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Sinch
Communications Platform

Sinch Company Overview

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Sinch

● Active
Communications Platform · Stockholm, Sweden · Est. 2008
CPaaSCloud CommunicationsSMS↗ Website
$1.1B
Valuation
$485M
Revenue
4k+
Employees
2008
Founded

Sinch is a global cloud communications platform that enables businesses to engage customers through SMS, voice, email, and rich messaging channels via APIs and no-code tools. It serves over 150,000 businesses worldwide — including major banks, retailers, and healthcare providers — powering customer authentication, marketing campaigns, and conversational AI interactions at massive scale.

Recent Press
5 items
Press Release·2026-02-10
Sinch RCS Messaging Volume Surges 260% Year-Over-Year as Next-Gen Messaging Scales
Sinch reported that Rich Communication Services (RCS) messaging volume grew 260% year-over-year in 2025, establishing RCS as a key growth engine alongside AI-powered conversational messaging for enterprise customers globally.
Press Release·2026-02-10
Sinch Reports Record Q4 2025 Profitability with 35% Gross Margin and 14% EBITDA Margin
Sinch achieved record-high Q4 2025 profitability with gross margin expanding to 35% and adjusted EBITDA margin reaching 14%, already meeting its 2027 target range ahead of schedule, on full-year net sales of $3 billion.
Press Release·2025-12-10
Sinch Repurchases 8.8% of Outstanding Shares, Prioritizing Capital Returns in 2026
Sinch repurchased 8.8% of its outstanding shares and sought shareholder approval to cancel them, with the board prioritizing additional buybacks up to 10% over M&A as the company focuses on margin expansion and free cash flow generation.
Partnership·2025-11-20
Sinch Partners with Lovable to Power Communications for AI-Native Applications
Sinch announced a strategic partnership with Lovable to provide communication infrastructure for AI-native application development, enabling developers building AI-first products to integrate SMS, voice, and messaging through Sinch APIs.
Product Launch·2025-10-15
Sinch Launches Agentic Conversations Platform for AI-Powered Customer Engagement
Sinch expanded its platform with agentic conversations, enabling enterprises to deploy AI-powered customer engagement flows that combine messaging channels, AI agents, and automation for intelligent, multi-turn customer interactions.
Company History
8 milestones
Sinch was founded in Stockholm, Sweden as CLX Communications, initially providing wholesale SMS termination services to telecom operators. The company focused on building direct carrier connections across Europe.

Sinch Organization Structure & Team

Org Chart
4,000 employees · Click a leader to explore their team
2,800 across 12 departments
Chief Executive Officer
Laurinda Pang
Roshan Saldanha — Departments
· 2800 people across 12 depts

Sinch Financials, Revenue & Market Share

Annual Revenue
$485M
+6% vs prior year
YoY Growth
+6%
From $380M to $485M
Revenue / Employee
$113K
Annual revenue per full-time employee
Revenue Growth
2021
2022
2023
2024
2025
$380M
$420M
$430M
$457M
$485M
Market Share
Global CPaaS Market
5%
share
Sinch
5%
Twilio
22%
Vonage (Ericsson)
12%
Bandwidth
8%
Infobip
7%
$90B
TAM
$22B
SAM
$450M
SOM
Revenue Streams
Cloud Messaging (SMS/RCS)58%
Voice and Video18%
Email API14%
Conversational AI and Campaigns10%
Business Units
Cloud Communications (CPaaS)72%
Core API platform business covering SMS, RCS, voice, and conversational messaging products used by 150,000+ enterprise and developer customers globally.
Email Infrastructure14%
Mailgun and Mailjet email delivery APIs and SMTP services, serving high-volume transactional and marketing email use cases for SaaS companies and enterprises.
Conversational Engagement14%
CustomerDeck no-code chatbot builder, campaign management, and WhatsApp Business Platform tools enabling non-technical teams to build omnichannel customer journeys.

