Personio Acquires Spend Management Platform Circula to Unify HR and Payroll

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European Human Resources software platform Personio announced on October 6, 2026, that it has acquired Circula, a European spend management provider specializing in corporate expense tracking, corporate cards, accounts payable, and tax-optimized employee benefits. Following the transaction, the business will operate under the brand name Circula by Personio.

Consolidating Mid-Market Workforce Expenses

The acquisition formalizes a multi-year integration partnership between the two companies, which already serve a shared customer base across Europe. Personio currently provides HR software to 16,000 European companies, while Circula manages spend and benefit workflows for more than 3,000 mid-market businesses. By bringing spend management directly into Personio's core platform, the company aims to consolidate workforce management, expense reporting, and employee benefits into a single operational interface.

Navigating Cross-Border Tax Complexity

Managing employee expenses and payroll across European borders involves navigating varied country-specific regulatory and tax rules. Over its eight years of operation, Circula built spend management features aligned with localized tax frameworks. Under the unified structure, Circula's expense data will flow into payroll processing through both third-party payroll integrations and Personio's native payroll engine, connecting spend tracking with tax compliance.

Maintaining Accounting Integrations

Both platforms maintain established features designed to assist external tax advisors and financial service providers. This includes direct integrations with DATEV, a standard accounting system used by tax professionals to process accounting and payroll records. Personio confirmed that existing DATEV integrations, employee sync capabilities, and customer support structures will remain fully operational while the teams work toward building a consolidated tech stack over time.

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Source: Personio acquires Circula to bring payroll, expenses, and benefits under one roof

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