Business SIM Card vs Business eSIM: What to Choose for a Travelling Team

Every company has one: a drawer full of SIM cards. Some came from a project in Germany, some from a trade fair in Spain, a few from an operator nobody works with anymore. Each business SIM card has a sticky note with a country on it. Nobody knows which ones still work, which ones are still being billed, or who last used them.

Every company with people on the road faces the same choice: keep issuing physical SIM cards, move to eSIM, or run both. The answer depends mainly on the devices, the travel pattern and how much control IT and finance need. This article compares a business SIM card with a Zakelijke eSIM on the points that matter for a travelling team, and shows when each one, or a mix, is the right choice.

Business SIM card, business eSIM and business data SIM: the definitions

A business SIM card is a physical SIM issued under a company contract, inserted into an employee’s phone, tablet, laptop or hotspot, and managed and billed by the company.

A business eSIM is the same company-managed mobile subscription delivered as a digital profile to the embedded SIM chip in a device, installed by scanning a QR code or pushed through a management system, without a physical card.

A business data SIM is a SIM or eSIM that carries mobile data only, without a phone number for calls. For travelling teams it is often used next to the employee’s existing phone number: the domestic SIM handles calls and texts, and the business data SIM or eSIM handles data abroad at a known rate.

The subscription behind a physical card and an eSIM can be identical. What changes is how the subscription reaches the device, how fast that happens, and what IT can control afterwards.

Business SIM card vs business eSIM: side-by-side

For most modern smartphones and tablets, eSIM wins on speed, control and logistics. The physical card still has a clear role, which the next sections cover.

Device support: check before you choose

eSIM support is standard in most current smartphones from the major brands, in many tablets and in a growing number of laptops with built-in mobile data. Some recent phone models are sold without a physical SIM tray in certain markets, which makes eSIM the only option there.

Physical SIM cards remain necessary for:

• Older phones and budget models that have no eSIM chip.
• Mobile hotspots and travel routers used by teams that share one connection.
• Rugged field devices such as handheld scanners and industrial tablets, many of which only accept a card.
• Devices that must switch between users, where a card is moved deliberately with the device pool.

Before deciding, export the device list from the MDM or the asset register and check eSIM support per model. In most companies the result is a majority of eSIM-capable phones and a minority of devices that still need a card.

Provisioning speed and onboarding

With physical business SIM cards, onboarding follows the logistics chain: order the card, wait for delivery, hand it over, activate it. For a team that travels on short notice, that chain is the bottleneck.

A business eSIM removes the shipment. The profile is created in the platform and the employee scans a QR code, which takes under 60 seconds. For larger organisations, provisioning can run through the MDM: Jamf, Microsoft Intune and VMware Workspace ONE can distribute the activation link inside their own workflows, so a new phone arrives configured with its data profile. When an employee is onboarded, the eSIM profile can be provisioned through an API call before the travel booking is confirmed.

Offboarding is the other half. A physical card has to be collected, and cards that are never returned stay active until someone notices. An eSIM profile is deactivated from the portal the day the employee leaves.

Security and control

Travellers without reliable mobile data fall back on whatever WiFi is available: the hotel, the conference or expo hall, the airport lounge, the coffee shop or co-working space. These are shared, unmanaged networks that IT has no control over. Unencrypted traffic can be intercepted, credentials and session tokens can be captured, and a rogue access point can copy the name of the hotel network within minutes. Conferences bring together people from one industry in one place, which makes the guest network a ready-made target list. Hotels often run older, unpatched hardware without segmentation between rooms, and airports combine high volumes of users with little oversight.

A VPN protects traffic only while it is switched on, and that depends on the employee remembering it every time, on every device, after every reconnect. Under real travel conditions, with late arrivals, dead batteries and a meeting starting in five minutes, compliance drops.

A business eSIM removes that dependency. With reliable cellular data activated in 60 seconds by QR code before departure, the traveller has no reason to use public WiFi at all. A business SIM card delivers the same cellular path once it has arrived and been inserted. Operator networks are also structurally more secure than public hotspots:

• Carrier-level NAT blocks unsolicited incoming connections to the device.
• Carrier-grade firewalls filter traffic at infrastructure level.
• Licensed and regulated networks operate under national telecom law and oversight.
• No shared access point exists between users, so another guest on the same network has no path to the device.

Device-level control is where the two formats differ. A physical SIM card can be taken out of a company phone and put into a private device, where it keeps using the company’s data plan. A business eSIM can be bound to one device through IMEI locking, so the profile only connects in the device it was issued for. A lost or stolen device, with a card or an eSIM, is suspended from the portal within minutes. A replacement card then has to be shipped to wherever the employee is, while a replacement eSIM profile arrives as a QR code. On top of this, Weconnect business SIMs and eSIMs support a dedicated APN, fixed IP, URL filtering and IPsec VPN where company policy requires them.

All of this is active as soon as the device has signal, with no action needed from the employee. The full security picture is covered in our article on the most secure eSIM for business travel.

