Weld North LLC | 1,013 followers on LinkedIn. Weld North is an investment company concentrating on education, health and wellness, consumer services and marketing businesses. In partnership with Silver Lake, a leading global alternative asset manager, Weld North seeks to make control investments in lower and middle market businesses with high potential for long-term growth in cash flow. As a partner with strong and highly motivated management teams, the firm looks to accelerate growth through an obsessive focus on enhancing the customer experience, operational excellence, marketing expertise, and strategic and disciplined management.