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Invoice

VAL-2026-0003

Date of issue: 11/06/2026

Export of services · Non-EU (Switzerland)

Issuer

Juan Camilo Calderón

Trade name: Valírica

NIE: Z1665039M

Calle de Leganés 3

28045 Madrid · Spain

Bill to

Marco Laterza

marcolaterza.com

Dorfstrasse 11c

8902 Urdorf · Switzerland

Description Qty Unit price Amount
HTML & SEO Custom Migration Redesign — marcolaterza.com Full migration of the website from WordPress to clean, custom HTML under a Zero Authority Loss strategy, as per the attached SEO Migration Workplan.
  • 5-phase migration: SEO audit & backup, clean-code build, 301 redirection matrix, sitemaps & crawl control, launch & 15-day monitoring
  • UX/UI pass focused on ultra-fast loading and maximum legibility (Core Web Vitals optimization)
  • Speed & overall SEO performance audit on the live site (Lighthouse / PageSpeed, LCP < 2.5s targets)
  • Research & selection of an SEO-friendly Google Font for guaranteed legibility and optimal load performance
1 €600.00 €600.00
Taxable base €600.00
VAT Not subject
IRPF withholding Not applicable
TOTAL DUE €600.00
Transaction not subject to Spanish VAT

Payment details

IBAN: ES40 0049 4777 6729 1635 8084
BIC / SWIFT: BSCHESMMXXX
Account holder: Juan Camilo Calderón
Bank: Banco Santander España
Currency: EUR — SHA (shared) transfer fees
Payment 1 (50%): €300.00 — due 25/06/2026 (14 days)
Payment 2 (50%): €300.00 — upon completion & launch
Reference: VAL-2026-0003

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