Cost control for travelling teams

The price per gigabyte is set by the plan, and a plan can run on either format. Cost control comes from how the subscriptions are managed, and there both formats can run on the same platform.

Through the Weconnect platform, IT and finance can set data limits per employee, department or region, build regional bundles around actual travel patterns, and let teams share data pools. Alerts warn before a limit is reached. Usage is invoiced on one consolidated invoice, broken down by traveller, department or cost centre. The rate for eSIM voor zakenreizen is a fixed price per GB across 195 countries, without billing zones, so a trip to Singapore is budgeted the same way as a trip to Munich. Weconnect SIMs and eSIMs support permanent roaming by default, as part of how the service is designed and contracted, so an employee posted abroad for months keeps the same connection and the same rate.

Where the money leaks with standard roaming, and how to stop it, is covered in our article on how to reduce roaming costs for business travel.

SIM-only business plans: where they fit

In the UK market, “SIM only business” refers to a business mobile contract without a handset: the company brings its own phones and pays only for the airtime, usually with a phone number, minutes and a domestic data bundle. For employees who mostly work in their home country and make a lot of calls, a SIM-only business plan from a domestic operator is often the logical base.

For employees who travel, the gap is abroad. Domestic SIM-only plans typically include roaming in a limited set of countries, with extra charges or fair-use limits outside that set. The common solution is a combination: the SIM-only plan stays in the phone for the number and calls, and a business data eSIM runs next to it for data abroad. Most eSIM phones handle both lines at the same time, with no configuration needed from the traveller.

Company SIM cards and eSIMs in one estate

Most companies end up with a mixed estate: eSIM for phones and tablets that support it, company SIM cards for hotspots, rugged devices and older models. That mix stays manageable when both formats sit in the same platform and on the same contract.

With enterprise eSIM management, physical SIMs and eSIM profiles are handled identically: activation, suspension, plan changes and decommissioning run from one portal, regardless of format or location. The platform uses a three-level structure of organisation, company and end user, which helps groups with several legal entities keep costs separated.

Which one should your team use?

• Frequent travellers with modern smartphones: business eSIM next to the domestic number.
• New hires and project teams deployed on short notice: business eSIM, provisioned before departure.
• Teams sharing a hotspot or travel router: business SIM card in the hotspot.
• Field staff with rugged devices: business SIM card, managed in the same platform as the eSIMs.
• Office staff who rarely travel: domestic SIM-only business plan, with an eSIM added for the occasional trip.

Checklist: rolling out business SIM cards and eSIMs

1. Map the devices. Export the device list and mark eSIM support per model.
2. Map the travel. Which employees travel, how often and to which regions.
3. Choose per group. eSIM, SIM card or a combination, based on the two lists above.
4. Set the policy. Data limits, regions and roles, written down in a corporate eSIM travel policy.
5. Connect the MDM. Distribute eSIM profiles through the existing device management where possible.
6. Clean up the drawer. Deactivate old cards that nobody can trace.

The full management approach for larger organisations is covered in our business travel eSIM management guide.

Veelgestelde vragen

What is a business SIM card?

A business SIM card is a physical SIM issued under a company contract and managed and billed by the company. It is used in employees’ phones, tablets, laptops or hotspots, and can carry calls, data or data only, depending on the plan.

Is a business eSIM better than a business SIM card?

For modern phones and tablets, a business eSIM is usually faster to deploy, easier to secure with IMEI locking and free of shipping and stock management. A business SIM card remains the right choice for hotspots, rugged devices and phones without an eSIM chip, and both can be managed in one platform.

What is a business data SIM?

A business data SIM is a SIM or eSIM that provides mobile data only, without a phone number. Travelling employees often use it next to their domestic SIM, which keeps handling calls and texts while the business data SIM covers data abroad.

What does SIM only business mean?

SIM only business is a business mobile contract without a handset, where the company uses its own phones and pays only for airtime. It suits employees who work mainly in their home country, and can be combined with a business data eSIM for travel.

Is a business eSIM more secure than public WiFi?

Yes. Hotel, conference and airport WiFi are shared, unmanaged networks where traffic and credentials can be intercepted. A business eSIM keeps the traveller on operator networks with carrier-level NAT, carrier-grade firewalls and no shared access point, adds IMEI locking and remote suspension, and is active as soon as the device has signal. More detail is in our article on the most secure eSIM for business travel.

How do companies manage many business SIM cards?

Through a central management platform where every SIM and eSIM is visible, with activation, suspension, data limits and alerts per user, department or region. Consolidated invoicing by cost centre replaces separate bills per operator and per country.

Volgende stappen

Weconnect supplies business SIM cards and business eSIMs on one contract, with multi-network access in 195 countries, permanent roaming by default, IMEI locking, private APN and central cost control per employee, department or region. Whether your team needs eSIMs for frequent flyers, cards for hotspots or both, we help you design the set-up that fits your devices and travel pattern. Start with our Zakelijke eSIM page. Challenge us with your connectivity requirements. Direct reactie binnen 4 werkuren.