The Medical Affairs Company (TMAC) | 53,532 followers on LinkedIn. Your Partners in Medical Affairs | The Medical Affairs Company (TMAC) is one of the world’s leading outsourced medical affairs solutions providers that partners with biopharmaceutical, diagnostic, and medical device companies to establish or augment their medical affairs capabilities, helping treatments reach patients faster. Our depth of industry knowledge and strong track record of over 25 years advances medical affairs as a strategic pillar in driving healthcare forward. Our innovative ecosystem offers quality solutions to make the commercialization process more efficient, compliant, and agile.