Why Partnerships Fail, and How to Break the Cycle
The partnership looked perfect on paper: complementary skills, aligned industries, and shared ambition. Eighteen months later, it ended in silence, blame, and a legal dispute neither founder anticipated. Unfortunately, this outcome is far more common than it appears. Since 2020, statistics show there has been a surge in new business formation, and a significant share of these ventures involve two or more founders. Partnerships are being formed at unprecedented rates, and a painful share are quietly falling apart. To understand why, I spoke with Kyle Kane, Co-founder of onSpark and an entrepreneur who has built and advised high-growth ventures and spent years examining patterns of partnership failure across founding teams. He previously built one of America’s fastest-growing companies, reaching Inc. 500 status in less than 18 months, which gave him direct exposure to how early-stage partnerships form, strain, and break under scale. The pattern he describes is not rare; it is increasingly visible in a startup landscape that has expanded rapidly since the pandemic. What the Research Says About Partnership Selection Research helps explain the …









