GMS
Baar, Switzerland · Founded 2006 · private
Enterprise CPaaS and A2P messaging provider offering SMS, WhatsApp, Viber, RCS and email through a single API, plus messaging-hub and SMS-firewall services for mobile network operators.
messaging.dev Score
Overview
Company snapshot and where each provider is based.
| What it is | Enterprise CPaaS and A2P messaging provider offering SMS, WhatsApp, Viber, RCS and email through a single API, plus messaging-hub and SMS-firewall services for mobile network operators. |
| Founded | 2006 |
| Ownership | private |
| Employees | 500-1,000 |
| HQ city | Baar |
| HQ country | Switzerland |
Channels
Which messaging channels each provider can send and receive on.
| SMS | Yes |
| MMS | No |
| RCS | Yes |
| Yes | |
| Viber | Yes |
| Facebook Messenger | No |
| Telegram | No |
| Apple Messages for Business | No |
| Voice | No |
| Yes |
Developer Experience
How quickly a developer can sign up and send a first message.
| Self-service onboarding | No |
| Free developer credit | No |
| Docs quality | med |
| Documentation | https://developers.gms.net/ ↗ |
| SDKs | iOS (Swift), Android (Kotlin) |
| Sandbox / test env | No |
| API types | REST |
Data & Compliance
Data residency options and enterprise compliance certifications.
| EU data residency | Yes |
| US data residency | No |
| Choose region | No |
| GDPR | Yes |
| ISO 27001 | Yes |
| SOC 2 | No |
| HIPAA | No |
Data Retention
How long message content and metadata are stored, and whether that is configurable.
Not publicly documented in detail. GMS's privacy notice states personal data is processed under EU GDPR (Regulation (EU) 2016/679) and held at its Switzerland headquarters (recognized by the European Commission as providing an adequate level of data protection); no specific retention periods for message content or metadata are published. GMS also holds ISO/IEC 27701 (privacy information management) certification.
Pricing & Credits
Pricing model and the cost of a first message.
| Pricing model | Custom enterprise pricing negotiated with sales; no public self-service or per-message price list. |
| SMS starting price | Not published |
| Free developer credit | No |
Reach & Reliability
Global coverage and delivery dependability.
| Countries covered | 0 |
| Direct operator connections | Yes |
| Published uptime SLA | 99.99% network availability (claimed; no formal SLA published) |
Company & Trust
Independent reviews and company profile.
| G2 rating | 0.0 |
| G2 reviews | 0 |
| Ownership | private |
| Employees | 500-1,000 |
Sources
Public references used for the values above, pending GMS's confirmation.
- https://gms.net/about ↗
- https://gms.net/contacts ↗
- https://developers.gms.net/cpaas/sending-messages/ ↗
- https://www.gsma.com/membership/resources/global-message-services-ag-received-iso-9001-isoiec-20000-1-iso-27001-certificates/ ↗
- https://www.g2.com/products/global-message-services-gms-gms/reviews ↗
- https://github.com/orgs/GlobalMessageServices/repositories ↗
Migration guides
Moving away from GMS? Step-by-step guides: