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Quaderno
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Automatic sales tax management for smart businesses!

Should you have any questions, please reach us at [email protected].
Doing business in NYC? Sales tax rates vary, digital goods may be taxable, and economic nexus matters.

Our guide helps you navigate the complexity so you can focus on growing your business 👇
New York City 2025 Sales Tax Guide and Calculator
Up to date New York City sales tax rates and business information for 2025. Learn how to register, collect taxes, do returns, file, and more.
quaderno.io
November 21, 2025 at 3:02 PM
📢 La Ley Antifraude cambia las reglas del juego para los programas de facturación en España.

Se prohíben facturas modificables y exigen sistemas inalterables y trazables.
⬇️
La Ley Antifraude: cómo afecta a los programas de facturación
Aprende cómo la Ley Antifraude afecta a los programas de gestión y de facturación que usas en tu negocio.
quaderno.io
November 21, 2025 at 10:02 AM
NYC sales tax isn’t simple: rates vary, digital goods may be taxable, and economic nexus matters.

Our guide helps you navigate the complexity so you can focus on growing your business ⬇️
New York City 2025 Sales Tax Guide and Calculator
Up to date New York City sales tax rates and business information for 2025. Learn how to register, collect taxes, do returns, file, and more.
quaderno.io
November 19, 2025 at 3:02 PM
¿Tu software de facturación permite modificar facturas emitidas? 
Con la Ley Antifraude, eso ya te puede costar hasta 50.000€.

Entérate de los nuevos requisitos técnicos ⬇️
La Ley Antifraude: cómo afecta a los programas de facturación
Aprende cómo la Ley Antifraude afecta a los programas de gestión y de facturación que usas en tu negocio.
quaderno.io
November 19, 2025 at 10:02 AM
📍 Selling in NYC? Don’t let 8.88% sales tax catch you off guard.

Our guide breaks down rates, nexus, and taxable goods for businesses of all sizes 👇
New York City 2025 Sales Tax Guide and Calculator
Up to date New York City sales tax rates and business information for 2025. Learn how to register, collect taxes, do returns, file, and more.
quaderno.io
November 17, 2025 at 3:03 PM
🔍 La Ley Antifraude 11/2021 llega fuerte para la facturación: programas que permitan borrar facturas ya no sirven.

Infórmate aquí👇
La Ley Antifraude: cómo afecta a los programas de facturación
Aprende cómo la Ley Antifraude afecta a los programas de gestión y de facturación que usas en tu negocio.
quaderno.io
November 17, 2025 at 10:02 AM
No sales tax sounds great. What’s the catch?

The NOMAD states (New Hampshire, Oregon, Montana, Alaska & Delaware) don’t charge statewide sales tax.

Find out what it means for your business👇
The NOMAD states: Which states don't have sales tax?
Discover which U.S. states don’t have sales tax. Learn about the NOMAD states, their tax structures, and how to stay compliant when doing business there.
quaderno.io
November 14, 2025 at 4:02 PM
Selling online in Spain? Quaderno integrates with popular platforms & keeps invoices Verifactu-compliant.

Webinar for English speakers 👉https://watch.getcontrast.io/register/quaderno-verifactu-for-non-spanish-speakers?utm_source=x_bluesky&utm_medium=event&utm_campaign=verifactu_non_spanish_speakers
November 13, 2025 at 12:03 PM
No sales tax in 5 US states? Yep, it’s true.

But that doesn’t mean you can skip compliance entirely.

Learn about the NOMAD states and how they handle taxes differently 👇
The NOMAD states: Which states don't have sales tax?
Discover which U.S. states don’t have sales tax. Learn about the NOMAD states, their tax structures, and how to stay compliant when doing business there.
quaderno.io
November 12, 2025 at 4:03 PM
📣 En nuestro episodio de Quaderno Customer Stories, Lucía Fernández de Liencres Coll, de The Yoga Class, cuenta cómo convirtió una pasión en un negocio y cómo usa Quaderno para automatizar la facturación de sus suscripciones.

📺 Mira la entrevista 👉: https://youtu.be/_K9sheZDsfk?si=9XoAr1LwAMOEHVg5
November 11, 2025 at 10:01 AM
Not every US state has sales tax!

The NOMAD states (New Hampshire, Oregon, Montana, Alaska & Delaware) skip statewide sales tax altogether.

Here’s what that means for your business
👇
The NOMAD states: Which states don't have sales tax?
Discover which U.S. states don’t have sales tax. Learn about the NOMAD states, their tax structures, and how to stay compliant when doing business there.
quaderno.io
November 10, 2025 at 4:02 PM
November 5, 2025 at 10:02 AM
E-Show Madrid 2025 fue un éxito🚀
Conversamos con cientos de profesionales del sector e-commerce que buscan una solución para el cumplimiento de Verifactu.

