Hall announced that it had raised US$5.5 million in its series A funding round. The funding round was led by new investors that included Angel investor Eric Hahn and venture capitalist firms Signia Venture Partners and Felicis Ventures. Hall's active investor Tim Connors of PivotNorth Capital also participated in the funding round.

Hall assists clients improve their productivity revenues through a speedier and more efficient messaging services that run across all mobile platforms.Hall is said to use the capital to improve the company's engineering and design teams to cater to the increasing demand from clients. These clients include Capital One and Farmers Insurance.

"As both users and entrepreneurs we were inspired by the early innovation delivered in consumer messaging services, yet we know that those services don't work in a business environment. Today there is a pent up demand for mobile messaging that's cross-device, cross-platform and cross-company. With this round Hall will deliver next generation messaging and collaboration solutions which are currently under-served by inadequate or antiquated, on-premise offerings," Hall co-founder and chief executive, Brett Hellman, explained.