Do more with our platform to get the most out of your
Email.
Ad Campaigns.
Sales Outreach.
Connections.
Brand.

The only platform that brings together your email signatures, email ad campaigns, digital business cards, sales data, and email compliance—so you can turn brand moments into business outcomes. Fully integrated with Microsoft 365, Exchange, GCC High and Google Workspace.

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Opensense dashboard interface displaying centralized email signature management and brand consistency controls Teal decorative accent lines used in Opensense branding and design Opensense G2 Winter 2026 awards for Leader, Best Meets Requirements, and Best Results in email signature management
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What is Opensense?
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Over 300+ reviews on
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Trusted by the world's leading brands
G2 logo - enterprise email signature platform customer American cancer society logo Salesforce logo HCL logo Qualtrics logo Five9 logo Calm logo Bombas logo Califia Farms logo Mattress Firm logo UWM logo - enterprise email signature solution customer CrossCountry Mortgage logo Fisher Investments Logo US Anesthesia Partners logo SAP logo Realtor logo Rate logo - enterprise email signature solution customer Rawlings logo Nextiva logo Qualys logo User Testing logo Badger logo GBH logo Phoenix Suns logo - professional email signature solution customer PMC logo - enterprise email signature platform customer Sandals logo Pennymac logo Box logo 1Password logo Tampa Bay Buccaneers logo Nextroll logo NBA logo Dow Jones logo Acronis logo GitLab logo
G2 logo - enterprise email signature platform customer American cancer society logo Salesforce logo HCL logo Qualtrics logo Five9 logo Calm logo Bombas logo Califia Farms logo Mattress Firm logo UWM logo - enterprise email signature solution customer CrossCountry Mortgage logo Fisher Investments Logo US Anesthesia Partners logo SAP logo Realtor logo Rate logo - enterprise email signature solution customer Rawlings logo Nextiva logo Qualys logo User Testing logo Badger logo GBH logo Phoenix Suns logo - professional email signature solution customer PMC logo - enterprise email signature platform customer Sandals logo Pennymac logo Box logo 1Password logo Tampa Bay Buccaneers logo Nextroll logo NBA logo Dow Jones logo Acronis logo GitLab logo

Reimagine Employee Email

Guard your brand. Grow your funnel.

Beautiful Email Signatures

Ensure every email signature is a perfect reflection of the brand you've worked so hard to build.

Email Ad Campaigns

Drive better conversions to specific audiences with our highly-targeted dynamic banners and messaging.

Email Insights & Analytics

Give your sales team the power to read buyers' minds by tracking every open, click, and view, including video replays.

Email Compliance & Security

Dynamically add the proper legal disclaimers to ensure your emails comply with regional, national, and state laws.

Digital Business Cards

Your brand in every scan. Turn every in person interaction into a measurable, high impact brand moment.

Empower your brand in every email.

Manage email signatures, run targeted campaigns, and safeguard compliance—all from a single platform.

Brand compliance Standardize email signatures and digital business cards for unified branding across all communications
Email Compliance Comply with CAN-SPAM, GDPR, CASL, CCPA, and other regulations automatically
Fortify your email with SPF Proxy, DKIM Signing, and other security measures Email security
Track email engagement to understand buyer behavior Email insights and analytics
Leverage employee emails as an ad space that complements your existing campaigns Email signature marketing Opensense integrations with Salesforce, HubSpot, Marketo, Outreach, and other platforms

Brand Compliance

Unify your brand across every touchpoint
Unify your brand across every touchpoint. Standardize email signatures and digital business cards for unified branding across all communications, reinforcing your brand identity with every email.

Email Signature Marketing

Turn employee emails into a marketing channel.
Leverage employee emails as an ad space that complements your existing campaigns. Drive brand awareness, engage your audience, and promote initiatives with every email.

Email Compliance

Stay compliant and build trust.
Comply with CAN-SPAM, GDPR, CASL, CCPA, and other regulations automatically. Protect your brand’s reputation with built-in compliance.

Email Insights & Analytics

Gain actionable insights from every interaction.
Track email engagement to understand buyer behavior. Equip your sales team with data to know when and how to follow up, helping you close more deals.

Email Security

Protect your Brand from email-based threats.
Fortify your email with SPF Proxy, DKIM Signing, and other security measures. Enhance deliverability, prevent spoofing, and safeguard your brand reputation.

Testimonials

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 has become indispensable in our sales tech stack, helping us scale the team, boost productivity, elevate the customer experience, and reduce friction within the buyer's journey.

Esther F.

VP of Sales Efficiency and Transformation at Five9
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"We're segmenting banners by employee function and communicating different messages all from a single, centralized admin console. Opensense serves as our extra layer for our demand gen campaigns, allowing us to segment banners and communicate different messages effectively. It has been a game changer for our targeted messaging."

Tom C.

Corporate Website Manager at ARCOS
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"Opensense has been wonderful for promoting Diversity, Equity, and Inclusion initiatives. Starting with Pride Month last year, we extended it to Hispanic Heritage, Pride, and Black History, aligning our logos and featuring banner messages celebrating each occasion. These campaigns are now integral to our organizational identity."

Molly S.

SVP of Connections & Design at Horizon Media
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"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 T.

Senior Business Systems Analyst at CMG Mortgage, Inc.
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Security

We comply with global data protection and security frameworks.

Learn about our security
AICPA SOC2 Type II certification badge showing compliance with security and data protection standards for trusted email signature software.
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 email signature solution
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.

GCC High compatible badge for secure email signatures and compliant communication for government contractors
Microsoft GCC High Ready

Built to support organizations operating in Microsoft 365 GCC High environments. Opensense is the only U.S.-based platform offering signature, banner, and tracking solutions for government, defense, and other highly regulated industries.

Integrations

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.

View integrations
Integration logos showing Opensense compatibility with Salesforce, HubSpot, Outlook, Marketo, Zendesk, Microsoft Dynamics, and other sales and marketing platforms

World Class Customer Service

Service that speaks for itself.

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Compose

24/7 Support

24/7 US-based phone & email support

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High-Touch Service

Dedicated Customer Success Managers & Technical Contacts

Mobile email app screenshot 4-hour response time indicator

Quick Response

Maximum 4 hour email response time