LLR Partners | 21,218 followers on LinkedIn. LLR Partners is a lower middle market private equity firm focused on investing in software and tech-enabled companies within the knowledge economy. Founded in 1999 and headquartered in Philadelphia, LLR has raised over $7.5 billion across seven funds and has partnered with over 130 companies. LLR believes in creating value through partnership by providing flexible capital, strategic guidance and sector insight to help companies grow every day.