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UnclaimedRANK #03 · IT / SECURITY SERVICES

Paubox

HIPAA-compliant email encryption and API services for healthcare organizations.

HQ
San Francisco, CA
FOUNDED
2015
TEAM SIZE
11-50 employees
HighlightsEngagementCase studiesReviewsVerificationContact
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§01 · Overview

About Paubox.

Paubox sends encrypted emails without requiring recipient portals and also offers email marketing, inbound email filtering, and a HIPAA-compliant email API. Behavioral health organizations use it to stay compliant while keeping family communications frictionless.

What they do
HIPAA-
HIPAA Compliance
Compliance / Audit Consultants
CYBERS
Cybersecurity
IT / Security Services
EMAIL-
Email Security
IT / Security Services
HIPAA-
HIPAA Security
IT / Security Services
PARENT
Parent Communication
Parent Engagement / Comms
SMS-EM
SMS / Email Communication
Parent Engagement / Comms
SECURE
Secure Messaging
Parent Engagement / Comms
§02 · Approach

How Paubox works.

Paubox is a HIPAA-compliant email security platform founded in 2015 and headquartered in San Francisco. The company provides encrypted email solutions, inbound email security, threat protection, and data loss prevention services designed specifically for regulated industries including healthcare, insurance, and education.

The platform enables healthcare organizations to send encrypted emails without requiring recipients to use portal logins, reducing friction in patient communications while maintaining compliance with HIPAA and other regulatory standards. Paubox also offers email marketing, archiving for compliance, and transactional email services through a HIPAA-compliant API.

Paubox has achieved significant industry recognition, including being named Best Email Encryption Software by G2 in 2026 and appearing on the Inc. 5000 list multiple times, including No. 4035 in 2024. The company is revenue-positive with approximately $10M in annual revenue and operates with a lean team of around 43 employees.

Founded by Hoala Greevy, who brings 21 years of experience in the email industry, Paubox serves organizations that need to balance seamless communication workflows with strict regulatory compliance requirements. The platform is trusted by healthcare providers, behavioral health organizations, insurance companies, and educational institutions.

§06 · Reviews

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§07 · Around the web

6 Google reviews · 3.7 avg.

Aggregate rating and the most recent reviews from Google Maps. Reviews are written by the public and are not verified by Paubox or this directory.

  • Marilee Feldman
    6 months ago

    I've been using Paubox for years. Recently my business had an email problem, and Paubox helped us identify where the problem was...and it was not Paubox related whatsoever. Tech support from a major other company we use for email was no help and actually created a lot of hassle, angst, and confusion. A wonderful guy named Scott from Paubox got on zoom with us a number of times to help...he figured out the source of the issue, even though the problem was not with their product. I am really impressed with this guy, with Paubox, and with their willingness to spend hours helping us with an issue unrelated to their product! This kind of customer service is rare. When you're dealing with a complex tech issue that you can't understand and that is impacting your business, this kind of support is exactly what you need! I can't rate this company more highly!

  • Daniel Barrera
    last year

    I've been using Paubox for approx 10 years. In the past 2 years, it has really fallen off. They make backend changes which break functionality, and hope you don't bother them about it. I have multiple clients that I can't even check Quarantine for the past month and a half, and no ETA in sight. No updates, they just hope you deal with it

  • TJ Sanner
    3 years ago

    Great while you're paying them. Once you cancel they ghost you and your emails are down and held hostage. Ive left 2 VM and zero calls back. Customer support is non-exsistant unless you're actively paying them. Disappointed to see them treat us like this after 6yrs of being a loyal customer and dozens of referrals sent to them.

  • Lena Suarez-Angelino
    3 years ago

    i just got off the phone with Rob from customer tech support for paubox (it's an encryption service I use for my practice to meet HIPAA compliance) and oh my goodness! we were able to share a few brief "human moments" bonding over our children with special needs, and young children in general. i didn't have to disclose that he has special needs, but i chose to. i am not ashamed for our child having special needs. i am proud to be a special mom, to such a special kid. in just those few moments we were able to laugh, empathize, and understand. a reminder in this very special world, we are not alone, and together, we're bringing back the village. thank you to Rob from Paubox Tech support for being a part of our village and for fixing my email (finally!)

  • Paige Danner
    10 years ago

    Paubox is the most encrypted/HIPAA compliant email solution we have been able to find. It is user-friendly and the Support team is always available to answer our questions. Our company highly recommends Paubox for anyone looking for secure email solutions.

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§07 · Verification

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Verified Client Reviews
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Overall Review Rating
Last Updated
Apr 22, 2026
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Website on file
https://www.paubox.com
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§08 · Contact

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§FAQ.01

Where is Paubox located?

Paubox is headquartered in San Francisco, CA.