Home / Directory / Treasury and cash / Siman Systems
Margin & Cost Optimization (MaCO)
Made by Siman Systems
Replicates and optimises prime broker, OTC and exchange margin, with real-time cash reporting; the site states it is now part of Hazeltree Fund Services.
Margin & Cost Optimization (MaCO) is a treasury and cash product from Siman Systems. Replicates and optimises prime broker, OTC and exchange margin, with real-time cash reporting; the site states it is now part of Hazeltree Fund Services. It is also listed under collateral and margin. Siman Systems is based in London, United Kingdom and is owned by Hazeltree. Buyside Fintech verified that Siman Systems lists this product on the vendor's own website on 2026-09-20, 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 Siman Systems does not publish it; the table below shows those rows empty rather than hiding them. Practitioner reviews and questions about Margin & Cost Optimization (MaCO) appear below, and anyone at a firm that uses it can add one.
What practitioners say
Questions and notes
How Siman Systems describes itself
Prime Brokerage Replication, Investor Capital Tool, Cash Reporting Tool, Form PF Reporting Tool.
Siman Systems’s own website, read 2026-08-30
Their words, not ours, and about the company rather than this product. It is not an assessment and nothing in it has been checked.