Esendex, the business SMS experts, provide companies around the world with a fast, reliable and cost-effective way of keeping in touch with their customers and staff. In addition to our UK office in Nottingham, we have offices in Spain and Australia.

What we do

With direct connections to all the mobile networks and a highly reliable in-house SMS platform, we provide high quality, mission-critical business messaging systems to the likes of Ocado, Virgin Media and Gatwick Airport.

Our services

We provide a portfolio of services that enable the sending and receiving of SMS via our API, web or email services.


Our SMS API allows you to automate the sending and receiving of SMS messages by integrating SMS services directly with your business applications, systems or websites.

Send SMS online with Echo

Echo is a straightforward and powerful tool that will enable you to send and receive SMS online in minutes. Our web-based solution is ideal if you need to send messages to multiple contacts or groups.

Send SMS via Email with Echo for Email

Echo for Email offers seamless integration with your existing email application and allows you to send and receive SMS directly from your email account.

Fast facts

  • ISO 27001 accredited company, a worldwide recognised standard for information security.
  • Our Feefo customer service rating was 100% over 2013.
  • Recognised as being in the Sunday Times Tech Track ‘Ones to Watch’.