Surveyor

Surveyor is a surveillance and archiving product from Trillium Surveyor. Trade surveillance and best execution analytics sold to hedge funds, asset managers, prop firms and brokers, with cross-product manipulation detection. It is also listed under transaction cost analysis. Trillium Surveyor is based in New York, New York. Buyside Fintech verified that Trillium Surveyor lists this product on the vendor's own website on 2026-10-11, and the page we read is linked below. We do not record how it is deployed, how it is priced, what it costs and the firm sizes it serves for this product, because Trillium Surveyor does not publish it; the table below shows those rows empty rather than hiding them. Practitioner reviews and questions about Surveyor appear below, and anyone at a firm that uses it can add one.