PRO Software vs Stratum PEO
PRO Software
prosoftware.comStratum PEO
stratumpeo.comSide by side
| Figure | PRO Software | Stratum PEO |
|---|---|---|
| Price from | — | $750/mo |
| Free plan | — | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 1 | 10 |
| Spec score · PEO Software | 6.9 (#6) | 7.6 (#3) |
| Integrations | The alliances page says its partnerships include integrations and single sign-on capabilities. | The platform lists BambooHR, Greenhouse, Lever, QuickBooks Online, Xero, Slack, Deputy, and Clockify as native connectors. |
| Security | The privacy policy says PRO maintains a security program with technical, administrative, electronic, physical, and organizational measures to protect customer data. | The site describes schema-per-tenant PostgreSQL isolation, AES-256/Fernet encryption for PII at rest, bcrypt password hashing, mandatory MFA for privileged roles, SAML 2.0 SSO, and append-only audit logging. |
Plans
Stratum PEO
- CPA channel — Starter$9,000 a year
- Staffing — Starter$11,000 a year
- CPA channel — Growth$12,000 a year
- Staffing — Growth$14,000 a year
- CPA channel — Established$15,000 a year
- Staffing — Established$18,000 a year
- ASO — Starter$19,000 a year
- ASO — Growth$23,000 a year
- PEO — Starter$25,000 a year
- ASO — Established$27,000 a year
In their own words
PRO Software
PRO Software is a web-based platform for PEO and ASO businesses, bringing payroll, benefits administration, time and attendance, performance management, and expense management into one system. It also lists applicant tracking and PTO calendars, alongside payroll and tax administration, compliance tools, and employee self-service. The company describes PROtelligence and PROmetheus as AI capabilities built into the application. Employees can access information on any device through its responsive design. PRO is cloud-based, and its partnerships include integrations and single sign-on; a named MasterTax connection covers multi-jurisdictional payroll tax scheduling, remittance, balancing, and filing. Implementation includes data loading and team training, with a conversion framework to organize, map, and validate information from external systems before production. The stated security program includes measures to protect customer data, encryption for personal information in transit, firewalls, intrusion detection, and authentication protocols. Pricing is provided by quote request; no price is listed.
Stratum PEO
Stratum PEO is an HR and payroll platform for PEOs, ASOs, domestic EORs, staffing agencies, and CPA firms administering payroll for clients. It runs fully on customers’ own infrastructure. Its architecture combines 16 FastAPI microservices behind an API gateway with Next.js frontends, and modules can be deployed independently. The in-house tax engine handles federal, state, and local withholding across all 50 states and D.C., with multi-state allocation and NACHA ACH export. HR workflows include onboarding checklists with LLM-assisted I-9 extraction and E-Verify, plus offboarding notices for 21 states. Case management, SLA tracking, escalation rules, AI-assisted triage, Twilio CTI call logging, and sales CRM are included. Native connectors include BambooHR, Greenhouse, Lever, QuickBooks Online, Xero, Slack, Deputy, and Clockify. Annual plans range from $9,000 annually for CPA channel Starter to $27,000 annually for ASO Established. Implementation and support are $150/hr.