CFCDFlow AIAccount hub
Made in LuxembourgDeveloped and operated in Luxembourg.CDFlow AI is built, offered and managed by Digital Transformation Luxembourg Sàrl-s, with local product management, support and accountability.
AI-assisted accounting and eCDF filing for Luxembourg

Keep your accounts in order. Prepare and file with confidence.

Add the records you already have—bank statements, invoices, receipts, payroll files and accounting exports. Your chosen AI organises the work, while CDFlow AI checks the figures, supporting evidence and approvals. When everything is ready, CDFlow AI generates the approved XML for an authorised user to upload manually in eCDF after LuxTrust authentication. For annual accounts, CDFlow AI also prepares the reviewed PDF/A publication attachment and an editable Word copy for the separate LBR filing step. CDFlow AI also prepares annual business tax declarations from your reviewed accounts and outputs compliant FAIA audit files in the AED's FAIA 2.01 XML format.

✓ Built for Luxembourg✓ You approve every filing✓ Workspace hosted in the EU
Monthly accountingIllustrative example
August accounts

2 items need your review

Bank and accounting recordsMatched100%
Receipts to clarifyAdd a document or answer a question2
Next VAT returnReady after your reviewReady
Source documents, decisions and approvals stay connected.
Official eCDF interface validation

CDFlow AI is approved by CTIE eCDF to produce XML packages for eCDF filings.

The validated CCDL6 interface generates eCDF-compatible XML packages. Submission remains a manual step in the organisation's own eCDF account after professional LuxTrust authentication.

Read the eCDF setup and submission guide →
Two ways to use CDFlow AI

Keep the books here, or bring finished accounts for filing.

Choose the route that matches where your accounting is done. Both routes provide controlled validation, review, approval and an immutable XML package for manual transfer through the organisation's eCDF account.

02
Filing only

Keep accounting elsewhere and use CDFlow AI for the filing

Complete the bookkeeping in your existing accounting software or with your accountant, then provide the final ledger, trial balance, VAT report and supporting evidence. CDFlow AI validates the package, identifies filing-specific issues and guides the filing through review, approval and submission or download.

Use one Filing Pass for one VAT return or annual-accounts filing. No ongoing accounting workspace is included.Prepare one filing →
Autopilot

Choose the result. Autopilot carries the work through.

Select an accounting or filing outcome, confirm the period and add any new evidence. Autopilot inventories the organisation's existing records, chooses the configured AI model and reasoning level, and completes every supported step through a reviewed accounting package, filing draft or exact safe-stop instruction.

Start with Autopilot →
01Monthly accounting

Classifies and posts the period, reconciles controls and creates a source-linked reviewed workbook.

02Accounting updates

Processes late or new evidence and revises only the affected periods and dependent balances.

03Periodic and annual VAT

Checks accounting readiness, calculates the permitted return, prepares the draft and runs filing validation.

04Annual accounts

Assesses reporting obligations and prepares controlled annual accounts from the reviewed PCN-mapped trial balance.

05Filing readiness

Performs a read-only check and returns the smallest exact list of documents or decisions still required.

06Heavy shoeboxes

Breaks large ledgers and document sets into bounded tasks so efficient models can process them without losing controls.

1Choose an outcomeAccounting, VAT, annual accounts or readiness
2Confirm the scopePeriod, known facts and new documents
3Watch the automatic routeThe selected model and current action stay visible
4Review only what needs youResolve held items, inspect the result and approve
Maximum automation, controlled boundariesAutopilot cannot invent missing evidence, bypass held items, approve a filing, use LuxTrust or submit to eCDF. You can leave a running task and inspect it in AI chat, override model routing when enabled, or stop at a clear human decision.
Autopilot product demonstration

See Autopilot carry accounting and filings through to finished products.

Follow a fictional Luxembourg SME from monthly documents to closed accounting and the updated ledger, then through quarterly VAT and annual accounts to approved XML downloads and the manual eCDF transfer process.

