German Infrastructure
5G Ready
ISO 27001
eSIM in 5 min
EU Roaming

B2B Mobile Connectivity,
Reimagined

Manage mobile tariffs, employees, and SIM cards in one platform. Seamlessly integrated with enterprise cloud infrastructure.

10,000+
Active B2B Customers
500K+
SIM Cards
99.9%
Uptime SLA
4.8
Customer Rating
1
Tariff
2
Configure
3
Company
4
Terms
5
Processing
6
Complete
Step 1 of 6

Select Your Tariff

Choose the plan that fits your organization

Starter

For small teams and startups
14.99 EUR / month
per SIM, plus one-time setup fee of 9.99 EUR
5 GB
Data
100 min
Voice
50 SMS
Messages
DE
Coverage
  • 5 GB high-speed data (LTE/5G)
  • 100 minutes domestic calls
  • 50 SMS domestic
  • Domestic roaming included
  • eSIM ready
  • Self-service portal
Popular

Business

For growing organizations
29.99 EUR / month
per SIM, no setup fee
20 GB
Data
Unlimited
Voice DE
Unlimited
SMS
EU
Roaming
  • 20 GB high-speed data (LTE/5G)
  • Unlimited domestic voice calls
  • Unlimited SMS
  • EU roaming included
  • Multi-SIM management
  • Priority support
  • Usage reports and alerts
Premium

Enterprise

For large organizations and enterprises
49.99 EUR / month
per SIM, no setup fee
Unlimited
Data
Unlimited
Voice EU
Unlimited
SMS
Global
Roaming
  • Unlimited data volume
  • Unlimited voice calls EU-wide
  • Unlimited SMS
  • Global roaming
  • Multi-SIM and pool management
  • Dedicated account manager
  • SLA 99.9% availability
  • API access and integration
  • Cloud infrastructure included
Step 2 of 6

Configure Your Plan

Customize the settings for your organization

Plan Configuration

eSIM is activated instantly via QR code
Shorter term equals higher monthly price
Volume discounts available from 10 SIMs
Global includes USA, UK, Switzerland, Turkey
Step 3 of 6

Company Details

Please fill in all required fields

Organization Information

All required fields are marked with an asterisk

Step 4 of 6

Terms & Conditions

Please review and accept all terms to proceed

Agreements

All four agreements must be accepted before submission

I accept the Terms and Conditions (AGB)
I accept the Privacy Policy (Datenschutzerklarung)
I consent to the credit check via Creditreform
I accept the STACKIT data processing agreement
Step 5 of 6

Processing Your Application

Please wait while we set up your account

Orchestrating services in the background...

Registration Complete

Your B2B mobile connectivity plan has been provisioned successfully. You will receive a confirmation email shortly.

Platform

Enterprise-Grade Features

Built for reliability, scalability, and security

eSIM in 5 Minutes

QR code delivered directly in the portal. No physical SIM required. Instant activation.

Real-Time Monitoring

Track data usage, costs, and roaming live. Automated alerts and threshold controls.

Employee Management

Manage teams, groups, and permissions centrally. Self-assignment capabilities.

Cloud Integration

Seamless single sign-on between mobile portal and cloud infrastructure.

Support

Frequently Asked Questions

How quickly is the eSIM activated?
The eSIM is activated within 5 minutes after successful registration. You will receive the QR code via email and directly in the B2B portal.
Can I switch tariffs during the contract term?
Yes, tariff changes are possible at any time. Upgrades take effect immediately, downgrades apply at the next billing cycle.
What happens when data volume is exceeded?
You receive automatic alerts. Optionally, you can purchase additional data packages or upgrade to Unlimited. No additional charges occur without your confirmation.
Is cloud infrastructure included in the tariff?
The Enterprise tariff includes cloud infrastructure credits. For Business and Starter plans, cloud services can be booked separately. Seamless single sign-on is available for all tariffs.
How does the credit check work?
We use Creditreform for automated credit checks. Results are determined within seconds and influence immediate activation approval.

Setting Up Your Account

Creating customer in CRM
Running credit check via Creditreform
Performing e-ID verification
Registering STACKIT account
Setting up individual B2B portal (creating URL)
Provisioning mobile contracts via 1GLOBAL