if/else agency × Sellsy - Implementing the French e-invoicing solution
Smart invoicing
that adapts to your business
With Sellsy, an Approved Platform (PDP), turn your quotes into invoices, secure your payments, and simplify your accounting. The team at if/else agency will set up and configure Sellsy so you can maintain control over your sales and purchase data while saving your accountant valuable time.
Sellsy - Electronic invoicing for everyone
Compliant invoicing that grows with your business

Simplify your billing
Your quotes become electronic invoices instantly, and your recurring payments are handled automatically. All of this is integrated with your accounting software.

Secure your revenue and payments
Fewer unpaid invoices and better cash flow visibility helping you secure your financial flows against future risks.
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Simplify your accounting
Bank reconciliation and chart of accounts generated with just a click, for both your team and your accountant.

Bank reconciliation
View your cash flow, incoming payments, expenses, and any outstanding balances in real time.
Pre-accounting
Accounting ledgers and journals generated automatically, with direct access for your accountant.
Reporting
Track revenue, calculate purchases and margins without having to manually update a spreadsheet.
Electronic invoicing
Send and receive your invoices in full compliance with regulations. Sellsy is a French solution registered as an Approved Platform.
Automatic reminders
Set up email reminder schedules for your invoices and quotes.
Document management
Quotes, invoices, purchase orders, and delivery notes. Convert a quote into an invoice with a single click, and manage recurring billing and progress billing.
Payment security
Speed up, track, and secure your customers' payments, from the first reminder to final collection.
Purchasing management
Your purchase invoices are imported automatically, allowing you to track margins without having to re-enter data.
Inventory management
An add-on module, seamlessly integrated with sales management, to keep track of your inventory flows.
Deploy Sellsy with the help of our experts
if/else agency is an official Sellsy reseller, the certified French platform for electronic invoicing that covers your entire sales cycle.
We help you turn Sellsy into a powerful tool for growth and management by combining CRM structuring, e-invoicing compliance, cash flow management, and targeted marketing initiatives.
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Progress-Based Billing: Bill your projects based on their actual progress.
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Automation: Ready-to-use templates for your repetitive tasks.
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Sellsy AI: Client profile summaries, writing assistance, email templates.
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All types of documents: Quotes, invoices, purchase orders, delivery notes, and pro forma invoices.
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Convert quotes to invoices with one click: Save time on every document conversion.
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Automatic follow-ups: Email follow-up schedules set in advance.
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SIRENE Directory: Enhance your customer records with legal and financial data.
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Product Catalog: Centralize your products, services, and pricing.
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Aged Receivables Report: Gain a better overview of collections and cash flow.
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Product Variants: Easily create variations: colors, sizes, formats.
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Subscriptions: Create recurring invoices simply and automatically.
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Payment Terms: Offer your customers payment plans spread out over time.
Sellsy - Certified platform for electronic invoicing
Ready to issue invoices in full compliance?
Take advantage of a free initial consultation to assess your needs, clarify your goals, and identify the solution best suited to your business. Following this consultation, we’ll provide you with a customized quote designed to address your specific challenges.