Customer Communications
Discover the most effective communication channels to boost engagement, conversions and loyalty.
One portfolio for every customer conversation
Connect with customers across leading messaging channels through the GMS Communication Platform or integrate desired channels directly into your existing systems with Communication APIs.
From engagement and conversion to customer support, GMS gives you the flexibility to build communication journeys around your business needs.
Communication built for enterprise scale
Reach customers across the right channels, create more connected journeys and build a communication setup that grows with your business.
Reach customers globally
Connect across markets and communication channels through GMS’s extensive mobile ecosystem and direct operator relationships.
Communicate reliably
Support everything from everyday notifications to high-volume customer engagement on resilient infrastructure built for enterprise communications.
Choose proven expertise
Partner with a communications expert trusted by enterprises worldwide and recognised across the global telecom industry.
GMS Communication Platform
Manage customer communications across channels in one place
GMS platform is designed to empower you to deliver seamless, consistent, and impactful communication across channel customers prefer.
Whether you're sharing promotions, sending transactional updates, or engaging in two-way conversations, our platform ensures your messages reach the right audience at the right time.
Communication APIs
Streamline your communication with a single integration
Say goodbye to complex integrations and hello to streamlined messaging. Engage in communication through SMS, WhatsApp, Viber, and more - all through one secure, reliable connection designed for simplicity and scale.
Focus on building meaningful relationships, not managing multiple systems.
Why our Clients
Choose Us?
Prostor Boosts Website Traffic by 30% with Viber Carousel Messages
Prostor, a beauty and personal care chain with 470 stores in Ukraine, used Viber Carousel Messages by GMS to showcase multiple promotions in a single message — driving a 30% increase in website traffic and a 4% growth in purchase conversion rate.
"Viber Carousel Messages proved as direct driver of sales and customer engagement"
Nataliia Srednya, Marketing Director, ProstorUkraine’s Largest Pharmacy Chain Boosts Marketing Results by 243%
Leading pharmacy chain in Ukraine, Podorozhnyk, achieved exceptional results by using GMS' Viber Business Messages and Chatbots to effectively drive customer engagements and enable in-app ordering — achieving growth of 90% of online sales.
"You can now place an order directly within Viber app"
Viacheslav Sauts, Marketing Director, PodorozhnykSwiss healthcare clinic achieves a 30% increase in operational efficiency
A private chain of ambulatory clinics in Switzerland uses Communication APIs from GMS to send appointment reminders via SMS. It helped them reduce customer no-shows by 30% and increase overall satisfaction.
"GMS supports in whatever way required to ensure a smooth integration and service"
Laura Merz, Marketing and Communications, OphtalvisionMake the best of the most popular communication channels in the world
Your strategic partner
Backed by direct connections to 275+ mobile network operators, strategic partnerships, and 20 years of telecom expertise, we help businesses engage customers, strengthen trust and scale with confidence.
9/10
customers are highly satisfied
ISO
ISO/IEC 27001 and ISO 9001 certification
20
years of industry leadership
700+
enterprise customers
8bn
messages exchanged
Ready to transform the way you connect with customers?
Discover how GMS can help you engage, verify and protect customers across every critical interaction.