Unleashing decentralised organisations.

Connects the group, structures the platforms and compounds with every acquisition.

Empower decision making and get answers in seconds, not days.

Connect Fortnox or Björn Lundén and see your group consolidated in ~60 seconds. No demo call, no credit card.

Connects to the systems your subsidiaries already run
Fortnox Björn Lundén Visma e-conomic Visma eAccounting Procountor Dynamics 365 BC Xero QuickBooks Sage Sage 50 (on-prem) Caspeco POS WooCommerce Personalkollen Nordea SEB Swedbank Handelsbanken Danske Bank Klarna Visma Administration Pyramid
Bring your own AI

Drive your group from Claude or ChatGPT.

Compounder speaks MCP, the open protocol for AI tools. Add the Compounder app to the assistant you already use — work seamlessly with the AI of your choice and get accurate, deterministic results every time.

  • Serve your agents and team deterministic, audited numbers — the same consolidated truth every time, never a hallucinated figure
  • The reliable analytics layer under your AI strategy — P&L, balance sheet, cash flow and entity hierarchy as ready-to-use tools
  • Answers in seconds, not data pulls — your people ship decisions instead of stitching spreadsheets
Connect your AI →
Claude
ConnectedCompounder
How did the group do in Q2 — anything I should worry about?
Compounder · get_business_summary()
Solid quarter — group revenue €33.1M (+18% YoY), EBITDA margin 12.8%. One flag: Compounder Retail AB's margin slipped 3.1pts on staff costs. Cash is healthy at €12.4M.
Reply to Claude…
ChatGPT
AppsCompounder
What's our consolidated cash position across all entities?
Compounder · get_balance_sheet()
Consolidated cash is €12.4M across 7 entities, up €1.9M vs last quarter. Compounder Finland Oy holds 41%; the UK entities are lightest at €0.8M combined.
Message ChatGPT…
The product

Every statement, every entity — consolidated.

P&L, balance sheet, cash flow and working capital across all subsidiaries — intercompany eliminated, drillable to any entity and any period.

The platform

From real-time data to AI-native intelligence.

Real-time connections

Connect the accounting, POS, banking and ERP systems your subsidiaries already run — full history in, kept current automatically.

  • 20+ connectors — Fortnox, Björn Lundén, Visma, Xero, Caspeco, banks…
  • Incremental sync with drift detection & auto-reload
  • Cloud APIs + on-prem agent (Sage 50, Pyramid, Visma Admin)
  • Full history imported, not just today

Integrated reporting & intelligence

One consolidated truth — statements, planning and live operations in the same place, with AI that explains every move.

  • Cross-entity consolidation with intercompany elimination
  • Cross-entity planning & budgeting
  • Live operational view — sales, labor, pace
  • Anomaly detection & board-grade PDF / Excel export

AI-native

Built for the AI era — Compounder serves your agents and team deterministic, audited numbers and drives your AI strategy over open MCP.

  • Bring your own AI — Claude or ChatGPT over MCP
  • Deterministic, audited analytics agents can trust
  • Pre-computed narrative context — zero hallucinated figures
  • Accounting Agent — automated bookkeeping
Integrations

Cloud APIs and on-prem systems alike

From Nordic cloud accounting to desktop ERPs behind the firewall — our on-prem agent bridges Sage 50, Pyramid and Visma Administration with no inbound access required.

Fortnox Björn Lundén Visma e-conomic Visma eAccounting Procountor Dynamics 365 BC Xero QuickBooks Sage Sage 50 (on-prem) Caspeco POS WooCommerce Personalkollen Nordea SEB Swedbank Handelsbanken Danske Bank Klarna Visma Administration Pyramid
Security & compliance

Enterprise-grade trust, from day one

GDPR compliant
EU data protection
EU-hosted
Your data stays in the EU
Never train AI on your data
Your data is yours
No lock-in
Query it from your own Claude
Ready?

Start compounding.

Connect your first accounting system and see your group consolidated today. No demo call, no implementation project.