Klaviyo
Klaviyo, Inc. is a global technology company that provides a marketing automation platform, used primarily for email marketing and SMS marketing. The company is headquartered in Boston, Massachusetts, United States. A majority of the approximately 110,000 merchants who use Klaviyo's software are e-commerce sellers who host their offerings on Shopify. History 

The company was founded in 2012 by Andrew Bialecki and Ed Hallen. Both Bialecki and Hallen had previously worked at Applied Predictive Technologies. In August 2022, e-commerce company Shopify announced it was making Klaviyo the recommended email solution partner for its Shopify Plus merchant platform, with a  strategic investment into the company. In May 2023, Klaviyo filed for an initial public offering (IPO) for a listing at the New York Stock Exchange. In September, the company went public, raising $576 million in the IPO at a $9.2 billion valuation. Software and services 

The Klaviyo platform primarily integrates with e-commerce platforms, such as Shopify, Magento, BigCommerce, Stripe, and WooCommerce. In addition to its e-commerce platform integrations, users can integrate their tech stacks like Zendesk, Okendo  and Salesforce, directly to Klaviyo or use a custom API solution when an integration needs to be customized. Awards 

In 2023, Klaviyo was ranked at 6 in Forbes' Cloud 100, a ranking of 100 private cloud companies. In 2023, Klaviyo was ranked amongst the top 600 best workplaces in the US,. In 2023, Klaviyo was placed in the top 50 best workplaces in the UK ('medium-sized companies'). See also 
 Digital marketing
 Email marketing
 Marketing automation
 Mobile marketing
 Online marketing platform
 Real-time marketing

References 

Email marketing software
Digital marketing companies of the United States
Cloud applications
Companies based in Boston
Marketing companies established in 2012
American companies established in 2012
Digital marketing companies
2023 initial public offerings
Companies listed on the New York Stock Exchange