Verified 24 Sep 2026 · 26 vendors · every fact sourced

Which communication tools will actually sign a BAA?

Email, fax, texting and video vendors compared on the facts that decide HIPAA use: whether they sign a Business Associate Agreement, the cheapest plan that includes one, and what it costs.

Compare by channel

9 vendors

Email

Encrypted email services that sign a Business Associate Agreement (BAA).

9 vendors

Fax

Online fax services that sign a BAA, compared by the cheapest plan that includes one.

7 vendors

Texting

Patient and team messaging platforms that sign a BAA.

7 vendors

Video

Video and telehealth platforms that sign a BAA.

Fax by practice type

Therapists

Low-volume fax with a BAA and no sales call.

Dental offices

Several staff, one number, labs and insurers.

Physical therapy

Inbound referrals and plans of care from physicians.

Is my everyday tool HIPAA compliant?

Gmail (free)NoGoogle Workspace GmailYes, with a BAAOutlook.comNoMicrosoft 365 Outlook (Exchange Online)Yes, with a BAAWhatsAppNoiMessageNoSignalNoZoom (standard)Only on some plansFaceTimeNoGoogle VoiceOnly on some plansDropboxOnly on some plansSlackOnly on some plans

Why this site exists

Search "best HIPAA-compliant fax service" and nearly every result is written by a fax company ranking itself first. We sell nothing. We list the BAA terms as the vendor states them, link the source, and date every check. Read how we verify.