Guía de viaje

eSIM for Business Travel — Connected and Productive

Marc González Sáez Marc González Sáez ·27 de junio de 2026 ·5 min de lectura
eSIM para viajes de negocios — Conectado y productivo
In short: For business trips, every minute offline has a real cost. eSIM connects you before you land, allows you to manage personal and professional lines on a single device, and expenses are easily justifiable to the company. It's the most underutilized productivity tool by Spanish business travelers.

Why do business travelers choose eSIM?

Business travelers have very specific needs: immediate connection upon arrival at their destination, reliability during critical meetings, and simplicity in expense management. eSIM addresses these requirements better than any alternative.

eSIM is activated from your mobile, without needing to find a phone store at the airport, no queues, no risk of losing your physical SIM in your carry-on. You buy the plan from Spain, install it on your phone, and you have data when you land.

Compared to Spanish operator roaming, the price difference can be huge. A day of corporate roaming outside the EU can cost much more with some operators. A data eSIM for the USA or Asia can cover a whole week of travel for a similar price.

Furthermore, if you travel frequently to several countries, European coverage eSIMs or US plans allow you to use the same plan in multiple destinations, greatly simplifying management.

Essential apps for a business trip

Before talking about data, it's good to know which applications you'll use and how much they consume, to choose the right eSIM plan:

  • Email (Gmail, Outlook): very low consumption, less than 100 MB per day unless large attachments.
  • Zoom, Teams, Google Meet: 600 MB to 1.5 GB per hour of video call. For audio-only calls, 200-400 MB/hour.
  • Slack or Teams messaging: 50-200 MB per day depending on shared files.
  • Google Maps / Waze: 200-500 MB per month, less if you use offline maps.
  • LinkedIn, news, browsing: 300-800 MB per day with normal use.
  • Corporate VPN: adds 10-20% additional consumption due to encryption overhead.

An intensive 5-day business trip can consume between 5 and 15 GB, depending on how many video calls you make from mobile data vs. hotel or meeting room WiFi.

eSIM for Zoom and Microsoft Teams meetings

Videoconferences are the critical point of any business trip. An unstable connection in a meeting with a client or a presentation can have real professional consequences.

The main advantage of eSIM over hotel or meeting room WiFi is that it is your connection, under your control. You don't share bandwidth with other guests, you don't depend on the client's router configuration, you don't suffer from the typical cuts of corporate WiFi with restrictive proxies or firewalls.

For fluid HD videoconferencing, you need stable 4G/LTE upload and download speeds. Most 4G/5G eSIMs offer much higher speeds, especially in countries with good infrastructure like Germany, the Netherlands, the USA, or Japan.

Practical tip: before an important meeting, activate the eSIM as a backup hotspot even if you use the local WiFi. If the WiFi fails, you switch to data in seconds without interrupting the call.

For meetings in the USA, our eSIM plans for the United States include coverage in major business cities (New York, Los Angeles, Chicago, Miami) with 5G speeds where available.

Managing two lines (work + personal)

One of the biggest benefits of eSIM for business travelers is the ability to have two active lines on a single device. No carrying two phones, no juggling physical SIMs.

The most common scenario:

  • Physical SIM (slot 1): corporate work number, with company plan. You use this line for voice calls with clients and colleagues.
  • eSIM (virtual line): data plan for the destination country. All navigation, in-app video calls, and internet use go through here.

This has an additional advantage: work data (VPN, corporate email, company apps) can go through the corporate line, while you use the eSIM for personal consumption. It facilitates the separation of expenses and avoids mixing corporate and personal traffic.

If your company uses MDM (Mobile Device Management), check with the IT department if a third-party eSIM is compatible with corporate security policies. In most cases, it is, especially if used only for data.

Learn how to configure dual SIM correctly in our guide how eSIM works with dual SIM.

Deductible expenses and invoicing

Connectivity on a business trip is a deductible company expense. But to justify it to accounting, you need an invoice, and many roaming services or local SIMs don't issue one or issue it in a foreign language that is difficult to process.

With PuraSim, you receive an invoice in Spanish with all the necessary tax data for its deduction. The process is:

  1. Buy the eSIM and receive the invoice by email before leaving.
  2. Keep the invoice along with the travel proof (airline or train ticket).
  3. Present both documents as proof of travel expense.

Tax-wise, communication expenses during business trips are 100% deductible for freelancers and companies, provided there is a correlation with economic activity. Consult your tax advisor to confirm the treatment in your specific case.

If your company has a travel expense reimbursement policy, eSIM fits perfectly into the "communications" or "connectivity expenses" category, along with hotel WiFi or calls from abroad.

To see all available options for your next business trips, visit our eSIM for travel page.

Conclusion

eSIM is not a luxury for the business traveler: it is a productivity tool with immediate ROI. It eliminates time wasted searching for connectivity at the destination, ensures stability in critical meetings, facilitates the management of two lines, and simplifies expense justification.

If you travel for work more than twice a year, the savings in roaming and management time pay for the cost of the eSIM on the first trip. And if you frequently travel to Europe or the USA, our eSIM plans are optimized for exactly that user profile.

Check out our options for eSIM for Europe and eSIM for the United States and start your next business trip with the connectivity you need.

Frequently asked questions about eSIM for business travel

Can I use eSIM with my company's VPN?

Yes, eSIM provides internet connectivity just like any SIM. You can connect your corporate VPN over it without problems. Data consumption will be slightly higher due to VPN encryption (approximately 10-20% more).

Does business eSIM come with an invoice to justify the expense?

Yes, PuraSim issues an invoice in Spanish with all the necessary tax data for expense deduction. You receive it by email immediately after purchase.

How many GB do I need for a week-long business trip?

For an intensive week-long trip with several daily video calls, email, and browsing, estimate between 5 and 15 GB. If you use hotel WiFi a lot for video calls, 5 GB may be enough.

Can I have my company number and the data eSIM on the same mobile?

Yes, with the dual SIM function you can have your corporate number on the physical SIM and PuraSim's data eSIM on the virtual line. Both lines are active simultaneously.

Does eSIM work in countries outside of Europe for business travel?

Yes, PuraSim offers specific eSIMs for the USA, Asia, and other regions, in addition to European plans. Check our catalog for the specific destination country.

Marc González Sáez
Escrito por Marc González Sáez Fundador de PuraSim y especialista en eSIM y conectividad para viajeros. Lleva años ayudando a viajar conectado por todo el mundo sin pagar de más por el roaming, y prueba personalmente las eSIM en cada destino antes de recomendarlas.
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