Apollo for Sole Proprietors
Simple invoicing software that understands local regulations. Perfect for sole proprietors.
14-day trial. No card required.
How it works
How a sole proprietor invoices with Apollo
Enter your business details
Tax number, address, and logo—Apollo remembers them for every future document.
Issue an invoice
Pick the client, add line items, and Apollo handles the tax workflow and PDF.
Export for your accountant
When it is time to file, export everything in one click. No manual re-entry.
In practice
Apollo is designed so the business can grow without admin growing at the same pace.
14-day free trial
Try all features free for 14 days. No credit card required.
Tax compliance support
Local tax compliance is built in where supported. No additional modules or costs.
E-invoices
Send structured electronic invoices to businesses and public sector clients directly from the app.
What Apollo covers
14-day free trial
Try all features free for 14 days. No credit card required.
Tax compliance support
Local tax compliance is built in where supported. No additional modules or costs.
E-invoices
Send structured electronic invoices to businesses and public sector clients directly from the app.
Simple interface
No accounting knowledge needed. If you can fill out a form, you can use Apollo.
Frequently asked questions
Frequently asked questions
A quick view of the questions teams usually ask before getting started.
Does Apollo cover everything a sole proprietor needs?
For most sole proprietors, Apollo covers the full flow—from invoicing and quotes to tax compliance, e-invoicing, and accounting exports.
Is tax compliance included in every plan?
Local tax workflows are available in the Advanced and Professional plans. The Simple plan covers basic invoicing without tax compliance features.
Can a sole proprietor send e-invoices to public entities?
Yes. Apollo supports e-invoicing standards where required for working with the public sector.
How long does setup take?
Less than 3 minutes. Sign up, enter your business details, and you can issue your first invoice right away.
Invoice faster with German-ready workflows
Apollo gives German SMEs one place for invoices, customers, reminders, ecommerce workflows, exports, and structured e-invoice files.
No credit card · 14-day free trial of all features