Octagonal Limited, a UK-based holding company focused on nurturing and expanding a diverse portfolio of innovative businesses. We provide strategic direction and robust financial backing, empowering our subsidiaries to achieve their full potential in dynamic markets.
Octagonal Limited is currently the parent holding company of Global Investment Strategy UK Limited and its associated company Global Investment Strategy HK Limited.

Global Investment Strategy UK Ltd (GIS) offers a diversified range of global financial services, founded on client relationships and built on trust, efficiency and integrity. As an FCA regulated prime broker and London Stock Exchange member firm, located in the City of London, it provides dedicated coverage for clients across global markets from its offices in London and Hong Kong. As prime brokers, it provide an accessible solution for businesses neglected by the big banks and other bulge-bracket providers.
As a result of growing client enquiries and peer group analysis, the Board has established a wholly-owned subsidiary prime broker company, with offices in Hong Kong.
Global Investment Strategy HK Limited has allowed GIS to provide a more diversified offering to existing clients. We provide a full complement of prime brokerage services including, post-trade, global clearing and prime services across multiple currencies and in equities, fixed income, government securities and options. GIS provides a trading desk that covers Asia-Pacific, UK and US market hours. Our experienced traders can deliver execution-only trading requirements across global equities, fixed income, FX and options.
As regulated prime brokers and a regulated local presence in Hong Kong, we assist our UK Platform by identifying new technology-based efficiencies for our global clients. Through establishing relationships with local tier-1 financial institutions, this enables us to offer services in frontier markets including Indonesia, Malaysia, Thailand, Taiwan and Vietnam, and access to Chinese listed securities via Shanghai-Hong Kong Stock Connect system. Global Investment Strategy HK Limited has significantly broadened the global market access we now offer to our individual and corporate clients.
Octagonal Auction Details
The Ordinary Shares of Octagonal were admitted to trading on Asset Match on 25 June 2026 at a price of 1 pence per share.
Auctions are to be held Quarterly and close at 3pm on the last Friday of each month (unless stated otherwise).
The tick size for this company is 0.25 pence per share.
Please read the auction instructions section below for more information on how to participate.