Real production walkthrough · fictional SME
Complete fictional report package

See every supported eCDF report format before you start.

Download a complete set prepared for one fictional company. The examples show the structure, level of detail and paired human-readable and machine-readable output produced by CDFlow AI.

Download complete package ↓
Excel — human-readable review copyUse it to review the figures, enter them manually in eCDF, or send the report to an accountant for final review and submission.
XML — machine-readable eCDF equivalentFor paid accounts, CDFlow AI generates this equivalent only after validation, review and approval. An authorised user then downloads it and uploads it manually in the organisation's eCDF account after LuxTrust authentication.

These are fictional format examples and must not be submitted. Filing identifiers are redacted. Monthly and quarterly VAT, full and simplified annual VAT, and the annual-accounts presentation levels are alternative formats: the competent authority's assignment and the organisation's legal eligibility determine which report applies.

Accountant collaboration

Start independently. Bring in professional help whenever you need it.

CDFlow AI lets organisations and accountants work in the same controlled records without exchanging passwords, sending archives or creating duplicate files.

02

Transfer the organisation to your accountant

If the accountant should take full responsibility, request an ownership transfer. After the Agency accepts, it becomes the owner, the organisation uses an Agency quota slot and the customer's Organisation subscription is cancelled. The customer can retain a chosen level of access.

03

Give customers controlled access

An Agency can give a customer access to one organisation as an uploader, contributor, reviewer or manager—for example to add monthly records, answer questions or take part in a filing review.

Would you like an accountant to fix an issue or review a filing?Choose an accountant already using CDFlow AI, or contact us for a referral matched to your needs.
[email protected]WhatsApp
AI
Your choice of AI

Work in our chat, connect your AI service or bring your own API.

Whichever option you choose, the same documents, accounting history, checks and approval process remain in CDFlow AI.

Built-in chatWork entirely inside CDFlow AI. Daily GPT-6 Luna chats are included; prepaid credit gives access to more capable managed models and additional usage.Your AI service (MCP)Free ChatGPT works with the full CDFlow AI plugin. For complex packages, use fresh Think-enabled chats for focused phases; Medium is a good default for a broader well-defined task, while Pro is suited to the longest provenance-heavy runs. Confirm every result in CDFlow AI. CDFlow AI does not charge for MCP access.Your own AI APIConnect compatible provider or self-hosted models. You pay that provider directly.Autonomous AI agentAn agent with its own reasoning can operate CDFlow AI directly through MCP, without another AI service.agents.txt ↗
AI proposes. CDFlow AI controls what advances.

AI can make mistakes, particularly smaller or less capable models. CDFlow AI independently checks evidence, balances, calculations, accounting structure and filing rules before work can advance. An unsuitable model may use paid tokens without producing a usable result, but it cannot place unchecked figures into approved accounting or a submission. Your review and approval of the controlled version is the final safety layer.

Managed AI model catalogue

Choose the capability and cost profile that fits the task.

Models differ in capability, speed and cost. Choose a bounded model for routine work and a high-capability model for complex accounting, difficult reconciliation and filing preparation.

OpenAI GPT-6 Astra · Sol · Luna

Astra provides maximum capability for difficult and ambiguous work; Sol balances capability and cost; Luna suits high-volume extraction and straightforward accounting tasks.

Mistral Small 4 · Medium 3.5

Small suits routine extraction and classification; Medium supports demanding analysis and tool workflows.

Grok 4.7

High-capability reasoning model for complex, tool-heavy accounting investigations and difficult cross-document analysis.

Qwen3.8 27B

Cost-efficient million-context reasoning model for bounded extraction, structured output, tool use and focused reconciliation.

Your favorite model is not listed? Let us know and we will add it.
AL
Included AiLexLux research support

Connect accounting decisions with the rules behind them.

CDFlow AI includes focused access to AiLexLux for Luxembourg and EU accounting, VAT, tax and filing research across the authority collections enabled for the service. Your AI can explain an issue, cite exact returned passages and help compare practical treatments without an additional AiLexLux charge. Source availability is reported with each result.

