Founded by a CPA/auditor (Wirtschaftsprüfer/Steuerberater) with 14 years as CFO in companies generating €100M+ in revenue.
Calvoran builds software that solves problems the founder has lived with firsthand — in audit rooms, boardrooms, and tax advisory practices across Germany and Europe.
The focus: eliminating manual workflows in financial reporting, tax compliance, and operational controlling through purpose-built SaaS applications.
Johannes Wilhelm BreuersSaaS Products
Calvoran develops cloud-based applications for financial professionals. Current focus: automated management reporting analysis and KPI dashboards for German tax advisory firms. Built on modern infrastructure (Next.js, Supabase, Vercel) for reliability and scale.
Process Automation
End-to-end automation of repetitive workflows in tax advisory and auditing: document intake, correspondence management, compliance checks, and financial reporting. Designed around the DATEV ecosystem and German regulatory requirements.
Strategic Consulting
Advisory services for mid-market companies seeking to modernize their finance and accounting operations. Rooted in hands-on CFO experience, not theoretical frameworks.