Passle | 10,324 followers on LinkedIn. Cross-selling & thought leadership software for professional services firms. 🐙 | Passle powers growth at the world's leading professional services firms, including Ropes & Gray, Linklaters, Quinn Emanuel and many more. We built our cross-selling software, CrossPitch AI, specifically for the needs of professional services firms, to build the trust, awareness, and top-level client service that firms deserve.