The Sovereign Business Operating System for Global Enterprise.
Replace fragmented ERPs, CRMs, and separate accounting plugins with a single, ledger-backed kernel. Fully native compliance for e-invoicing, tax authorities, and audit readiness.
Automated 12,000+ US sales tax jurisdictions, ASC 606 revenue recognition, and SOC 2 compliance.
Zero setup fees • Instant region activation • SOC 2 Type II Certified
Five Operating Systems. One Core Ledger.
Traditional suites glue separate apps with fragile APIs. Fiolnir operates as a single kernel where every quote, invoice, employee, and inventory item mutates a single immutable ledger in real time.
Double-entry general ledger with automatic bank reconciliation, multi-currency balance sheets, and real-time P&L reporting.
Jurisdiction-Native Compliance Built In.
No external middleware required. Fiolnir bakes tax authority requirements directly into invoice issuance and ledger posting.
United States Compliance Infrastructure
Automated Multi-State Sales Tax & 1099 Filing
Native Tax & Invoice Engine Features
Fiolnir Business OS vs. Standard Software Suites
See why enterprises replace legacy modular suites with Fiolnir.
| Operational Capability | Fiolnir Business OSRecommended | Traditional Modular Apps (Zoho, Odoo, Sage) |
|---|---|---|
| Core Architecture | Unified Single Ledger Kernel | Fragmented Apps connected via REST APIs |
| E-Invoicing Compliance | Native (Chorus Pro, ZUGFeRD, Peppol, MTD, GST) | Third-party paid plugin connectors |
| Real-time Reconciliation | Instant sub-second ledger updates | Batch syncs or nightly cron jobs |
| Data Density & Speed | Sub-15ms ledger query responses | Sluggish multi-database joins |
| Audit Trail | Cryptographically hashed immutable ledger | Basic table edit logs |
| Pricing Transparency | Flat tier pricing per region | Per-user per-module exponential fees |
Transparent Pricing for Every Region
Choose the plan tailored for your operational scale. All plans include full multi-currency and regional tax compliance.
Starter Ledger
Ideal for growing businesses needing compliant invoicing and core bookkeeping.
- Up to 5 User Seats
- Full Regional E-Invoicing Engine
- Fiolnir Finance & Sales CRM
- Single Entity Ledger
- Bank Feed Automation (2 accounts)
- Standard Email Support
Business OS Pro
Complete operating system for established enterprises requiring full supply chain & HR.
- Up to 25 User Seats
- All 5 BOS Modules (Finance, CRM, Ops, HR, Compliance)
- Multi-Warehouse & Batch Tracking
- Automated Statutory Payroll
- Unlimited E-Invoice Tax Submissions
- Direct Peppol / Tax Authority APIs
- Priority 24/7 Support
Sovereign Enterprise
Custom multi-entity setup with dedicated ledger infrastructure and SLA guarantees.
- Unlimited User Seats
- Multi-Entity Intercompany Consolidation
- Dedicated Private Cloud / On-Prem Option
- Custom ERP Data Migration Concierge
- Custom Regional Tax & SAP/Oracle Adapters
- 99.99% Uptime Service Level Agreement
- Dedicated Account Strategist
Interactive Enterprise Add-On Estimator
Tailor seat counts and regional warehouse nodes for your United States operations.
Frequently Asked Questions
Yes. Fiolnir has native regional modules built for France (Chorus Pro/Factur-X), Germany (ZUGFeRD/GoBD), EU (Peppol), UK (MTD), India (NIC IRP), UAE (FTA), and Singapore (InvoiceNow).
Trusted by Financial & Compliance Leaders
"Replacing 4 separate ERP plugins with Fiolnir eliminated our Factur-X submission delays. Our tax audit pass score went straight to 100%."
"GoBD compliance and ZUGFeRD 2.2 export work natively out of the box. DATEV sync takes under 3 seconds per month."
"Operating across 14 multi-currency entities with Fiolnir's central ledger gave us complete real-time consolidation visibility."