TOM Smart Execution is a broker with a primary focus on best execution of (retail) orders. Thanks to this intelligent engine, TOM Smart Execution’s clients will always find the best prices for orders in financial instruments.

Founded in 1986 with a single floor trader and now with 600 employees globally, Optiver is one of the fastest growing and most successful proprietary trading firms in Europe. Providing liquidity in various equities and derivatives to exchanges, Optiver is actively trading on Euronext Amsterdam as a primary and competitive market maker. Optiver is one of the principal participants in the NYSE Euronext Liffe segment (derivatives) and involves itself on all the major European equities and derivatives platforms, such as the London Stock Exchange, Xetra, Eurex, Virt-X, Chi-X and TOM MTF.

Via the TOM MTF membership ABN AMRO Clearing Bank N.V. (ABN AMRO Clearing), can send client flow to TOM MTF. This way clients can optimally use ABN AMRO Clearing’s Market Access (MA) services and route to TOM MTF, using an Independent Software Vendor (ISV) or a FIX interface. Connectivity to TOM MTF takes the number of markets ABN AMRO Clearing can offer to more than 50. Today’s services are extensive, ranging from access via ISV's own trading applications to proximity and colocation hosting services for members and non members alike.

ABN AMRO Clearing is a registered Application Service Provider (ASP) where necessary (or the equivalent) at many exchanges around the globe, and offers direct or indirect connectivity to more than 50 of the world’s Equity and Derivative exchanges. Their strategy of freedom of choice with the MA services has allowed ABN AMRO Clearing to grow into one of the largest service providers in the world for Algo, Automated, proprietary and institutional traders.

ABN AMRO Clearing’s global network covers the far corners of the world from Sydney to Tokyo, Singapore and Hong Kong, to Frankfurt, London, Amsterdam, Chicago and New York. ABN AMRO Clearing has an array of around 24 data centres worldwide, chosen for their proximity or colocation to important exchanges, and available for client/member hosting services.

The IMC Group is a global financial organization with a presence in Amsterdam, New York, Chicago, Hong Kong, Sydney, and Zug. It is structured around two core entities: IMC financial markets; A successful proprietary trading group, active across all significant markets, exchanges and instruments and IMC asset management; A leading alternative asset manager with a range of institutional and private clients. IMC employs over 600 people worldwide and the head office is in Amsterdam, the Netherlands.

ABR Financial is a Dutch investment firm providing liquidity to the major pan-European financial markets, such as NYSE Euronext, the London Stock Exchange, Nasdaq OMX and TOM MTF. Besides providing liquidity to a large number of Exchange traded equity and derivative instruments, ABR Financial can deliver extensive brokerage services to professional and institutional investors. ABR Financial can provide any of their Clients with direct connectivity to their Exchange Network. Additionally ABR Financial is fully licensed to provide its professional Clients with specialized advice and knowledge regarding general asset management and complex investment strategies

All Options is an international market maker providing liquidity to the world’s major financial derivatives markets. Headquartered in Amsterdam, All Options operates from offices in Curaçao and the People’s Republic of China.
All Options operates as a market maker and trader on key exchanges including TOM MTF, NYSE Euronext Liffe, the London Stock Exchange, Xetra, and Eurex. All Options believes in leveraging their insight into the markets and making intelligent trading decisions facilitated by cutting-edge technology. They focus on speed and excellence in execution, meaning that they aim for the best result for them and their trading partners.

Instinet is an electronic trading pioneer, having established the world’s first major electronic trading venue in 1969, one of the first recognized U.S. ECNs in 1997 and the first pan-European MTF in 2007. Through its subsidiaries and affiliates, Instinet operates two distinct business lines: a global network of agency-only brokers that seek to help institutions lower overall trading costs and improve investment performance through the use of innovative electronic trading products, including smart-routing, algorithms, DMA, TCA, dark pools and EMS platforms, and also provide sales trading, commission management services and independent research; and the Chi-X® Global businesses, which aim to improve the efficiency of capital markets globally by providing high-performance, low-cost alternative execution venues and the technology required to power them. Instinet is a wholly-owned subsidiary of Nomura Holdings, Inc.

Scrocca is a young and ambitious option company based in Amsterdam. Established in 1997, Scrocca Option Trading has grown into a medium-sized trading company, specialising in trading options, futures and shares on Euronext Amsterdam.

The name 'WEBB' stands for 'Worldwide Electronic Bull & Bear Traders'. It is also the name of the first person to swim the English Channel, Matthew Webb. Not surprisingly, WEBB Traders is a pioneering company. WEBB Traders is active in low latency arbitrage between multiple products across multiple exchanges. Competition being intense, a low risk model and limited overnight exposures enables them to successfully implement their strategies in many niche markets. From the heart of Amsterdam, WEBB Traders trades the financial markets globally. Their traders have many years of experience, whilst at the same time they are always looking for new talent.

Algorithmic Trading Group (ATG) Ltd. is a young dynamic trading company founded in Hong Kong by Bob Collin, Chun Wing Man and Tom Voûte in October of 2008. ATG has been operational since June 1st 2009.

ATG specializes in high frequency automated trading on the major financial markets around the world. ATG has offices in Hong Kong and Leiden, the Netherlands.

323 Trading BV is an ambitious trading company that specializes in proprietary equity and derivatives trading. The organisation has a flat structure, is informal in nature and very result oriented. The office is located in a beautiful location in the center of Amsterdam and offers work space to 12 employees. 323 is active as a Market Maker on Euronext Liffe Amsterdam, Paris, London, Eurex/Xetra and TOM MTF.

Leopark Options B.V. is a medium-sized trading company that is active in proprietary equity and derivatives trading. Leopark is located on Amsterdam’s Beursplein 5-trading floor and was founded in 1996. Acting as primary and competitive market maker Leopark has specialized in Index-trading and local stocks. Combining old-school market making experience with modern trading strategies and technology Leopark operates on Euronext Liffe Amsterdam, Paris, London, Eurex/Xetra and TOM MTF and employs 6 traders.

Virtu is a leading global electronic trading firm and market maker on numerous exchanges and electronic marketplaces in equities, fixed income, currencies and commodities with offices in New York, Los Angeles, London, Dublin and Sydney. The Virtu market making activities lowers costs for both retail and institutional investors who trade on public securities and commodities exchanges and other market centers globally, and supplies the liquidity necessary for the public to trade and invest. Since its founding in 2002, Virtu's business has grown to comprise a significant market share in numerous asset classes, playing a vital role in contributing to the healthy and efficient functioning of global financial markets. Virtu and its affiliates are members of NYSE Euronext, NASDAQ, the Chicago Mercantile Exchange, TOM MTF and numerous other exchanges and market centers around the world.