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IndustryEmail marketing
Founded2001; 21 years ago (2001)
FoundersBen Chestnut
Mark Armstrong
Dan Kurzius
HeadquartersPonce City Market, Atlanta, Georgia, U.S.[1]
Key people
Ben Chestnut (CEO)
ProductsEmail marketing
Number of employees

Mailchimp is an American marketing automation platform and email marketing service. It is the trading name of its operator, Rocket Science Group, an American company founded in 2001 by Ben Chestnut and Mark Armstrong,[5] with Dan Kurzius joining at a later date.[6][7]

"Mailchimp, named after their most popular e-card character, launched in 2001 and remained a side project for several years, earning a few thousand dollars a month."[8] Mailchimp began as a paid service and added a freemium option in 2009. Within a year, its user base had grown from 85,000 to 450,000.[9] By June 2014, it was sending over 10 billion emails per month on behalf of its users.[10] In 2017, the company was gaining 14,000 new customers every day. The company has remained owned by its co-founders and has not accepted venture capital funds.

In 2016, Mailchimp was ranked No. 7 on the Forbes Cloud 100 list.[11] In February 2017, the company was named one of Fast Company's Most Innovative Companies of 2017. In August 2017, It was reported that Mailchimp would be opening offices in Brooklyn and Oakland, California.[12]

In February 2019, Mailchimp acquired LemonStand, a smaller competitor.[13] Later in 2019, the company announced its annual revenue would reach $700 million. Mailchimp later announced their plans to shift from mail distribution into offering "a full marketing platform aimed at smaller organizations."[14] To this end, Mailchimp acquired the London-based media and magazine company, Courier, in March 2020, with the stated goal of international growth. The magazine has a readership of 100,000 readers in more than 26 countries.[15]

As of May 2019, new users will be charged per contact as opposed to just subscribed contacts, so new users will be paying for unsubscribed contacts and those who have not yet confirmed.[16]

The MailChimp founders[17] have become notoriously known as the poster faces for a growing list of successfully bootstrapped startups[18] in that it has required no outside funding, no plans for an IPO and no to all the companies that have tried to acquire it[19] (interested parties have included private equity firms as well as big tech players).

On August 31, 2021, Bloomberg reported that Intuit was in talks with Mailchimp about the possible acquisition of the email marketing firm.[20]

On September 13, 2021, Intuit confirmed it would be acquiring Mailchimp for a valuation of approximately $12bn in cash and stock. [21]

Marketing campaigns[edit]

As a podcast advertiser, Mailchimp also sponsored the launch of Serial, a podcast exploring a murder case over multiple episodes. During the series, parodies of Serial have targeted several of the show's aspects, including the podcast's sponsor (especially the meme "MailKimp").[22][23]

Mandrill controversy[edit]

In February 2016, Mailchimp announced it was merging Mandrill transactional email service into Mailchimp as an add-on feature, and gave customers 60 days' notice to switch to the new pricing structure or find an alternative service platform.[24] The new pricing structure required a paid Mailchimp plan before being able to purchase Mandrill credits, resulting in customers paying for two products in order to access Mandrill.[25]

Previously, customers were able to purchase Mandrill credits for sending emails without signing up on Mailchimp. The credits were originally priced at $9.95 for 25,000 emails but increased to $20 for the same number of emails under the new pricing scheme. In addition to needing to purchase Mandrill credits, customers now need to be on a paid Mailchimp monthly plan (the minimum monthly plan being $10 a month), even if the customer has no need for Mailchimp services and only wants access to Mandrill. Mandrill was later renamed Mailchimp Transactional.[26]


  1. "Ponce City Market". Retrieved 2019-03-28.
  2. "Want Proof That Patience Pays Off? Ask the Founders of This 17-Year-Old $525 Million Email Empire". 11 December 2017. Retrieved 2018-05-29.
  3. "Why MailChimp Is One Of The Most Innovative Companies Of 2017". Fast Company. 2017-02-13. Retrieved 2018-05-29.
  4. "Mailchimp's About Us". Retrieved 2018-05-29.
  5. Grantham, Russell. "'Everything came and went too fast,' dot-com vet says". Atlanta Journal Constitution (2000–12–03).
  6. "Mailchimp | CrunchBase Profile". Retrieved 2013-06-17.
  7. Manjoo, Farhad (2016-10-05). "Mailchimp and the Un-Silicon Valley Way to Make It as a Start-Up". The New York Times. ISSN 0362-4331. Retrieved 2017-06-07.
  8. Konrad, Alex. "The New Atlanta Billionaires Behind An Unlikely Tech Unicorn". Forbes. Retrieved 2020-05-08.
  9. Ben (2010-09-27). "Going Freemium: One Year Later | Mailchimp Email Marketing Blog". Retrieved 2013-06-17.
  10. "Mailchimp Hits Milestone 10 Billion Emails Per Month; Adding Headcount and Office Space". Archived from the original on 8 December 2015. Retrieved 8 December 2015.
  11. "Forbes Cloud 100". Forbes. Retrieved 29 October 2016.
  12. "Mailchimp to open office in Downtown Brooklyn - Brooklyn". Brooklyn. 2017-08-04. Retrieved 2017-11-02.
  13. "Before breaking up with Shopify, Mailchimp quietly acqui-hired LemonStand, a Shopify competitor". TechCrunch. Retrieved 2019-04-30.
  14. "Mailchimp expands from email to full marketing platform, says it will make $700M in 2019". TechCrunch. Retrieved 2019-05-13.
  15. Swant, Marty (2020-03-03). "Mailchimp Acquires British Bimonthly Magazine Courier". Forbes. Retrieved 2020-03-25.
  16. "About Your Legacy Pricing Plan". Mailchimp. Retrieved 2019-08-06.
  17. Kim, Larry (2019-04-10). "10 Fascinating Facts About Mailchimp CEO Ben Chestnut". Retrieved 2020-11-16.
  18. "The Case for Bootstrapping w/Ben Chestnut". WaitWhat. Retrieved 2020-11-16.
  19. "Mailchimp's Ben Chestnut on bootstrapping a startup to $700M in revenue". TechCrunch. Retrieved 2020-11-16.
  20. Baker, Liana; Porter, Kiel; Hammond, Ed (2021-08-31). "Intuit in Talks to Buy Mailchimp for More Than $10 Billion". Bloomberg.
  21. "Intuit to acquire MailChimp". Tounca Blog. September 15, 2021.
  22. Roe, Mike (November 8, 2014). "Serial: The hottest podcast with the most spot-on parodies". 89.3KPCC. Retrieved November 12, 2014.
  23. Fitzpatrick, Molly (November 6, 2014). "Why are Serial podcast fans so obsessed with Mailchimp?". V[ ]cative. Vocativ. Retrieved November 12, 2014.
  24. Williams, Owen (2016-02-25). "In hostile move, Mandrill gives all developers 60 days to switch to paid Mailchimp service". The Next Web.
  25. Nicastro, Dom (2016-02-26). "MailChimp's Mandrill Move Enrages Email Users". CMSWire.
  26. MailChimp (2016-02-24). "Important Changes to Mandrill". Mandrill Email Platform Blog.