UX Researcher Invoice Generator for Bulgaria
Create professional ux researcher invoices for clients in Bulgaria. This free invoice generator combines ux researcher-specific billing practices with Bulgaria's tax requirements (20% ДДС) and preferred payment methods like Bank Transfer and Credit Card.
Free, no registration required. Your data stays in your browser.
Bulgaria Tax Information
ДДС (VAT) is 20% standard, 9% reduced for tourism. Registration above BGN 50,000 turnover. Source: National Revenue Agency Bulgaria.
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 Bulgaria
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 Bulgaria
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 Bulgaria?
Bulgaria has 20% ДДС. ДДС (VAT) is 20% standard, 9% reduced for tourism. Registration above BGN 50,000 turnover. Source: National Revenue Agency Bulgaria.
What payment methods are common for ux researchers in Bulgaria?
Common payment methods in Bulgaria include: Bank Transfer, Credit Card, Cash, PayPal, Revolut. 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 Bulgaria?
Your invoice should include: ЕИК/БУЛСТАТ number, VAT number if registered, Client ЕИК, 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 VAT rates apply in Bulgaria?
Bulgaria has 20% standard VAT and 9% reduced rate for hotel accommodation. Exports and intra-EU B2B are zero-rated.