Best Email Signature Software for Google Workspace & Gmail.

All-in-one platform to manage email signatures, email banner ads, email tracking, and email compliance—built for Google Workspace and Gmail.

Get started
Professional woman smiling next to an email signature example featuring her name, title, photo, contact information, social media icons, and a branded Opensense banner promoting email analytics

Trusted by the brands you depend on

Reimagine Employee Email

Guard your brand. Grow your funnel.

Beautiful Signatures

Standardize email signatures across all employees to ensure every email reflects the brand you've worked hard to build.

Powerful Advertising

Connect your CRM and marketing automation systems to launch targeted ad campaigns through employee email.

analytics icon

Real-time Insights

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

Adaptive Compliance

Bridge customer data with our technology to ensure every email sent maintains compliance with regulations like GDPR, CASL, and more.

Enable Every Brand Builder

Elevate the channel you already own.

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

Email signature editor interface displaying professional signature templates and customization options
Email inbox interface showing a real-time Opensense notification: 'Mary Taylor clicked and viewed your proposal'

Sales & Account Insights

Leverage granular engagement data and intent signals to nurture your prospect down the funnel. Multiple recipients on a thread? See how each engages with your emails.

Professional email signature for Kieran Boyle, COO at Opensense, featuring a profile photo, company logo, contact details, website link, podcast link, and social media icons
IT & Brand Marketing

Effortlessly enforce signature standards across hundreds or thousands of employees, perfectly. Control everything from a single dashboard including compliance checks.

Professional email signature for Kieran Boyle, Chief Operating Officer at Opensense. Includes profile photo, contact details, and social icons. Highlights a branded marketing banner with the message 'Stop burning money on display ads,' a Learn How button, Opensense logo, and illustration of mobile ad spend.
Growth & Event Marketing

With an average CTR of 4-7%, email ad banners promote your campaigns, events, and content to your most engaged audience.

Professional email signature for Kieran Boyle, Chief Operating Officer at Opensense. Includes profile photo, contact details, and social icons. Features a branded marketing banner and below that highlights a confidentiality disclaimer about the email being intended only for the recipient

Legal & Compliance

Optimize disclaimers and other compliance messaging with no heavy lifting including by sender or recipient country & language.

Opensense blog post previews showing four articles with bold graphics and headlines: ‘Stop Burning Money on Display Ads,’ ‘Product Updates: Email Insights & Analytics,’ ‘Include Employees in Your Brand Strategy,’ and ‘Learn How to Enable Brand Builders.’ Each card features colorful visuals, category tags, publish dates, and a call-to-action button
Get The Latest

Subscribe to our blog

Your source for email content, growth marketing, brand management, and our podcast.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Security

We comply with global data protection and security frameworks.

Learn more
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.

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
Read case study
"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
Read case study
"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
Read case study
"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.
Read case study
World Class Customer Service

Service that speaks for itself.

Email inbox interface with a compose button highlighted
Compose

24/7 Support

24/7 US-based phone & email support

Dot patternSmiling customer support representative with headset providing high-touch service, symbolizing personalized assistance and dedicated support for email signature customers.

High-Touch Service

Dedicated Customer Success Managers & Technical Contacts

Mobile email app screenshot4-hour response time indicator

Quick Response

Maximum 4 hour email response time

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