Visit AiLexLux ↗
Explain difficult issuesTurn a technical accounting or filing question into a clear explanation of what matters and why.Research current authorityUse Legilux, Luxembourg administrative publications, EUR-Lex and relevant Luxembourg case law.Compare next stepsUnderstand the evidence, bookkeeping entries and filing effects associated with reasonable treatments.
Luxembourg SME Packages - AI

Adopt AI-assisted accounting with structured support.

Eligible Luxembourg SMEs can apply for public support covering 70% of eligible costs for an approved AI implementation project between €3,000 and €25,000 excluding VAT. The company pays the provider first and receives the grant after implementation.

70%potential public aid30%remaining eligible net cost
Funding is decided by the Ministry of the Economy and is not automatic. A mandatory pre-analysis and application come before implementation or any binding order.
CDFlow AI adoption package

From assessment to confident day-to-day use

01One year of CDFlow AI access per named user02Business-focused AI assessment and consultation03Implementation and practical workflow training04One year of premium product support05€500 of managed-AI chat credit06Closing adoption review and outcome evidence

After the included year, normal subscription prices apply unless a longer term is expressly included in the approved project. Additional users or years can be scoped only where the programme adviser confirms their eligibility.

A practical early-adopter route for accounting practices

CDFlow AI helps accounting practices introduce controlled AI-assisted document intake, reconciliation, issue resolution and filing workflows, improving capacity and supporting new service models as customer expectations evolve.

Accountants and fiduciaries must confirm eligibility in writing during the mandatory pre-analysis: the general SME-aid conditions list these activities among exclusions, while the SME Packages - AI page describes Luxembourg SMEs more broadly.
Plans for one filing or ongoing accounting

Choose the workspace that matches how you work.

Launch offer: 50% off your first transactionEnter any promotion code you received at checkout. Check our website and social media for current special promotions.

Filing Pass

€20one month, one filing, no renewal + applicable VAT

For accounting completed elsewhere: validate and prepare one VAT return or annual-accounts filing in a temporary workspace valid for one month. It does not renew. Files are removed when the filing is completed. Ongoing accounting is not included.

Prepare one filing →

Agency

€100per month + applicable VAT
5 organisations included · €10 per additional organisation · €960 per year

For accountants and fiduciaries managing several organisations. Each organisation’s data and permissions remain separate.

Choose Agency →
20% off annual billingPrices are shown excluding applicable VAT. VAT is calculated from the customer billing identity and shown before payment. Paid plans include 10 basic GPT-6 Luna chats per user each day. More capable managed models and additional Luna chats use prepaid credit; MCP and your own AI API carry no CDFlow AI usage charge.
14-day trial

Prepare and review before you buy.

Use the complete accounting and filing workspace for 14 days. After review and approval, a trial filing ends with an Excel XLSX download only. XML, CSV and eCDF transfer require a paid plan.

Five GPT-6 Luna chats are included each day. GPT-6 Luna handles basic operations, not complex analysis, consolidation, difficult reconciliation or full accounting packages. To test more capable managed models, request €5 of trial credit after creating a valid organisation, or use ChatGPT through MCP for the full workflow without CDFlow AI token charges.

Start 14-day trial
How CDFlow AI works

From everyday paperwork to accounts you can review and file.

See how source records become reviewed accounting, controlled filings and approved outputs without losing the link to their supporting evidence.

Autopilot

Finish an accounting or filing task with fewer decisions

Autopilot turns a chosen outcome into a controlled sequence of evidence checks, accounting work and filing steps. It uses the organisation's existing Documents automatically and asks only for missing facts, files or decisions that CDFlow cannot safely determine.

1Open Autopilot and choose the outcome

Choose monthly accounting, an accounting update, periodic VAT, annual VAT, annual accounts or a read-only filing-readiness check.

