English Eesti (Estonian) Latviešu (Latvian) Lietuvių (Lithuanian) Polski (Polish) Español (Spanish) Deutsch (German) Français (French)

We enrich and harmonise your access infrastructure

One Platform for Mobile Access

Connect to your existing access control systems and enable secure mobile credentials without replacing hardware. Manage, grant, and revoke access in real time through one cloud platform

Request a demo Discover more

Partners and Integrations

  • Ülemiste City
  • G4S
  • LHV Pank
  • Uhlmann & Zacher / ASSA ABLOY
  • Apple iOS
  • Android
  • HID
  • Inner Range
  • ICT Protege
  • Elisa
  • iLOQ
  • Cramo, part of Boels Rental
  • Lukucentrum
  • Head Solutions
  • Rokturis
  • Zenexim
  • Access Automation New Zealand (AANZ)
  • Dan Automatik
  • Kam-bell
  • LukuKaubad
  • Alarm Express Service
  • Alarm Automatika

G4S Europe Partners with Smart MasterKey

A reseller agreement covering 21 European countries enables G4S organisations to offer Smart MasterKey’s mobile access to their customers.

G4S, an Allied Universal company, is a global security and facility services provider. In Europe, G4S operates across 21 countries with more than 46,500 employees, providing services ranging from security personnel and monitoring to technical and integrated security solutions, now including cloud-based mobile access.

Read more: Smart MasterKey Signs European Reseller Agreement with G4S

Ülemiste City Starts with Smart MasterKey

The adoption of mobile key solutions illustrates the district’s vision of integrating digital solutions for modern urban living and working.

Ülemiste City is a modern district located on the territory of the old Dvigatel factory in the immediate vicinity of Tallinn Airport. Ülemiste City houses a large number of innovative enterprises and its aim is to develop the 30-hectare Smart City into the largest knowledge- based economic environment in the Baltic countries.

Read more: Smart MasterKey is part of Ülemiste City’s success stories

Trusted by Professionals Like You

“Mobile access is becoming an increasingly important part of modern security and building management. Our cooperation with Smart MasterKey gives G4S an opportunity to bring secure, flexible and easy-to-manage mobile credentials to our customers across Europe, while building on their existing access control infrastructure. The framework agreement provides a solid foundation for our local G4S businesses to introduce these capabilities in their respective markets.”

Erik DeleersnyderRegional Technology Solutions Development Director, G4S Europe & Middle East

“Mobile access is a natural next step in the evolution of access control. This pilot allows us to evaluate how smartphone-based credentials can improve user experience, simplify operations, and create new value for our customers.”

Artur AunapuDirector of B2B Division G4S Estonia

“At Ülemiste City, we are dedicated to improving tenant experience and supporting sustainable innovation. Our Test City program is meant to pilot new technologies and service models that align with our vision of a smart and sustainable urban environment. Testing mobile key access fits well into the program because it allows us to explore digitalising daily operations, while also reducing environmental impact,”

Sten PärnitsCEO of Mainor Ülemiste City

“Smart Masterkey has brought clear simplicity and flexibility to our daily access management. The solution integrates well with our identity management and provides convenient mobile access for both employees and visitors. The collaboration has also been fast and professional, which is exactly what you expect from a technology partner.”

Ats AlbreCEO, Nortal

Products

01

Mobile Access

Unlock mobile access without any hardware installation or replacement. Learn More
Two people managing access in the Smart MasterKey admin portal
02

Access Management

Manage access efficiently for your staff and tenants across all spaces. Learn More
Smart MasterKey analytics dashboard on a laptop
03

Analytics

Get real-time insights about access usage and patterns. Learn More
A white-labelled Smart MasterKey sign-in screen on a tablet
04

White-label

Co-branded or full white-label options to deliver mobile access in your brand. Learn More

Customer and User Country List

Smart MasterKey is established across Europe and continues to expand globally. Adoption outside Europe shows increasing demand for secure mobile access that works with existing infrastructure without new hardware.

Europe

  • Austria
  • Bulgaria
  • Croatia
  • Denmark
  • Estonia
  • Finland
  • Germany
  • Latvia
  • Lithuania
  • Netherlands
  • Norway
  • Romania
  • Slovenia
  • Spain
  • Sweden
  • United Kingdom

Asia Pacific

  • Australia
  • New Zealand
  • India
Contact us

Connecting Access Ecosystems

We enrich existing access infrastructure with Smart Master Keys without additional need for hardware and reducing the carbon footprint.

Smart MasterKey turns your phone into a universal key. It adds mobile access to legacy and modern systems without new hardware. You get fast provisioning, strong security, and central control that lowers costs and protects your setup.

Contact us
Smart MasterKey at the centre of Integrated Security System, Readers, Active Directory, Smart Access, Management Dashboard and Visitor Management

Stronger sign-in, simpler access

Give every user a secure and simple way in with multi-factor authentication, single sign-on, SCIM provisioning, email sign-in codes and passkeys.

Let your team sign in with the accounts they already use, including Microsoft, Google and Okta. SCIM provisioning adds and removes users automatically as your directory changes, so access stays accurate when people join or leave. Add an extra verification step with multi-factor authentication, or go passwordless with passkeys using face, fingerprint or PIN.

Read more: From Identity to the Door: Entering Identity-Driven Physical Access Contact us

Connected Ecosystems

All your buildings.
One app.

Works with the access control systems you already have.

Smart MasterKey connects with Inner Range, HID, ICT Protege, iLOQ, Uhlmann & Zacher and more. Keep your current infrastructure in place and move your team to mobile access across every site, without disrupting day-to-day operations.

Get in touch

Security Built In - GDPR compliance & ISO 27001 principles

Smart MasterKey aligns with GDPR requirements and follows ISO 27001 principles in access control, data handling, and system security. Security and compliance are embedded in our architecture, aligned with Zero Trust principles and a data minimisation philosophy.

GDPR ISO 27001 Zero Trust Data minimisation

Blog

The Smart MasterKey blog shares practical insights on mobile access, smart building technology, and modern security management. You will learn how organisations replace physical keys, simplify access management, and improve security across buildings and workplaces.

View more

Let's get connected

We’d love to hear from you!

Whether you’re a property owner, tenant, or investor, your goals drive our innovation. Have questions, collaboration opportunities, or need intelligent solutions for your property? Our team is ready to deliver.

Let’s Start the Conversation:

  • Quick Connect: Fill out our “Let’s Connect” form for direct access to property management specialists.

  • Email: support@smartmasterkey.com

We prioritize personalized strategies and rapid responses—because every inquiry is a chance to redefine what’s possible in commercial real estate.

Your success starts with a conversation—let’s build it together.

The form could not be loaded. Please email us at support@smartmasterkey.com.