About Litmus
Litmus is a company based in Cambridge (United States) founded in 2005 was acquired by Validity in April 2025. Litmus has raised $49 million across 1 funding round from investors including Validity and Spectrum Equity. The company has 158 employees as of December 31, 2022. Litmus has completed 3 acquisitions, including Curated, Kickdynamic and PutsMail. Litmus offers products and services including Litmus Platform, Email Design, Email Testing, and Email Analytics. Litmus operates in a competitive market with competitors including Return Path, MessageGears, MantaMTA, Email Copilot and eDataSource, among others.
- Headquarter Cambridge, United States
- Employees 158 as on 31 Dec, 2022
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Sectors
Technology
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Phone
Locked
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Website
Locked
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Social
Locked
- Legal Name Litmus Software, Inc.
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Annual Revenue
Not available
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Net Profit
Not available
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EBITDA
Not available
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Total Equity Funding
$49 M (USD)
in 1 rounds
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Latest Funding Round
$49 M (USD), Private Equity Round
Oct 27, 2015
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Investors
Validity
& 1 more
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Employee Count
158
as on Dec 31, 2022
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Investments & Acquisitions
Curated
& 2 more
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Acquired by
Validity
(Apr 10, 2025)
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Products & Services of Litmus
Litmus offers a comprehensive portfolio of products and services, including Litmus Platform, Email Design, Email Testing, and Email Analytics.
Comprehensive platform for email testing and personalization services.
Tool for creating on-brand emails with flexible elements.
Service for checking emails across clients and devices.
Platform for monitoring email performance and subscriber behavior.
People of Litmus
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Funding Insights of Litmus
Litmus has successfully raised a total of $49M through 1 strategic funding round. The most recent funding activity was a Private Equity Round of $49 million completed in October 2015. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
Investors in Litmus
Litmus has secured backing from 2 investors, including venture fund investors. Prominent investors backing the company include Validity and Spectrum Equity.
| Investor | Description | Founded Year | Domain | Location |
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Growth equity investments and partnerships in finance and related sectors.
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Data validation and management tools are offered for enterprises.
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Investor details for Litmus
Investor domains, locations, round participation, and complete history require an active premium plan.
- Investor domains
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Investments & Acquisitions by Litmus
Litmus has strategically engaged in corporate development activities, having acquired 3 companies. Notable acquisitions include Curated, Kickdynamic and PutsMail.
Investment portfolio details for Litmus
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- Portfolio identities
- Transaction dates
- Round details
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| Company Name | Description | Domain | Location | Founded Year | Amount |
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Newsletter curation tools are provided for content capture and publishing.
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Contextual email marketing is enabled with real-time personalization.
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Free tool for email designers to perform quick tests of their campaigns
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Locked | Locked | 2010 | Locked |
Complete acquisition details for Litmus
Transaction dates, acquired stakes, disclosed values, domains, and locations require an active premium plan.
- Transaction dates
- Acquired stakes
- Disclosed values
- Domains and locations
Verified entity values are shown only after access is granted.
Financial Statements - Litmus
Detailed financials for Litmus
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- Profit trends
- Statement rows
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Litmus Comparisons
Peer comparison for Litmus
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Competitors of Litmus
Litmus operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Return Path, MessageGears, MantaMTA, Email Copilot and eDataSource, among others.
| Company Name | Domain | Founded year | HQ Location | Description |
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Email marketing automation and fraud protection platform
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Email marketing platform for enterprises
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Email Delivery Platform for Enterprises
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Email delivery analytics are provided for marketers and ESPs.
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Competitive intelligence for email marketing, social media and ecommerce activity
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Detailed competitors of Litmus
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- Full company profiles
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Latest news on Litmus
Complete news archive for Litmus
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- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
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Frequently Asked Questions about Litmus
Litmus was founded in 2005 and raised its 1st funding round 10 years after it was founded.
Litmus is headquartered in Cambridge, United States. It is registered at Cambridge, Massachusetts, United States.
Litmus is a funded company, having raised a total of $49M across 1 funding round to date.
As of Dec 31, 2022, the latest employee count at Litmus is 158.
Litmus was founded in 2005 in Cambridge, United States, and operates in the email marketing sector. Tools for testing and tracking are supplied to web and marketing professionals, including previews across mobile and web platforms, link validation, code analysis, and spam filter assessments integrated with analytics from email delivery providers. Partnerships are maintained with over 225 email service providers and agencies.
Litmus's top competitors include MessageGears, Return Path and Email Copilot.
Litmus offers Litmus Platform, Email Design, Email Testing, and Email Analytics.
Litmus has made 3 acquisitions, including Curated, Kickdynamic, and PutsMail.
Litmus has 2 investors. Key investors include Validity, and Spectrum Equity.