Si te interesa saber cómo nuestra solución puede integrarse sin problemas pide una llamada: https://savvycal.com/quaderno-experts/verifactu?d=30
November 4, 2025 at 10:02 AM
Nuestro equipo se reunió en Las Palmas para uno de los offsites más dinámicos y estratégicos hasta ahora. 💡

Entre sesiones de teambuilding, buena comida y muchas risas, volvemos con nuevas ideas, más energía y un equipo aún más unido. 💪
October 30, 2025 at 10:03 AM
Not every US state has sales tax.
But if you sell online, you still need to know where and how much you should collect.

Our state-by-state guide has the answers
👉
Sales tax by state: Rates and state-by-state guides
Stay compliant with sales tax rules across the US. Learn about state & local rates, and how these impact your compliance.
quaderno.io
October 24, 2025 at 2:31 PM
📢 Verifactu ya está aquí y Quaderno está 100% listo: automatiza facturas, envía reportes electrónicos y cumple con Hacienda. 

🎥 Aprende más en el webinar: https://watch.getcontrast.io/register/quaderno-es-verifactu-para-ecommerce?utm_source=x&utm_medium=event&utm_campaign=verifactu_ecommerce
October 23, 2025 at 9:02 AM
Some US states say yes to sales tax. Others say no.

And then there are thresholds, exemptions & rules that make it tricky for eCommerce & SaaS businesses.

We did the homework for you
👉
Sales tax by state: Rates and state-by-state guides
Stay compliant with sales tax rules across the US. Learn about state & local rates, and how these impact your compliance.
quaderno.io
October 22, 2025 at 2:31 PM
⏰ Have a businesss in Spain? Verifactu will be mandatory in 2026.

To learn more join our English webinar: Oct 23 -11:00 CEST.

Register⬇️
Verifactu for Non-Spanish Speakers
Are you a foreign business owner in Spain but don't understand what Verifactu means for your business? You're not alone. Many international entrepreneurs ...
watch.getcontrast.io
October 22, 2025 at 9:02 AM
🗺️ Does every US state have sales tax?

No — but 45 of them do (plus local add-ons). Learn where, how much, and what it means for your business 👉

Sales tax by state: Rates and state-by-state guides
Stay compliant with sales tax rules across the US. Learn about state & local rates, and how these impact your compliance.
quaderno.io
October 20, 2025 at 2:31 PM
Running a business in Spain? What does Verifactu mean for you?

Join our free English webinar to learn more.
Register 👇
Verifactu for Non-Spanish Speakers
Are you a foreign business owner in Spain but don't understand what Verifactu means for your business? You're not alone. Many international entrepreneurs ...
watch.getcontrast.io
October 16, 2025 at 9:03 AM
📣 En Quaderno Customer Stories, Félix Mezcua (Arcadina) cuenta cómo creó una plataforma para fotógrafos y usa la API de Quaderno para automatizar facturación y gestión fiscal.

📺 Mira la entrevista completa aquí: https://youtu.be/ww_Qzkbj5gk?si=vWtos4K-rwyUkm3e
October 15, 2025 at 9:02 AM
¿Cómo deben prepararse los autónomos para Verifactu?

Mira el webinar con Quaderno y Declarando👇
Preguntas y respuestas sobre fiscalidad en España: impuestos, facturas y más
En Quaderno siempre buscamos las mejores alianzas para ayudarte con tu negocio. Por eso, hemos organizado un webinar muy especial con nuestros amigos de De...
watch.getcontrast.io
October 14, 2025 at 9:02 AM
Generar facturas para FACe ya no tiene que ser un dolor técnico.

Quaderno automatiza el proceso completo: XML compatible, validaciones y adaptaciones ante cambios normativos.

API FacturaeAPI Facturae de Quaderno | Facturación electrónica con la administración pública
Integra la API Facturae de Quaderno y genera fácilmente facturas para FACe y otras plataformas oficiales. Cumple con la normativa sin complicaciones.
quaderno.io
October 10, 2025 at 9:02 AM
🇪🇸 Have a business in Spain? Verifactu is coming.
Jan 2026 → Companies
Jul 2026 → Freelancers

Find out more in our English webinar:
Verifactu for Non-Spanish Speakers
Are you a foreign business owner in Spain but don't understand what Verifactu means for your business? You're not alone. Many international entrepreneurs ...
watch.getcontrast.io
October 9, 2025 at 9:59 AM
Con la API de Quaderno: facturas listas para FACe, envío automático, pruebas en sandbox y soporte humano. 

Olvídate de errores comunes y pierde menos tiempo.
API FacturaeAPI Facturae de Quaderno | Facturación electrónica con la administración pública
Integra la API Facturae de Quaderno y genera fácilmente facturas para FACe y otras plataformas oficiales. Cumple con la normativa sin complicaciones.
quaderno.io
October 8, 2025 at 9:02 AM