Purpose-built constituent CRM and messaging platform for elected officials. Send newsletters, manage casework, and text constituents — all in one place.
Summary from the company’s website.
Publicly advertised compliance posture
As observed on September 8, 2026 on the organization’s public trust center.
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SOC 2
Independent CPA audit of controls for security, availability, and confidentiality.
Compliance timeline
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September 8, 2026
Posture last observed by Trust Index
Subprocessors
Third parties Parthenon discloses on its trust center. Linked entries have their own profile in the Trust Index.
75% chain trust: 3 of 4 disclosed subprocessors are themselves in the Trust Index.
- Amazon Web Services Cloud provider
- Google Workspace Identity provider
- Sendgrid Transactional Email
- WorkOS Identity provider
About this data
The Trust Index reports only what organizations publicly advertise. A missing framework here means no public claim was observed as of September 8, 2026; it never means an organization is non-compliant. HIPAA entries reflect a public claim of compliance; no HIPAA certification exists. Corrections are welcome and verified against public evidence. Read the full methodology.
