The smarter way to send email.

One simple platform to manage your email signatures, email ad campaigns, sales insights, and compliance on Microsoft 365, Office 365, Exchange, and Google Workspace.

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Trusted by the world's leading brands

Reimagine Employee Email

Guard your brand. Grow your funnel.

Email Signatures

Get 100% consistent email signatures for every employee, on every device, every time.

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Ad Campaigns

Connect your CRM  marketing automation systems to launch targeted ad campaigns.

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Insights & Analytics

Give your sales team the power to read buyers' minds with the most advanced email tracking.

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Email Compliance

Bridge your customer data to ensure every email complies with GDPR, CCPA, CASL, and more.

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Enable Every Brand Builder

Elevate the channel you already own.

Drive the experience and empower your brand, marketing, sales, and compliance teams.

Sales & Account Insights

Understand how prospects interact with your emails and deliver more effective follow-up.

IT & Brand Marketing

Enforce signature standards across your entire company without the hassle.

Growth & Event Marketing

Capitalize on your best audience and drive conversions in a channel that gets over 5% CTR.

Legal & Compliance

Ensure compliance across all regional and industrial regulations at both the sender and recipient level with adaptive compliance.

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What are others saying about Opensense?

Read why the world's most advanced marketing & sales teams use Opensense as their preferred email signature, marketing, sales, and compliance solution.

"Opensense provides a level of professionalism that comes with having a bonafide, fortified email signature where nothing can be misconstrued. You have all the power to fix or unfix an email signature for thousands of people with a click of a button. It's a game-changer, especially for a customer-facing industry like ours”

Sanford Tantleff

Senior Business Systems Analyst at CMG Mortgage, Inc.
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“Opensense drives people towards our initiatives, our outreach, our ad campaigns and our websites. And it saves many hours of time we would otherwise have to spend distributing and installing signatures on staff smartphones and laptops."

Laura Vinci

Director of Association Technology Services at the NAR
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"Overall, we are delighted we made the switch. No matter how big our team continues to grow, managing our team's signatures will not be an issue for us - in fact, they look even better than the ones we had before. Our team has the peace of mind that with Opensense, we don't ever have to worry about email signatures again.”

Brent Schapman

Systems Administrator at UWM
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“The scalability across devices and platforms is excellent. We always know that the person receiving our emails is getting the right signature and seeing a nice banner."

Laura Vinci

Director of Association Technology at NAR
Read case study

We comply with global data protection and security frameworks.

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AICPA SOC2 Compliant

Detailed annual SOC 2 audits are performed on our controls and processes, the "gold standard" for security, integrity, confidentiality, reliability, and privacy controls.

McAfee Enterprise Ready Certified

As a leading antivirus offering, McAfee’s suite of security features offers businesses the best protection from all types of malware threats. McAfee’s ratings are qualified as completely objective.

Independent Security Audits

We engage trusted, world-class, third-party security firms to conduct routine audits and penetration testing of the Opensense service and infrastructure.


The most powerful, reliable, and secure solution on the market.

Active Directory, Office 365, and Google Workspace integrations keep email signatures consistent, up-to-date, and always in compliance.

Connect the most critical components of your tech stack to deliver an email experience that serves marketing, sales, and compliance goals.

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World Class Customer Service

Service that speaks for itself.


24/7 Support

24/7 US-based phone & email support

High-Touch Service

Dedicated Customer Success Managers & Technical Contacts

Quick Response

Maximum 4 hour email response time