The Smart Way to Manage Every Email Signature in Your Company

Use Letsignit email signature software to create, deploy and standardize professional HTML signatures across Outlook & Office 365 — without IT headaches.

Our cloud-based email signature tool is built for businesses that need centralized control, brand consistency, and marketing flexibility.

  • Over 2 Million users convinced
  • 24/5 US-based expert support
  • 98% of satisfied customers
Get Started for FreeSchedule a Demo
Create & Manage Custom Email Signatures
from One Central Platform
On-brand email signatures
for all your teams

Create custom email signatures that reflect your brand across every team. Say goodbye to inconsistent formats or outdated info.

Boost clicks, traffic
and leads by 25%

Turn every email into a marketing asset. Boost clicks and traffic by embedding campaigns in your business email signatures.

Enhance employee information by 38%

Effortlessly roll out targeted internal campaigns directly through every email, ensuring your key messages are seen, felt, and acted upon by every employee.

For IT Teams
Native Microsoft 365 and Azure AD sync
Role-based admin controls for easy delegation
Fast rollout for no scripting, no hassle
Reduce IT workload – no more support tickets
Built on a secure, ISO & GDPR-compliant infrastructure
For Marketing & Comms
Branded signature templates that always stay on-brand
Embed calendar links & smart add-ons into every signature
Launch internal/external campaigns or embed surveys into signature
Track clicks & campaign performance with built-in analytics
No design skills required
For IT Teams
Native Microsoft 365 and Azure AD sync
Role-based admin controls for easy delegation
Fast rollout for no scripting, no hassle
Reduce IT workload – no more support tickets
Built on a secure, ISO & GDPR-compliant infrastructure
For Marketing & Comms
Branded signature templates that always stay on-brand
Embed calendar links & smart add-ons into every signature
Launch internal/external campaigns or embed surveys into signature
Track clicks & campaign performance with built-in analytics
No design skills required
How Does Letsignit Work?
Design

Choose from our signature templates, use our Drag & Drop Designer, or import your HTML code. No technical or design skills required!

Synchronize & Deploy

User info is auto-filled from your directory, and signatures are rolled out instantly across all devices — via our Outlook Add-in co-developed with Microsoft.

Communicate & Measure

Turn every email into a comms channel. Launch internal or external campaigns, embed surveys, and track clicks with built-in analytics.

Go Green with Light & Dynamic Signatures

Lower email CO₂ impact and boost sustainability with lightweight, adaptive signatures and dynamic vCards.

  • ‍Light Signatures: Optimized for internal communication and replies/forwarded messages
  • ‍Integrated "Chat on Teams" Option: Reduce unnecessary email responses
  • ‍Optimized Signature Weight: Improve efficiency and sustainability
  • ‍Dynamic vCard: Say goodbye to disposable business cards with our always up-to-date vCard, allowing your employees to share their contact details with a single click or
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Brand outcomes for Marketing.
Enterprise standards for IT

You operate in regulated environments. Letsignit is built for that: every signature, every slide, every digital card runs on infrastructure designed for the enterprise.

Your data stays yours
We sync with your directory and push brand assets to your employees: we never read, store, or access the content they create and share.
Co-built with Microsoft
A 13-year partnership with Microsoft engineering: we co-developed our first Outlook Add-in with them, our new Powerpoint Add-in and we're building the future together.
ISO 27001 & 27018
Certified for 4 years with the highest global standards for information and data security. Continuous audits and penetration tests. 100% EU hosting. Zero compliance incidents in 13 years.
Talk to a Letsignit expert

Don’t take our word for it.
More than 2 millions people trust Letsignit with every email they send.

In order to ensure global communication and maintain our brand identity internationally, we have decided to take advantage of our employees' email signatures using Letsignit. This has been in place for almost 10 years, since June 2022!
Martine GILLET‑ARAIC
Digital Communication Officer
3,000 equipped employees
Letsignit is easy to get started with, user-friendly, and customizable. The team is responsive and always pleasant when you have a question or need help with something. I highly recommend this excellent service!
Kim‑Mai Buiba
Internal Communication Manager
500 equipped employees
Letsignit is easy to set up and administer. Signatures look great and it tracks marketing metrics and click rates. It also allows for easy navigation when setting up URLs on our signatures. The value of this tool has been proven!
Danny Murphy
Partner, Technology & InfoSec
265 equipped employees
Letsignit enhances and elevates our brand image, making it more dynamic. With the platform, we can create both internal and external campaigns to highlight events or promotions.
Corinne Demange
Digital Marketing Officer
322 equipped employees
Letsignit is a tool that is both simple and powerful for standardizing employees' email signatures and also treats the signature as a new media. It can be used as a low-cost acquisition channel. All of this integrated into Microsoft Office 365.
Carole Benichou
Director of Microsoft 365 Division
 
Before Letsignit with our old signatures, we couldn't add banners or do anything else. Everything was complicated. Although some things were possible, it took a lot of time for IT to create all the signatures.
Elodie Mescam
Senior Digital Strategy & Marketing Manager
 
Read the success story
I love the ability to change signatures and ad campaigns with just a click thanks to Letsignit. We used to have issues with uniformity, but this is no longer a concern for us.
Luis Pontillo
Digital Marketing Executive
 
With Letsignit, there are no more outdated or image-format signatures! They are now all up-to-date and linked to our social networks, website, or specific campaigns!
Damien Marty
Information Systems Manager
135 equipped employees
Read the success story
Letsignit makes it easy to create campaigns and manage contact groups. Its link with Office 365 simplifies internal implementation and allows for tracking of user usage. The separation of signature and campaign creation enables fast updates, even with multiple entities.
Rachel Pallamidessi
Digital Communication Manager
 
Letsignit is: easy to integrate, easy to manage, easy for users, and easy to use.
Alaa Eddine Elhimer
Tech Administrator
5,750 equipped employees

Choose the offer that best fits your needs

Signatures + vCards

Branding

Standardize your email signatures
Create, manage, and automate the deployment of all your employees' email signatures & vCards.
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Signatures + Campaigns

Campaigns

Extend the reach of your communications
Integrate banners into your email signatures and program internal and external communication campaigns.
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500+ persons team

Enterprise

A tailor-made plan,
just for you
Reach out to us for an offer specifically designed to meet the needs of organizations with 500+ employees.
Talk to a Letsignit expert

Ready to Clean Up Your Email Signature Mess?

Book a slot in our Letsignit expert's calendar to launch your free trial. Ask questions, share your goals, and see how Letsignit can fit into your company.

Request your free trial

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Unite your brand above one signature

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