Email Contact Phone Company Visit Website

London Office

23 Camomile Street Camomile Court

Paris Office

12 rue du 4 septembre

New York, USA Office

708 Third Avenue - 17th Floor
New York




Maria Liw
[email protected]

UL FIX - free FIX engine

UL FIX is the most easy-to-use FIX engine for financial institutions willing to adopt the FIX protocol. In an effort to facilitate the implementation of FIX, ULLINK offers this engine as a free download. UL FIX has been independently tested and recognized as the fastest solution available on the market.


Key technical benefits include:


-     Pure Java-based (small footprint, no third-party library is required)

-     Unlimited message size (messages are decoded tag by tag from the stream)

-     Modular persistence (file persistence provided)

-     Modular transport layer (TCP/IP and SSL transport provided)

-     Raw FIX message listener (i.e. for logging purposes)

-     etc.


Key functional benefits include:


-     Full FIX support (all versions)

-     Automatic header/trailer construction

-     Acts as both Initiator and Acceptor

-     Repeating groups, infinite loop detection

-     ResetSeqNumFlag support

-     Multiple validation: CompID, Checksum, SendingTime accuracy

-     Heartbeat timeout

-     etc.


The UL FIX is free but it is fully supported! Our service policy is to deliver much more than a product. Once you downloaded UL FIX, our support team will provide free UL FIX support to UL NET members and ULLINK clients (Monday – Friday, 08:00 to 19:00 GMT+1).



View other products from Itiviti

CameronFIX Engine

CameronTec is the financial industry’s leading provider of FIX infrastructure and connectivity solutions: its widely installed FIX engine, CameronFIX, is universally regarded as the reference standard for reliable, mature FIX applications.

Tbricks by Itiviti

Tbricks by Itiviti is a trading platform designed for today’s reality, fusing flexible, scalable and co-located trading with a blazingly fast core system. Banks and trading firms rely on Tbricks by Itiviti to automate sophisticated strategies on diverse venues across the globe.

UL BRIDGE - connectivity platform

ULLINK offers a modular and scalable connectivity and order routing platform, the UL BRIDGE. Manage connections with clients, brokers, exchanges and other destinations through a single point. The UL BRIDGE connectivity and order routing platform is:   Universal –      Library of 260 plug-and-play connections to favourite destinations –      All destinations (brokers, trading applications, OMS, exchanges, ECN, …