The short answer: With Solobuch, you as a Fitness Trainers can create invoices with all mandatory details online in a few seconds via Google login. Up to 3 invoices per month are completely free.
Billing for individual lessons, subscription models or course fees – with Solobuch you can keep track of things and provide your customers with a professional invoice document. Create your invoices quickly, error-free and in a professional design with the Solobuch online generator.
💡 Tip for Fitness Trainers: The invoice template contains all mandatory details according to §14 UStG, including tax number/VAT ID, invoice date, service period and unique invoice number.
Everything you need to know about creating legally compliant invoices as a Fitness Trainers.
Yes, you can use the invoice template for Fitness Trainers completely free of charge and without registration as a PDF download or fill it out directly online in your browser.
A legally compliant invoice for Fitness Trainers must contain your name/address according to § 14 UStG, customer details, tax number or VAT ID, invoice date, sequential invoice number, service description, date of performance, and total amount (including VAT or small business note according to § 19 UStG).
Solobuch supports GoBD-compliant bookkeeping: issued invoices cannot be changed (corrections only via cancellation invoice) and can be handed over via DATEV export. You remain responsible for retention and process documentation. Solobuch also supports the e-invoicing standards ZUGFeRD 2.3 and XRechnung phased in under the Growth Opportunities Act for seamless B2B export.
Free templates for popular professions 2026
