HMRC Making Tax Digital•MTD for VAT & Corporation Tax Direct Submission
Core Ledger Kernel

Fiolnir Finance & Core Ledger

The unshakeable financial backbone for your business operations.

Certified for United Kingdom • Native HMRC Making Tax Digital (20%)
Standalone App Subscription Available
£16 / month (GBP)
Subscribe Standalone AppDeploy Full OS Suite
Fiolnir Finance & Core Ledger Engine
ONLINE
< 12msLatencySub-second general ledger query speed
98.4%Reconciliation RateAutomated bank feed match precision
Native FEC / GoBDComplianceBuilt-in audit file generator
MODULE LOGSTREAMUNITED KINGDOM NODE
12:04:12POST_GENERAL_LEDGERUSD 14,250.00
12:04:08AUTO_RECONCILE_BANKMATCHED (0.1ms)
12:03:55CALCULATE_FX_CONVERSIONEUR/USD 1.084
MODULE CAPABILITIES

Deep Architectural Features

Fiolnir Finance & Core Ledger operates directly on Fiolnir single-ledger core kernel, eliminating data sync delays and third-party connector fees.

Double-Entry General Ledger

Real-time debits and credits posting with sub-second mutation speed.

Automated Bank Reconciliation

98.4% match rate via Open Banking API & statement ingestion.

Multi-Currency Balance Sheets

Automatic hourly central bank FX rates and dual reporting currencies.

Tax Audit File Generation

Native export for FEC (France), DATEV (Germany), and SAF-T formats.

Real-time P&L & Cash Flow

Instant financial metrics updated on every invoice mutation.

Fixed Asset Management

Automated depreciation schedules and asset register tracking.

Intercompany Consolidation

Eliminate multi-entity transactions with automated elimination entries.

Immutable Audit Trail

Cryptographically hashed transactions for 100% audit readiness.

FLEXIBLE DEPLOYMENT

Subscribe Your Way

Get started with standalone Fiolnir Finance & Core Ledger at £16/mo for United Kingdom, or deploy the full Business OS suite with all 5 platforms included.

REGIONAL PRICING: United Kingdom (GBP)

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.

£33/ month (billed annually)
Includes HMRC Making Tax Digital
  • 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
Start Free Trial
Most Popular for United Kingdom

Business OS Pro

Complete operating system for established enterprises requiring full supply chain & HR.

£84/ month (billed annually)
Includes HMRC Making Tax Digital
  • 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
Deploy Pro BOS

Sovereign Enterprise

Custom multi-entity setup with dedicated ledger infrastructure and SLA guarantees.

£203/ month (billed annually)
Includes HMRC Making Tax Digital
  • 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
Contact Enterprise Team

Interactive Enterprise Add-On Estimator

Tailor seat counts and regional warehouse nodes for your United Kingdom operations.

Estimated Add-On:£140 /mo
Active User Seats: 10 Users
Warehouse / Regional Nodes: 1 Warehouses
Deploy Custom Enterprise Config

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).