T&L Group Ltd. | 777 followers on LinkedIn. If you rely on technology to do business, the T&L Group Ltd. stands ready to ensure that your technology doesn't fail. | T&L Group Ltd. was founded on May 1, 2005, and is headquartered in Midtown Manhattan, NY, with an additional office in Stamford, CT. Originally founded to meet the growing need for technology support throughout the financial sector, its mission is to continue providing excellence and success for every client. Since its inception, T&L Group has evolved to support businesses in all sectors requiring topnotch management and expertise for their IT.