UX Researcher Invoice Generator for Spain
Create professional ux researcher invoices for clients in Spain. This free invoice generator combines ux researcher-specific billing practices with Spain's tax requirements (21% IVA (standard)) and preferred payment methods like Transferencia bancaria and Bizum.
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Spain Tax Information
IVA is 21% standard, 10% reduced, 4% super-reduced. NIF/CIF required.
UX Researcher Services to Invoice
- User interviews ($150-300/session)
- Usability testing (5-8 participants)
- Survey design & analysis
- Persona development
- Customer journey mapping
- Competitive UX audit
- Research synthesis reports
- Stakeholder workshops
Invoice Requirements in Spain
Payment Terms
50% before research begins to cover recruitment costs, 50% on delivery of final report. Participant incentives billed at cost plus 15% handling fee.
Payment Methods in Spain
UX Researcher Invoice Tips
- List number of participants tested separately
- Include recruitment and incentive costs as line items
- Specify research methodology used (qual vs quant)
- Attach executive summary with invoice
- Note deliverable formats (Figma, PDF, Notion)
Frequently Asked Questions
What tax rate applies to ux researcher invoices in Spain?
Spain has 21% IVA (standard). IVA is 21% standard, 10% reduced, 4% super-reduced. NIF/CIF required.
What payment methods are common for ux researchers in Spain?
Common payment methods in Spain include: Transferencia bancaria, Bizum, PayPal, Tarjeta, Domiciliación. 50% before research begins to cover recruitment costs, 50% on delivery of final report. Participant incentives billed at cost plus 15% handling fee.
What should ux researcher invoices include in Spain?
Your invoice should include: NIF/CIF number, Business address, Client NIF, Invoice number. For ux researcher services specifically, also include: User interviews ($150-300/session), Usability testing (5-8 participants), Survey design & analysis.
How should UX researchers price their services?
Most UX researchers charge $100-250/hour or $1,500-5,000 per usability study (5-8 participants). Enterprise research projects with multiple methods typically range $10,000-50,000. Consider your experience level, market rate, and whether you're providing recruitment services.
Should participant incentives be included in the invoice?
Yes, always list participant incentives as a separate line item. Typical incentives are $50-150 per participant for 60-minute sessions. Bill these at cost plus a 10-15% handling fee to cover your time coordinating payments and scheduling.
What IVA rates apply?
21% standard, 10% for food/hospitality, 4% for essential goods.