4 subprocessors on its published list, including Storage Encryption, Key Management, Automatic Rotation, and Access Controls.
Does ButterCMS have a SOC 2 Type II report?
Yes. ButterCMS's trust page lists a SOC 2 Type II report: “SOC 1 and SOC 2/SSAE 16/ISAE 3402 (Previously SAS 70 Type II)”
Which security certifications does ButterCMS list?
ButterCMS's trust page lists SOC 2 Type II and ISO 27001.
When was ButterCMS's subprocessor list last checked?
ClauseTrail last checked ButterCMS's subprocessor list on October 4, 2026. Lists are re-checked daily.
How do I find out when ButterCMS adds or removes a subprocessor?
ClauseTrail monitors ButterCMS's subprocessor list, DPA, privacy policy and terms and emails you the exact change — who was added or removed and what the page said before and after. The first vendors are free.