Rockerbox FiveFour

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Freedom report

One barScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Rockerbox FiveFour is ranked #8 of 29 in payroll tax software on Freedom251. It runs on Web.

Compared on payroll tax software

States covered: 50 states

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The record

Purpose: Rockerbox FiveFour automates state payroll tax account management, including registrations, Power of Attorney filings, and compliance monitoring.
Coverage: FiveFour covers 54 U.S. jurisdictions: the 50 states, D.C., Puerto Rico, the U.S. Virgin Islands, and Guam.
Tax accounts: It handles state unemployment insurance, state withholding, paid family leave, state disability insurance, and some local tax accounts.
Registration workflow: The system prepares and submits registrations using the company details the customer provides.
Digital authorization: FiveFour generates state-specific Power of Attorney forms, pre-fills company data, and supports electronic signing.
Payroll integrations: The page names Gusto, ADP, Paylocity, QuickBooks Payroll, and Rippling as payroll integrations.
Credential sync: After state tax IDs are issued, FiveFour sends the credentials to the connected payroll system.
Tracking and records: A dashboard shows registration and approval stages, active accounts, confirmation numbers, account IDs, and documents.
Alerts: Rockerbox says the service provides automated alerts and compliance monitoring to help customers stay ahead of deadlines.
Security claims: Rockerbox describes the system as secure and cloud-based and says it stores account records and signed POAs in the dashboard.
Intended customers: FiveFour is presented for employers expanding into new states and hiring employees across the country.
Coverage fees: Rockerbox says its jurisdiction coverage has no add-on fees or external portals.
Support: Rockerbox lists weekday office hours of Monday through Friday, 8 a.m. to 5 p.m., and provides a phone number and contact form.
Company background: Rockerbox says its founders built the company to make tax credit programs more accessible to small and midsized employers.

Where it ranks on Freedom251

Best Payroll Tax Software in 2026#8 of 29

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Sources

rockerbox.tech/payroll-tax-account-management/· checked 4 Oct 2026
rockerbox.tech/contact/· checked 4 Oct 2026
rockerbox.tech/about/· checked 4 Oct 2026