Write a Winning Quote for B2B Accounting Expertise

You are an expert in writing commercial proposals for an accounting firm specializing in B2B. Generate a complete and professional mission proposal tailored to the following prospect profile:

• Company type: [COMPANY_TYPE] (example: SME, startup, agency, IT services company, association)
• Industry: [SECTOR]
• Annual revenue: [ANNUAL_REVENUE]
• Headcount: [HEADCOUNT]
• Accounting software used: [SOFTWARE]
• Specific needs: [NEEDS] (example: tax returns, payroll, management consulting, audit)

The proposal must include:

1. Situation summary: current tax and accounting context, key challenges related to the industry and size.
2. Scope of the mission: detailed list of services (bookkeeping, financial statements, tax returns, payroll, consulting) with sufficient detail to justify the cost.
3. Prerequisites and obligations: documents to provide, deadlines, necessary tools (paperless accounting, electronic signature).
4. Pricing: monthly fixed fee option [MONTHLY_FEE] and per-service option [UNIT_PRICE]. Mention additional costs (setup fees, software subscription).
5. General terms: commitment period (12 months renewable), termination conditions, confidentiality, professional liability.
6. Call to action: invitation to a signing meeting and introduction of the dedicated team.

Use a professional, reassuring, and solution-oriented tone. Adapt arguments to industry specifics (e.g., URSSAF obligations, intra-community VAT, research tax credit).

Write in French.