Squire, a Y Combinator-backed business management platform for barbershops, just raised an $8 million Series A round led by Trinity Ventures. Since launching in 2016, Squire has grown to operate in 28 cities across three countries with more than $100 million in transactions processed to date. Across the 28 cities where Squire operates, the company says it sees the most traction in cities like New York, San Francisco, Miami, Atlanta, Los Angeles and Toronto. “They’ve been very effective and efficient in acquiring these businesses,” Trinity Ventures General Partner Schwark Satyavolu told TechCrunch.