Professional Racehorse Syndicator offering Thoroughbred Racing Shares in Australia. Enjoy the excitement of horse ownership with a leading syndication company. Call 1800 998 652 today! Leading Racehorse Syndicator Racing Thoroughbred Shares. Group One Thoroughbreds is a leading Australian thoroughbred racing syndicate company. Offering racehorse syndication ownership with City, Provincial and Country Trainers. We have a vast amount of experience dealing with thoroughbreds with a proven selection process. Group One Thoroughbreds has syndicated many quality racehorses throughout Australia. Consequently, aligning ourselves with some of Australia’s leading and most respected trainers to deliver you quality horse syndication share options.