McGregor & Rosenthal is a firm built by Public Accountants Certified, Lawyers and Industrial Engineers, it was founded in the year of 2003 by the Partners; after they had been working for plus 10 years, both in different industries like process and transforming, maquila plants and consulting, they decided to join their efforts and realize to advisory services idea like integral way to benefit every person and company in order to reduce operation costs.

In the same way the project to realize this firm appeared for continuing necessity from several companies and industries to count on financial information timely, truthful and reliable, of information and advisory for tax and financial purposes, to get a clear management and objectives and the same objectives from companies and to have an additional consulting in production costs, indirect and labor costs, everything for only a cost and by a only a firm. In this way McGregor & Rosenthal begins a new era, it renders professionals and integral services and offers an warranty in all firm's services.

The service attitude for every professional person, who works inside the firm has been the fundamental strength for every company, that we currently offer our professional services and the continue updating and studying for our partners and people has been our pillar and structure in the quality service.