Top 15 Business Instant Messaging Software Companies With $5M–$10M Revenue (August 2026)

Melbourne, Victoria, Australia

ClickSend is communications software for businesses and developers. We offer SMS, MMS, Voice, Online Mail, Email and Fax — to help you talk to the people who matter. We’re powered by our talented team of 100+ people who work in Australia, The Philippines, England, America, Vietnam and beyond. Our tools are used by some of the most trusted brands, organisations and developers globally. Because they’re simple to use, automate and integrate. ClickSend offers helpful 24/7 support, and lightning-fast delivery via a secure and reliable platform. Our customers send messages via our Dashboard, mobile app, flexible API or integrations. From small business to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved. ClickSend is proudly part of Sinch, the Customer Communications Cloud. For more details, visit: Website: www.clicksend.com or open a free account here: https://clicksend.com/signup

Radnor, Pennsylvania, United States

Developer of a customer messaging network designed to render better communication. The company's customer messaging network delivers service alerts to customers, enabling businesses to connect with people through a private and secure messaging application.

Paris, Île-de-France, France

AI Empowered 1:1 coaching in MS Teams or Slack. Launch human or AI based coaching programs instantly.

United States

Dexatel is a leading provider of business messaging and communications solutions that enable businesses to create exceptional customer interactions to connect better and sell more. Dexatel simplifies the communication process by providing a range of solutions that impact growth, customer experience, and security. It plugs straight into your technology infrastructure for full access to hard-won data. With a reliable and scalable platform, Dexatel ensures an easy, secure, and cost-efficient cloud environment. Founded in 2015, Dexatel is an employee-owned company committed to powering tailored interactions between businesses and their customers. With 24/7 world-class customer service, award-winning solutions, and affordability, Dexatel makes customer journeys memorable. A leader in CPAAS, Dexatel’s customers include Alibaba, Shopee, Tencent, and TikTok.

San Francisco, California, United States

Empower your team across Slack and Microsoft Teams to instantly send and receive SMS, WhatsApp, and 2FA codes. Bring real-time, multiplayer communication to your customer base with instant messaging capabilities. Connect your number (or grab a new one!), sync your contacts (check out our integrations!), start collaborating. Eliminate the need for outside platforms and enjoy consolidated communication.

Sydney, New South Wales, Australia

Kudosity is a messaging technology company that has been at the forefront of innovation for more than 20 years. With a focus on humanising business through conversation, Kudosity empowers businesses to build meaningful relationships with their customers through frictionless messaging experiences. Kudosity offers a range of capabilities, including global messaging and connectivity access, Software-as-a-Service (SaaS) messaging platforms with advanced contact, and campaign management alongside limitless automation to empower businesses to communicate at scale while maintaining a personal touch. We are on a mission to make business more human by building lasting relationships with people through the power of conversation.

Amsterdam, North Holland, Netherlands

Communication between people and businesses is changing forever, and messaging will play a central role today and for years to come. Convergence of social and mobile is shaping customer behavior and expectations. They ask things right now, right here. Jetlink brings the "Power of Now"​ with omnichannel messaging and sophisticated enterprise chatbots to your enterprise. We believe this is the revolution in commerce and customer support. Jetlink allows you to deliver delightful conversational sales & support experiences where your customers already are. Jetink is positioned as the A.I. powered central communication platform for the customer touch points such as Web chat, IVR, social messaging apps, Facebook Messenger, Whatsapp, Skype, Slack, Teams and, in-app messaging. We strive to be the value creator partner bringing success to communication with your customers personally, at scale.

Saint Louis, Missouri, United States

Developer of a carrier-grade texting platform designed to provide landline and toll-free texting services. The company offers direct network connectivity and intuitive cloud-based software with an enterprise-grade API and allows businesses to use any computer or mobile device for securely and reliably reaching their customers, enabling businesses to boost workplace productivity by supporting real human conversations at scale across any device.

Los Angeles, California, United States

Textline is a business texting app that lets you text message customers from your computer. SMS is the most convenient communication channel for your team.

Denver, Colorado, United States

Developer of a communication platform designed to provide voice, video and text chat for website and mobile applications. The company's platform allows users to share pictures, collaborate together with write-boards, broadcast videos, play games and a lot more while maintaining their privacy, enabling clients to create chatting applications or make use of ready-to-use chat plugins for their app or website.