Merchant Development Systems, Inc., helps small businesses, associations, and nonprofits connect with their customers, clients, and members.  Launched in 1999, MDSI champions the needs of small organizations and provides them with an easy and affordable way to build successful, lasting customer relationships.

MDSI's leading Branded eMail platform, supported by our expert personal support and service, helps all types of small businesses and organizations send professional-looking emails, and enables a dialogue with their customers.  Today, more than 175 customers worldwide trust Branded eMail to help them connect with their audience. Read our Overview.

With Branded eMail, you'll also have the latest industry information and education to help you learn email marketing and survey best practices.  Plus, you'll benefit from our high email deliverability rates due to our strong partnerships with our ISPs, our no-tolerance spam policy, and our involvement in organizations such as the ESPC (Email Sender and Provider Coalition).

MDSI strives to provide you, our customers, with superior products backed by unsurpassed customer service.  If you need anything or have a question please contact us and we will be more than happy to help you with any issue, product, and/or new technology.