Meet Donnerstag.ai at ReThink Accounting 2026 from 20. - 21. April

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Meet Donnerstag.ai at ReThink Accounting 2026 from 20. - 21. April

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Donnerstag.ai

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Donnerstag.ai

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Donnerstag.ai

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The Financial
Reconciliation Hub

Build, run and scale financial reconciliations across your core financial data and systems

Germany-hosted

GDPR compliant

Enterprise-grade security

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Reconciliation Hub

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9,000 positions added this month

Welcome to your financial reconciliation hub

Build and manage your reconciliations

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Active Reconciliations

2 flows

Services vs. Self-Billed Invoice

SBI Receivables

Logistics

Self-Billed Invoice vs. Bank

SBI Receivables

Logistics

Built to handle the compexity of enterprises like:

Reconcile your financial and operational data - with control

Reconcile your financial and operational data - with control

Donnerstag.ai connects your financial and operational data across different systems and automatically reconciles them using AI, making discrepancies instantly visible and fully traceable. This provides you with real-time transparency and control over your receivables and payables, helping you securing margins, eliminate manual work, and stay audit-ready at all times.

Donnerstag.ai connects your financial and operational data across different systems and automatically reconciles them using AI, making discrepancies instantly visible and fully traceable. This provides you with real-time transparency and control over your receivables and payables, helping you securing margins, eliminate manual work, and stay audit-ready at all times.

Services Records

Invoices

Contracts

Bank Data

RECONCILIATION HUB

Results

Discrepancies

Actions

Exports

Reconciliation across complex operating environments

Reconciliation across complex operating environments

Industry-specific reconciliation challenges require more than generic matching.

Industry-specific reconciliation challenges require more than generic matching.

Logistics

Logistics

Reconcile delivered services with contracted rates, including all relevant charges.

The Problem

Services are fragmented and rates change frequently, making invoices complex and manual validation slow and error-prone.

Logistics use cases

Logistics use cases

B2B Services

B2B Services

Align service delivery with contract scope and billing data to ensure accurate invoicing.

The Problem

Service delivery and billing often don’t align, making deviations hard to track and leading to disputes or revenue leakage.

B2B Services use cases

B2B Services use cases

Retail

Retail

Match operational data with invoices and payments across high transaction volumes.

The Problem

High transaction volumes and returns create mismatches between delivery, invoices, and payments, driving manual exception handling.

Retail use cases

Retail use cases

Clear outcomes from reconciliations

Clear outcomes from reconciliations

From position-level results to documented actions — all traceable and auditable.

From position-level results to documented actions — all traceable and auditable.

Results

Clear, position-level outcomes showing what is matched, open, or unresolved across records and systems.

Discrepancies

Identified deviations with a clear reason such as quantity, price, timing, or data inconsistencies, fully traceable and auditable.

Resolution & Actions

Review, accept, reject, or escalate discrepancies without changing original data decisions remain documented and traceable.

Audit Trail & Exports

Every reconciliation outcome is documented and can be exported or synced back to existing systems for audit purposes.

One single reconciliation layer across systems

One single reconciliation layer across systems

Stop manually stitching data together. Donnerstag connects to your existing systems and data sources without requiring structural changes or process redesigns. Data is connected as it is - structured or unstructured - and made available for reconciliation without forcing upfront normalization or fixed formats. Implementation takes days, not months, and runs alongside your current infrastructure.

Stop manually stitching data together. Donnerstag connects to your existing systems and data sources without requiring structural changes or process redesigns. Data is connected as it is - structured or unstructured - and made available for reconciliation without forcing upfront normalization or fixed formats. Implementation takes days, not months, and runs alongside your current infrastructure.

Validated ROI:
Automated reconciliation ready in 2 weeks

Validated ROI:
Automated reconciliation ready in 2 weeks

01

Analysis & Demo

Start with a tailored demo of the solution. We review your workflows and risks together, completely non-binding and requiring no IT resources from your team.

02

Proof of Value

We use your live data to quantify financial leakage, identify revenue recovery opportunities, and precisely project your net savings before signing a contract.

03

Data flow mapping

We map your specific data flows (ERP, WMS, EDI, PDFs) to establish a clear, automated, and secure process that integrates seamlessly with your existing compliance requirements.

04

Go live

You receive a validated, stable workflow with complete financial visibility and immediate transparency. We ensure a smooth rollout and comprehensive training for your finance team.

Book a demo

Book a demo

Proven results from real-world use

Proven results from real-world use

How Happe Sicherheitsdienst saved 225 hours of manuel workload per month

By automating reconciliation and approval workflows, Happe eliminated recurring errors, reduced manual checks, and significantly accelerated their month-end closing process.

0%

Discrepancies detected instantly

0%

Faster month-end closing

0h

Manual work eliminated per month

"With Donnerstag.ai, we finally have complete visibility across service records, selfbilled invoices, and payments. For the first time, we can spot every discrepancy immediately and focus on our operations instead of chasing missing data."

"With Donnerstag.ai, we finally have complete visibility across service records, selfbilled invoices, and payments. For the first time, we can spot every discrepancy immediately and focus on our operations instead of chasing missing data."

Markus Happe

Markus Happe

Owner and Managing Director

Owner and Managing Director

A product expert will guide you through Donnerstag.ai

A product expert will guide you through Donnerstag.ai

How quickly can we start using Donnerstag.ai and see results?

Integration is fast and smooth. We use ready connectors for your ERP/Accounting software, so Donnerstag.ai is ready in weeks. Start automating and get real-time insights immediately to accelerate all your financial processing.

Can I use Donnerstag.ai even if I already have an existing Accounting or ERP system?

Yes. Donnerstag.ai is designed to integrate seamlessly with your existing systems and accounting infrastructure. It focuses specifically on automating reconciliation, claim, and payment workflows to reduce manual effort and provide real-time insights, complementing the work of your team.

What kind of financial discrepancies can the platform automatically detect?

The 3-Way Reconciliation Module automatically reconciles service records, billing documents, and payments. This eliminates recurring errors, significantly reduces manual checks, and directly prevents revenue losses.

Can I track the progress of claims and payment workflows within the platform?

Yes, you can track all processes. The Claim Management and OPOS Management modules ensure full visibility over open, clarified, and paid items, turning claims into clear, trackable items.

Can I use Donnerstag.ai even if I already have an accountant or existing ERP system?

Yes. Donnerstag.ai is designed to integrate seamlessly with your existing systems and accounting infrastructure. It focuses specifically on automating credit note, claim, and payment workflows to reduce manual effort and provide real-time insights, complementing the work of your team.

What kind of financial discrepancies can the platform automatically detect?

The 3- Way Reconciliation module automatically detects discrepancies by reconciling invoices, credit notes, and payments. This automation helps eliminate recurring errors and significantly reduces manual checks.

Can I track the progress of claims and payment workflows within the platform?

Yes, you can track all processes. The Claim Management and OPOS Management modules ensure full visibility over open, clarified, and paid items, turning claims into clear, trackable items.

How quickly can we start using Donnerstag.ai and see results?

Donnerstag.ai is designed for fast integration. Once implemented, you can immediately begin automating workflows and receiving real-time insights to quickly accelerate your month-end closing process.