2Set the smallest complete scope

Enter the period or financial year. Add new documents only when they are not already in the organisation's Documents library, and include special instructions only for known facts or exclusions.

3Review the automatic route

Before starting, CDFlow shows the model and reasoning level selected for the task. During the run, the current action remains visible and the completed conversation is retained in AI chat.

4Act on the result

Open the created Accounting or Filings record, inspect its evidence and controls, and resolve any held item. If Autopilot stops, follow its single next action and rerun after supplying the missing evidence or decision.

Automatic model routing

The platform administrator chooses the normal model, reasoning level and availability fallbacks for each workflow. The choice is automatic but always visible; an advanced override is available when enabled.

Large-document decomposition

Large ledgers and shoeboxes are summarised and divided into bounded tasks before accounting is created. This keeps smaller efficient models useful while preserving exact source rows, totals, exceptions and controls.

Safe stops instead of guesses

A different legal entity, unreadable evidence, an unsupported amount, unresolved accounting, an invalid model route or a failed provider causes a clear safe stop. No filing stage can continue from an invented or failed ID.

Human escape hatches

Use Back before the run, exclude an uploaded file, leave a running task to inspect it in AI chat, choose an advanced model override when available, or resolve the named issue manually in Accounting or Filings.

AI credits and your own model

Automatic routing uses CDFlow AI's managed models. A managed-model run can start only while the organisation has AI credits available, and every model call debits the shared prepaid balance from provider-reported usage. One Autopilot run may make several model calls or retries.

When advanced routing is enabled, you can add your own compatible AI under Settings → Expert mode and select it in Autopilot. Expert-mode calls are charged by your provider and do not consume CDFlow AI credits.

What successful complete runs used

Use these amounts as a practical indication, not a quote. 100,000 AI credits equal €1 of AI balance.

These examples used previous model generations and prices. Current model prices are shown in Settings.

TaskManaged modelSuccessful examplesTypical useRange
Review or update an already completed monthGPT-5.6 Luna7about 4,000 credits (€0.04)3,000–7,000 (€0.03–€0.07)
Prepare an annual VAT returnGrok 4.66about 67,000 credits (€0.67)39,000–107,000 (€0.39–€1.07)
Prepare annual accountsGrok 4.64about 61,000 credits (€0.61)50,000–75,000 (€0.50–€0.75)

Your use will vary with the number and quality of the documents and the complexity of the work.

What Autopilot never does

It does not approve policy choices, hide unresolved items, submit a filing, authenticate with LuxTrust or replace professional review. It prepares and checks the work, then leaves the controlled decision and filing action to an authorised person.

Start with Autopilot →
Optional manual and advanced controls

Autopilot users can stop here

Everything below is optional. Continue only if you want to choose your own AI setup, work step by step in Documents, Accounting and Filings, troubleshoot individual items, or use the more advanced accounting and AI controls.

Ongoing-accounting process

Five clear stages, from monthly records to filing

This process applies when CDFlow AI maintains the accounting. Filing Pass users begin with accounts completed in another system and continue at validation and filing preparation.

  1. Add your recordsUpload bank statements, invoices, receipts, payroll files and exports. Originals stay available as evidence.
  2. Prepare the accountsYour chosen AI classifies the material, reconciles the figures and prepares an accounting package.
  3. Review questionsAdd a missing document, answer a factual question or record an accounting decision. Unresolved items remain visible.
  4. Prepare the filingCreate the relevant VAT return or annual accounts from the reviewed accounting package.
  5. Approve and fileReview the final figures yourself or with your accountant. Then download the XML, authenticate on eCDF with professional LuxTrust and upload it manually in File transfer.
What CDFlow AI adds

AI assistance without giving up control

01A traceable record

Source files, generated accounts, corrections and filing versions stay connected, so you can see where figures came from.

02Independent checks

CDFlow AI applies fixed checks to balances, calculations, required fields and supporting evidence instead of relying only on the AI response.

