Constant Contact Closes Strategic Investment

Constant Contact, a Waltham, MA-based provider of digital marketing software for small businesses and nonprofits, has secured a new strategic investment.

The investment was led by Clearlake Capital Group through its new vehicle, Icon Partners VI, with participation from Lexington Partners and existing institutional investors.

Clearlake Capital Group is a global investment firm founded in 2006, managing over $90 billion in assets across private equity, credit, and related strategies. It focuses on the technology, industrials, and consumer sectors. Headquartered in Santa Monica, California, Clearlake has a global presence with offices in Dallas, New York, London, Dublin, Luxembourg, Abu Dhabi, and Singapore. The firm has completed more than 400 investments worldwide.

The company will use the funds to support its growth initiatives, fund acquisitions, and enhance its AI-driven marketing automation capabilities.

Constant Contact is a company that provides digital marketing and automation software for small businesses and nonprofits, designed to help users create and manage effective campaigns across multiple channels with ease. It offers tools for email, SMS, and social media marketing, supported by analytics and AI-driven solutions that enhance customer engagement and deliverability. Headquartered in Waltham, Massachusetts, Constant Contact serves nearly half a million customers worldwide, empowering small organizations to stand tall in a competitive market.

Funding Details

Company: Constant Contact, Inc.

Raised: Undisclosed

Round: Strategic investment

Funding Date: October 2025

Lead Investor: Clearlake Capital Group

Additional Investors: Lexington Partners

Company Website: https://www.constantcontact.com/

Software Category: Marketing Automation / AI-driven Digital Marketing