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Christelle KouchnerCK

Christelle Kouchner

External Administrative and Financial Manager

€700/day
Aix-en-Provence, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Christelle

Are you self-employed, a small business owner, or a CFO of an SME? Is your back office time-consuming, poorly structured, or struggling? I am here to restore order, method, and performance to your administrative and financial functions.

I am a consultant specializing in the management, organization, and transformation of support functions (finance, administrative), with 15 years of experience, including several years as an accounting manager in a multi-company environment.

Today, I operate throughAETHEL Business Solutionson 3 types of missions:

💻 Outsourced operational support (management, financial steering, etc.)

🔄 Transition management (outsourced RAF, temporary reinforcement, team structuring)

🚀 Project management (digitalization, ERP migration, process improvement or redesign)


Clear method and measurable impact:
I analyze your on-the-ground needs, propose concrete solutions, and support their implementation until stabilization, always ensuring the autonomy of your teams.

My added value?
A systemic thought process, a great capacity for adaptation, and a keen sense of reliability. I transform administrative constraints into a lever for sustainable performance, with a human, efficient approach.

Types of projects recently carried out:
- Monthly closings and tax packages for multi-entity groups
- Implementation of YOOZ and SAP S/4 Hana
- Taking over an internalized accounting department
- Structuring of reports and steering indicators

👉 Available remotely or on-site occasionally, according to your needs.

Let's talk about it over a discovery call!


  • English

    Fluent

  • Italian

    Fluent

  • Spanish

    Basic

  • Japanese

    Basic

  • French

    Native or bilingual

Can work on-site
Aix-en-Provence (up to 50km), Mâcon (up to 50km), Lyon (up to 50km)

Experience

  • AETHEL Business Solutions
    Present. Founder & Consultant
    CONSULTING AND AUDITS
    July 2025 - Today (11 months)
    France
    I founded AETHEL Business Solutions to help self-employed individuals, small businesses, and SMEs streamline their administrative and financial management. I act as an outsourced RAF in three areas: operational management, managerial transition, and project management (digitalization, ERP migration, team structuring, etc.). Thanks to a proven method combining on-the-ground observation, analytical rigor, and digital tools, I restore serenity, ensure data reliability, and transform support functions into real levers for sustainable performance.
    Corporate finance Team management Project management Process optimization Change management
  • Cityway, Groupe Transdev
    Accounting Manager
    SOFTWARE PUBLISHING
    January 2022 - January 2025 (3 years)
    Aix-en-Provence, France
    I managed the complete internalization of the company's accounting department, structuring processes and ensuring the team's skills development. My role covered the daily management of the accounting department, account control, tax returns, as well as the preparation of balance sheets and tax packages. I implemented a new purchasing process and digitized the processing of supplier invoices via YOOZ. Finally, I ensured monthly closings and the reporting of accounts in the VECTOR Group consolidation software.
  • Hopps Group
    Accounting Manager
    RETAIL (SMALL BUSINESS)
    January 2019 - January 2022 (3 years)
    Aix-en-Provence, France
    As the Group's accounting manager, I managed the accounting of the holding company and three subsidiaries with varied activities. I supervised an accounting team while ensuring tax returns, annual closings, balance sheets, and tax packages. I also played a central role in the implementation of the new ERP SAP S/4 Hana, piloting the accounting switchover and adapting internal processes to ensure a smooth and compliant transition.

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Education

  • BTS
    MEDICIS ALTERNANCE
    2011
    BTS
  • Higher Diploma in Journalism and Communication
    IEJ
    2005
    Diplôme sup. de journalisme et comm.

Skill set

Categories