When was Litmus founded?

Litmus was founded in 2005 and raised its 1st funding round 10 years after it was founded.

Where is Litmus located?

Litmus is headquartered in Cambridge, United States. It is registered at Cambridge, Massachusetts.

How many employees does Litmus have?

As of Aug 31, 2026, the latest employee count at Litmus is 74.

Is Litmus a funded company?

Litmus is a funded company, having raised a total of $***** in its 1st and only funding round, a PE round on Oct 27, 2015.

When was the latest funding round of Litmus?

Litmus' latest funding was a $***** PE round on Oct 27, 2015, with participation from 1 investor. Its primary sector is MarketingTech. In United States, the MarketingTech sector has seen $3.15B in funding in 2026 to date.

Where does Litmus rank among its competitors?

Litmus ranks 10th amongst 1271 active competitors, of which 22 are funded. It stands 5th in terms of total funding among its competitors. The most recent competitor to raise funding was MessageGears, which secured $62M in Dec, 2022.

Who are the top competitors of Litmus?

Litmus' top competitors include MessageGears, Return Path and SendGrid. Among them, MessageGears secured the most recent funding round in December, 2022.

Litmus - 2026 Company Profile, Team, Funding & Competitors

Company Details

All-in-one email marketing platform optimizing brand experiences and maximizing ROI. It provides a comprehensive SaaS solution for businesses to create, personalize, test, and analyze their email campaigns. The platform offers features like email design, building, personalization, spam testing, analytics, and collaboration tools. It integrates with various email service providers and code editors, enhancing email marketing effectiveness. The company empowers marketers to send impactful emails, fostering meaningful connections with their audience. It is a B2B software solution designed to improve email deliverability and engagement.

Website: www.litmus.com/
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Registered Address: Cambridge, Massachusetts

Key Metrics

Founded Year

2005

Location

Cambridge, United States

Stage

Acquired

Total Funding

$49M in 1 round

Latest Funding Round

PE, Oct 27, 2015, $*****

Investors

Spectrum Equity

Ranked

10^th among 1271 active competitors

Employee Count

74 as on Aug 31, 2026

Investment & Acquisitions

Kickdynamic & 2 more

Similar Companies

MessageGears & 364 more

Exit Details

Acquired by Validity (Apr 10, 2025)

View Litmus' full profile

Litmus is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
LITMUS SOFTWARE, INC. CIN: 473917284 , United States, Active	Dec 26, 999	-	144 (As on Dec 31, 2024)	-

Litmus got acquired by Validity on Apr 10, 2025.

Click here to take a look at Litmus's acquisition in detail

Litmus has raised a total funding of $49M over 1 round. Its latest funding round was a PE round on Oct 27, 2015 for $*****. 1 investor participated in its latest round. Litmus has 1 institutional investor.

Here is the list of recent funding rounds of Litmus:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Oct 27, 2015	1332999	PE	7455119	3519108	1477223	6909221

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View details of Litmus's funding rounds and investors

The founders of Litmus are Matthew Brindley and David Smalley.

Here are the details of Litmus' key team members:

Matthew Brindley: Co-Founder & CTO of Litmus.
David Smalley: Co - Founder & COO of Litmus.

View details of Litmus's Founder profiles and Board Members

Litmus' employee count trend

Litmus has 74 employees as of Aug 26. Here is Litmus's employee count trend over the years:

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Top competitors of Litmus include MessageGears, Return Path and SendGrid. Here is the list of Top 10 competitors of Litmus, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	MessageGears 2010, Atlanta (United States), Series D	Email marketing platform for enterprises	$79.7M	Argentum Group, Bridge Bank & 3 others	63/100
2nd	Return Path 1999, New York City (United States), Acquired	Email marketing automation and fraud protection platform	$131M	Vista Equity Partners, Costanoa Venture & 11 others	62/100
3rd	SendGrid 2009, Boulder (United States), Acquired	Email API and marketing campaigns for reliable email delivery	$83.5M	Bain Capital Ventures, Foundry Group & 24 others	61/100
4th	LiveIntent 2009, New York City (United States), Acquired	Real time email advertising and marketing platform	$64.8M	First Round Capital, Bullpen Capital & 12 others	59/100
5th	Mailjet 2010, Paris (France), Acquired	Cloud based platform for Transactional and Marketing Emails	$17.6M	Alven, IRIS & 4 others	58/100
6th	GetResponse 1998, Wilmington (United States), Unfunded	Email marketing suite	-	-	54/100
7th	PatronManager 2010, New York City (United States), Unfunded	CRM and marketing solution built on the Salesforce platform	-	-	54/100
8th	iContact 2003, Morrisville (United States), Acquired	Easy email marketing platform empowering businesses with intuitive tools and expert support	$47.9M	JMI Management, Red Oak Partners & 6 others	53/100
9th	QLC 1995, Mumbai (India), Unfunded	Developer of email, internet, and sales force automation software solutions	-	-	52/100
10th	Litmus 2005, Cambridge (United States), Acquired	All-in-one email marketing platform optimizing brand experiences and maximizing ROI	$49M	Spectrum Equity	51/100

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Litmus has acquired 3 companies including Kickdynamic, Curated and PutsMail. Litmus has not made any investments as of now.

Here is the list of its acquisitions:

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Nov 11, 2021	Acquisition	Kickdynamic	2012	London (United Kingdom)
Apr 26, 2016	Acquisition	Curated	2015	Cambridge (United States)
Oct 08, 2014	Acquisition	PutsMail	2010	Sao Paulo (Brazil)