Cloud Fax Software
Encrypted, auditable fax transmission delivered as a cloud service, for regulated industries that still exchange documents by fax.
What we cover, and what we don’t
We cover 3 products in Cloud Fax Software. We cover InterFAX, RingCentral Fax and SFax. Document capture and workflow products that used to sit under this heading now belong to document management, so what is left here is transmission. eFax, Concord, EtherFax, iFax and mFax are on our cloud fax exclusion list and are absent by policy rather than by oversight — G2's Online Fax roster leads with several of them. This is the hub where that exclusion list bites hardest relative to its market.
Products in this category
Every product we cover.
InterFAX
Cloud fax service with deep regulatory compliance and a developer-friendly API.
RingCentral Fax
UCaaS-platform cloud fax bundled with RingCentral's broader communications suite.
Sfax
Healthcare-focused cloud fax built for clinical workflow simplicity.
Category guide
What is Enterprise Cloud Faxing?
Enterprise cloud faxing explained: key capabilities, compliance requirements, top solutions, and what to evaluate before buying.
Read the full guideEverything we have published here
12 articles.
Reviews
InterFAX Review — Secure Enterprise Cloud Faxing
Our independent review of InterFAX cloud fax: features, pricing, security certifications, integrations, and how it compares to alternatives. Updated 2026.
RingCentral Fax Review — Cloud Fax for UCaaS Teams
An independent review of RingCentral Fax covering features, HIPAA compliance, pricing, integrations, and how it compares to dedicated cloud fax platforms in 2026.
Sfax Review — HIPAA-Focused Cloud Fax for Healthcare
An independent review of Sfax cloud fax: HIPAA compliance, clinical workflow design, pricing transparency, and how it compares to enterprise fax alternatives in 2026.
Comparisons
InterFAX vs RingCentral Fax: Which is Better in 2026?
Comparing InterFAX vs RingCentral Fax on security, features, pricing, and compliance to help you choose the right cloud fax service in 2026.
InterFAX vs Sfax: Enterprise Fax Comparison
InterFAX vs Sfax: an independent comparison of features, pricing, security, and use cases to help enterprise teams choose the right cloud fax platform.
Use cases
Enterprise Faxing for Financial Services: What to Know Before You Buy
Cloud fax for financial services requires strict compliance and auditability. Here's what to evaluate before choosing an enterprise faxing solution.
Enterprise Faxing for Government: FOIA, FedRAMP, and Records Retention Requirements
Government agencies still rely on fax for interagency records exchange and public records requests. See what FedRAMP, CJIS, and records-retention rules require, and which cloud fax platforms fit.
Enterprise Faxing for Healthcare: Requirements, Compliance, and the Right Solutions
Healthcare organizations need HIPAA-compliant cloud fax solutions. Compare top enterprise faxing platforms for clinical and administrative use cases.
Enterprise Faxing for Legal: What Law Firms and Legal Departments Need to Know
Cloud fax for legal teams requires more than uptime. Learn what compliance, security, and workflow features matter most for law firms and legal departments.
Enterprise Faxing for Manufacturing: EDI Backup, Quality Records, and Supplier Communication
Manufacturers still fax purchase orders, ASNs, and quality certifications to suppliers and customers running legacy EDI. See what ISO 9001 and AS9100 traceability require, and which cloud fax platforms fit.