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Finance · Comptabilité · Contrôle de gestion
§ Friction

Points
de friction

  1. Dispersed data, manual reconciliation

    Multiple ERPs, banks, payment platforms, Excel everywhere. Teams spend their days copying, comparing, identifying gaps. Monthly close stretches to 8-10 working days when it should take 3.

  2. Slow reporting, deferred decisions

    The board asks for a weekly update. Producing the report takes two and a half days. When the numbers arrive, they're already stale. Steering happens blind, or on indicators 15 days behind.

  3. Manual commentary, compressed analysis

    Writing variance memos, management notes, audit comments takes as long as the analysis itself. The controller becomes a copywriter, and value-added analysis comes last — if there's time.

§ Workflows

Ce qu'on
automatise

№
Workflow
Modèle
Gain
Comment
§ Preuve macro

Preuve macro

−72% monthly close time
−85% bank reconciliation time
3j→4h board reporting production
4,1× ROI measured at 12 months
Cas client · Finance

60 consolidated entities, 4 different ERPs, reconciliation processes inherited from 15 years of acquisitions. Waimia deployed a bank reconciliation agent connected to all 4 ERPs via MCP, plus a variance memo generator. Monthly close went from 9 days to 3 days. The CFO recovered a week of strategic analysis per month.

Voir le cas complet →
Résultats
9→3j
monthly close
duration
−85%
reconciliation
entries
4,2×
ROI measured
at 9 months
§ Stack outils

Outils
déployés

Stack typique · Finance & Comptabilité
Catégorie Outil Rôle
Modèle raisonnement Claude Sonnet 4.6 Variance memos, board notes, audit preparation. Nuanced financial reasoning over long context.
Modèle volume Claude Haiku 4.5 Bank reconciliations, entry classification, high-volume low-cost processing.
Productivité poste Claude for Excel Formulas, financial models, pivot tables by voice — directly in Excel.
Connecteurs ERP MCP · SAP · Sage · Cegid MCP layer to finance-market ERPs. Secure reads, audited writes, full traceability.
Orchestration LangGraph State graphs for long workflows. Failure recovery, integrated human validation.
Observabilité LangSmith Agent decision traceability, replay of disputed cases, CAC-compliant audit trail.

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