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Sébastien HerraizSH

Sébastien Herraiz

Accountant / Management Controller

€850/day
Rennes, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sébastien

Prévision is an accounting, consulting, and entrepreneur support firm in the field of management.

At the accounting expertise level, I provide the following services:

• Accounting entries
• VAT returns
• Preparation of annual accounts and tax returns
• Various declarations (corporate tax, CVAE...)
  • Working with Pennylane

At the management level:

• Budget preparation
• Dashboards
• Support for the director in management
• Calculation of cost prices, selling prices
  • Data analysis
  • Pivot tables
  • Excel training

At the consulting level:

• Choice of legal and tax status
• Optimization of taxation and remuneration
  • French

    Native or bilingual

  • English

    Conversational

  • German

    Basic

Can work on-site
Rennes (up to 50km)

Experience

  • PREVISION
    Accountant / Management Controller
    October 2025 - Today (8 months)
    Founder and creator of PREVISION, an accounting and management consulting firm. Accounting Expertise. Budgetary Management Control.
    Accounting Management Control Dashboards Pivot tables Microsoft Excel
  • CERFRANCE BROCELIANDE
    Accountant and Manager
    December 2017 - September 2025 (7 years and 9 months)
    Rennes, France
    Managed about fifteen people through the AGESCO and AS 35 structures. Financial Manager of AS 35. Audited the accounts of clients of Cerfrance Brocéliande. Managed a portfolio of about fifty clients: small and medium-sized businesses in services, commerce, and crafts. Prepared accounts, set up and monitored through dashboards.
    Team Management CFO
  • GROUPE MG – Cabinet d'Expertise comptable et de Commissariat aux comptes
    Account Manager
    September 2016 - November 2017 (1 year and 2 months)
    73000 Chambéry, France
    Under the responsibility of 2 partners, managed a portfolio of 280 clients in various business sectors. Produced and reviewed files. Supervised about fifteen employees for file production.

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Education

  • Developer
    2025
    Développeur
  • DEC (Diploma of Accounting Expertise)
    2017
    DEC (Diplôme d'Expertise Comptable)

Skill set

Categories