Sinch Internal Tools & Processes

Internal Tools
12 departments
Engineering1100 people · 3 roles
Standards & Certifications
10 standards
Compliance frameworks, security audits, and quality certifications this company maintains.
Security
SOC 2 Type II
Certified
Sinch maintains SOC 2 Type II certification across its cloud messaging and email infrastructure, providing enterprise customers with independent assurance that Sinch's controls for security, availability, and confidentiality meet AICPA trust service criteria.
Security
ISO 27001
Certified
Sinch's information security management system is certified to ISO 27001, covering its global CPaaS platform, carrier interconnects, and data processing operations to ensure systematic protection of customer communications data.
Privacy
GDPR
Compliant
Sinch operates as both a data controller and data processor under GDPR for European customers, maintaining data processing agreements, EU-based data residency options, and privacy-by-design messaging infrastructure in compliance with EU data protection law.
Privacy
CCPA
Compliant
Sinch complies with the California Consumer Privacy Act for its US-based customers and end users, providing data subject request handling, opt-out mechanisms, and privacy disclosures for messaging and email services delivered to California residents.
Privacy
HIPAA
Compliant
Sinch offers HIPAA-compliant SMS and voice communications services for healthcare customers, executing Business Associate Agreements and ensuring that patient communications data transmitted over Sinch infrastructure meets HIPAA safeguard requirements.
Security
PCI DSS
Certified
Sinch is PCI DSS certified to support payment-related SMS use cases including transaction authentication OTP and payment notification messaging for banks, payment processors, and e-commerce customers handling cardholder data.
Regulatory
CTIA Messaging Principles
Compliant
Sinch adheres to CTIA Messaging Principles and Best Practices for A2P SMS in the United States, enforcing 10DLC campaign registration, opt-in and opt-out handling, and message content filtering to protect consumers from spam and unwanted messaging.
Regulatory
STIR/SHAKEN
Compliant
Sinch implements STIR/SHAKEN caller authentication for its cloud voice services in the US, digitally signing outbound calls to reduce spoofed caller ID and comply with FCC mandates protecting consumers from robocall fraud.
Quality
ISO 9001
Certified
Sinch holds ISO 9001 certification for its quality management systems governing CPaaS platform operations, API development, and carrier interconnect management, ensuring consistent service delivery and continuous improvement processes.
Security
SOC 3
Certified
Sinch publishes SOC 3 reports for its cloud communications platform, providing publicly available assurance of security and availability controls to enterprise procurement teams evaluating Sinch as a critical communications infrastructure vendor.

Sinch Interview Preparation

Interview Prep
Role-specific interview questions and keywords. Select a department, then click any role to prepare.
Engineering· 3 roles

Sinch Products & Competitors

Product Suite
5 products · select one to explore
Communications Platform
Messaging API
Sinch Conversation API
One API for All Your Business Messaging Channels

Sinch Conversation API is a unified omnichannel messaging API that enables enterprises to send and receive messages across SMS, RCS, WhatsApp Business, Viber, Line, and web chat through a single REST integration. It handles channel fallback logic, message status callbacks, and contact management automatically, eliminating the need for separate API integrations per channel.

Use Cases
Sending transactional OTP and delivery notifications across SMS with automatic RCS fallback for supported devices, maintaining a single integration point for both channelsBuilding a WhatsApp Business customer service workflow where inbound messages route to Sinch CustomerDeck chatbots and escalate to human agents via the same APIOrchestrating multi-channel marketing campaigns that send WhatsApp messages first and fall back to SMS for non-WhatsApp subscribers based on real-time channel availability
No image
Key Customers
KLA
Klarna
BOLT
Bolt
DHER
Delivery Hero
Competitive Intelligence
VSTwilio Programmable Messaging
THEM

Twilio Programmable Messaging is a cloud API platform for sending SMS, WhatsApp, and MMS messages globally, offering programmable two-way messaging with webhooks and a large developer ecosystem.

EDGE

Broader native channel support including RCS and deeper direct carrier network ownership covering 190 countries

VSVonage Messages API
THEM

Vonage Messages API (now part of Ericsson) is a multi-channel messaging API supporting SMS, WhatsApp, Viber, and Facebook Messenger with unified authentication and message dispatch.

EDGE

More extensive carrier direct connections and superior message delivery rates in emerging market regions

VSInfobip Omnichannel
THEM

Infobip Omnichannel is a cloud communications platform offering APIs and no-code tools for SMS, WhatsApp, email, and voice messaging used by enterprises and mobile operators globally.

EDGE

Stronger European compliance coverage and native RCS Business Messaging support across more carrier markets

Related Companies

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Bandwidth
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Bandwidth is a cloud-native communications platform and licensed US carrier that provides voice, messaging, and 911 services to enterprises and UCaaS providers through owned telecommunications infrastructure. Unlike software-only CPaaS vendors, Bandwidth owns and operates its own nationwide network, giving customers direct-to-carrier quality and pricing for SIP trunking, programmable voice, toll-free, and A2P SMS services.