Trappes - Yvelines (78) – France / 10 years of experience - Bachelor's degree

I am Nathésias, a graduate with a degree in Organizational Management, with over 10 years of experience. I support SMEs and startups in managing their support functions, with an approach that is structured, human, and highly operational.
I can work on a variety of topics:
- Human Resources
- Finance & Accounting
- Management & Organization
- Communication
- Sales Support
- Happiness Officer (because well-being at work is not a minor detail)

  • Nathésias Dellevi

    Administrative Manager

    Office Manager

  • 💻 Availability

    On-site - 25 km

    Remote - FR-EU

    Languages

    French (C2) - English (B1) - Spanish (B2)

    Education

    10 years experience - Bachelor's degree in Organizational Management

  • 🛠️ Digital tools

    • Office 365

    • Sage • ACD • Axonaut • Pennylane • Hubspot

    • Excel • Word • Adobe Suite (virtual creation) • Zoom • Canva

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Service Description

  • Administrative Management, Accounting & Finance

    • Operational coordination and monitoring

    • Financial and accounting management (pre-accounting, invoicing, cash flow monitoring, accounting entries, reporting, closings)

    • Creation of quotes and invoices

    • Follow-up on outstanding payments

    • Quarterly closings

    • Payroll management

    • Expense reports, payroll variables

    • Planning and monitoring of employee training, On-boarding, Off-boarding

    • Staff recruitment

  • Administrative Assistance

    • Sales support: quote generation, order tracking, customer invoicing and reminders

    • Purchasing & pre-accounting support: management, cash flow monitoring, transmission of accounting documents

    • HR support: expense reports, payroll tracking, leave tracking, recruitment, employee training tracking, contracts, onboarding, offboarding, Single Document

    • Legal support: company creation or modification, closing of social accounts

    • Event organization: Calendar management, travel, seminars and meetings.

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Client References

  • Dlp Paris

    2019 to 2026: Managing Director

    Overall management of activities:
    - Administrative (contract management, process implementation, property management)
    - Financial and accounting (invoicing, cash flow monitoring, accounting entries, reporting, closings)
    - Commercial (quotes, prospecting)
    - HR (onboarding, offboarding, contracts, payroll monitoring)
    - Marketing (social media plan, visuals)

  • Yes!

    2018 to 2019: Deputy Administrative and Financial Manager

    Administrative and Financial Manager:
    - Cash management,
    - Short-term forecasting,
    - Customer invoicing follow-up,
    - Supplier payments,
    - Quarterly close follow-up.

    Human Resources Manager:
    - Employee onboarding and offboarding management,
    - Drafting of employment contracts,
    - DPAE (Declaration Prior to Employment),
    - Preparation of the Single Document,
    - Payroll management (paid leave tracking, salary matrix, salary payments),
    - Intern management.

    Chief Happiness Officer:
    - Motivating and making people happy.

  • Sequence

    2015 to 2019: Office Manager

    Company cash flow management
    Preparation of marketing study files
    Expense report preparation
    Travel arrangements
    Recruitment and recruitment follow-up process (DPAE, contract, etc.)
    Invoice preparation and payment tracking
    Customer/supplier accounting management

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Formations & certifications

  • Licence Management des Organisations

    BTS Assistant Manager

    Baccalauréat

    BEP secrétariat

Service Pricing

  • OCCASIONAL NEED

    FROM 50€ incl. VAT/hour

    Contact us

    Consultation + quote = free
    • Customization of included services
    • Payment only for hours worked
    • No fixed-term commitment
  • REGULAR NEED

    FROM 50€ incl. VAT/hour

    Contact us

    Consultation + quote = free
    • Customization of Included Services
    • Monthly payment for hours worked
    • 12-month subscription
  • Project (outsourcing, transfer)

    STARTING FROM €50 inc. VAT/hour

    Contact us

    Consultation + quote = free
    • Customization of included services
    • Monthly payment for hours worked
    • Project-based operation
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Contact and Appointments

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Recommendations

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