Based on Vendr's pricing intelligence, Seismic Professional Edition averages $630 per user annually at list price, while Enterprise Premier runs approximately $494 per user annually—making Premier surprisingly more cost-effective for larger deployments despite being the premium tier. Here's where negotiation gets interesting: Our data shows that companies purchasing 100 Professional seats typically achieve 32-68% discounts (median 42%), paying around $42,714 annually instead of the $63,000 list price. However, scaling to 500 seats dramatically improves your leverage—the discount range jumps to 43-76% (median 57%), resulting in approximately $180,810 annually versus the $315,000 list price. Negotiation Strategy: If you're considering 200+ seats, push for Enterprise Premier pricing instead of Professional. The per-seat economics favor Premier at scale, and you'll unlock advanced features like enhanced analytics and workflow automation. Use the volume discount data as your baseline—anything below 40% discount for 100+ seats means you're leaving money on the table. For 500+ seat deployments, target 55-60% discounts as your opening position.