03Human approval

Nothing is filed automatically. A responsible person reviews and approves the exact filing version before submission.

Set up XML filing in eCDF

Enable CDFlow AI's validated interface on your organisation's eCDF account

CTIE eCDF has completed the technical validation of CDFlow AI interface CCDL6. This enables CDFlow AI to generate XML packages for manual upload; it does not replace your review, LuxTrust authentication or eCDF's acceptance of the filing.

New eCDF accountRequest XML transfer when applying

In the eCDF access request, select XML file transfer. Enter CDFlow AI as the accounting software and CCDL6 as the eCDF interface code. If a version is requested, identify it as the current hosted CDFlow AI service. Submit the access request to CTIE using the official process.

Existing eCDF accountAdd the XML transfer right

Sign in to eCDF and open Access eCDF, then Access modification. Request the additional XML file-transfer right and identify the software as CDFlow AI with interface code CCDL6. The right belongs to the organisation's eCDF account, not to one individual user.

After CTIE enables accessCopy the organisation's eCDF prefix

The File transfer menu appears after XML rights are granted. Copy the six-character prefix shown there into the organisation's CDFlow AI filing settings, together with the organisation's agent identifiers. Each organisation or fiduciary uses its own account, prefix and identifiers.

For every filingUpload and verify manually

Review and approve the exact filing in CDFlow AI, download and check the XML, then sign in to eCDF with an authorised professional LuxTrust certificate. Upload it under File transfer, inspect Transfer result and Transfer details, and record the result in CDFlow AI. Only an OK result is a definitive filing.

Official eCDF quick guideThe official guide says: “cocher l’option « Transfert fichier XML »” and “indiquer le code interface eCDF”. Existing accounts use “Modification d’accès”. Read the official eCDF quick guide (PDF) ↗
Important scope of the approvalCTIE's validation covers the technical CCDL6 XML interface. It does not certify the completeness, accuracy or tax treatment of a user's filing. The authorised filer remains responsible for reviewing the final figures and confirming eCDF's result.
Ready to organise the next accounting period?Create an account, add your organisation and choose how you want to use AI.
Start 14-day trial →
Data protection, sovereignty and responsibility

Know where your data goes. Keep a human in control.

CDFlow AI separates the hosting of your workspace from the AI service you choose. GDPR accountability and professional review remain essential throughout the workflow.

01

CDFlow AI workspace data

The CDFlow AI application, database, uploaded documents and generated filing records are hosted in the European Union. Access controls and organisation boundaries protect the customer workspace.

02

Managed AI models

Managed AI models provided through CDFlow AI use OpenRouter. Provider processing location cannot be guaranteed by CDFlow AI. The selected provider’s terms, privacy commitments and data-processing conditions apply.

03

MCP and Expert mode

When you connect an external AI client, API or self-hosted model, data is processed under that provider’s terms and technical configuration. You are responsible for assessing GDPR compliance, international data transfers and any required safeguards, especially where EU-only hosting is not explicitly guaranteed.

04

AI limitations and model support

AI output may be incomplete, inaccurate or unsuitable for its intended purpose. CDFlow AI supports its configured OpenAI and OpenRouter catalogue, but does not guarantee model availability or result quality. Compatibility is not guaranteed for customer-provided models.

Human verification is mandatory

You must independently verify the source data, calculations, classifications, generated files and filing destination before approving, exporting or submitting anything through CDFlow AI.

Limitation of liability

To the maximum extent permitted by applicable law and subject to the governing contractual terms, CDFlow AI and Digitrans do not accept liability for AI output, generated filing content, user decisions or losses arising from reliance on the application. The user remains solely responsible for every approval and submission. Nothing in this notice excludes liability that cannot lawfully be limited or excluded.

Help and practical answers

Straightforward support from a real person.

We help with account setup, product use and filing workflows. Decisions that require accounting or tax judgment remain with you or your appointed adviser.

Support is onlineWeekdays · 08:00–18:00 CET
Typical reply within 2 business hours