Make the most of every email your employees send

Exclaimer – complete email signature management solution.
Design, deploy, and manage company email signatures all in one place and unlock a powerful marketing channel.
Exclaimer transforms everyday emails into a valuable platform to drive sales and build stronger relationships


Exclaimer protects your data with encryption in transit and at rest, provide Microsoft and Google sign-in options for SSO, enforce MFA, and conduct security scanning during our development and on our infrastructure.


Exclaimer is designed from the ground up to run on the cloud, making use of cutting-edge technologies to ensure high performance and availability no matter the scale of your organization.


Exclaimer is committed to helping you mitigate governance risks. We undergo extensive, independent auditing to achieve certifications and attestations of compliance against standards including SOC 2 Type II, ISO 27001, ISO 27018, Cyber Essentials, and more.

Trusted by 50,000+ organizations

Powerfully simple, secure, and trusted by global brands for over 20 years, Exclaimer’s solutions enable your entire business to benefit from the full potential of the email signature. 

Save time, simplify work, and achieve more

Create branded email signatures in minutes with our intuitive drag-and-drop designer. Customize them with additional content such as banners, social media icons, and 1-click surveys.

This powerful, simple and secure email signature platform allows:

How does Exclaimer work?

Exclaimer integrates seamlessly with all major email environments, including Office 365, Google Workspace (G Suite) and Microsoft Exchange.
Office 365 logoo

Automatically add signatures to every Office 365 email with Exclaimer’s email signature software.

Get more out of Gmail email signatures by choosing Exclaimer’s email signature management software.

Exclaimer gives your users professional, consistent, and legally compliant Exchange signatures across all devices.

Join 50,000+ organisations growing with Exclaimer