The Sales Lesson I Learned from Losing My Biggest Client 1. The Good Days It was the kind of deal every business owner dreams about — a big client who loved our services, gave us repeat work, and regularly sent referrals. Revenue was steady, relationship was strong, and honestly, I thought I had this account “locked in for life.” I got comfortable. Too comfortable. 2. The Turning Point One quarter, they called for a small change in the service. I promised, “I’ll get back to you on that,” but I was caught up in a busy season. Days turned into weeks, and before I knew it, their small request had gone unanswered. By the time I followed up, they had already engaged another provider — not because my work was bad, but because they felt unheard and undervalued. It stung. A lot. 3. The Pain That client accounted for nearly 30% of my revenue. Losing them meant not just a financial gap, but also a dent in my confidence. I replayed every conversation, wondering where I went wrong. And...