Located in historic downtown Portsmouth New Hampshire, The One Hundred Club, provides upscale Private Rooms, unparalleled hospitality and everything one would need to host a successful corporate or private event. Our professional events planners are at your service to help make your event a resounding success. We work with you in every phase of the planning process handling all logistics, deadlines and details. From board meetings to corporate retreats, trainings to client appreciation events, The One Hundred Club has been exceeding expectations for leaders in business since 2002.