Arthur J Gallagher, a US-based global insurance brokerage and risk management services firm, completed the acquisition of a majority stake in Risk Management Services, a brokerage company. Financial terms were not disclosed. "Our Caribbean brokerage operations have worked on regional accounts with RMS since the mid-'90s. We have been very impressed with their integrity, knowledge of the business, and high-quality service, and we are delighted to further solidify that partnership," J. Patrick Gallagher, Jr., Arthur J Gallagher Chairman, President, and CEO.