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250ok

This company develops email intelligence software that provides deliverability analytics and sender reputation monitoring for marketers and large enterprises.

Validity

This company provides data integrity and email deliverability software to help businesses manage customer data and improve digital marketing engagement.

Marketo

This company develops marketing automation software for business-to-business customers to manage lead generation, email campaigns and account-based marketing activities.

ExactTarget

This company provides a cloud-based marketing platform for businesses to manage digital communications across email, mobile, social media, and web channels.

Silverpop

The company provides cloud-based marketing automation and email tools to help business-to-business and business-to-consumer organisations deliver personalised customer engagements.

ResponseTap

This company develops call tracking and analytics software for marketers to link website journeys with phone conversions and optimize advertising spend.

Repro

This company develops marketing automation software and site speed optimisation tools for businesses to manage customer engagement across mobile apps, websites, and email.

SendGrid

This company provides a cloud-based email delivery platform for businesses to send transactional and marketing messages to their customers.