Formed in 1979, Middlefield Group creates and manages specialized investment products for individual and institutional investors and has assets under management of approximately $3 billion. Investment products include closed-end funds, mutual funds, private and public resource funds, real estate funds and a venture capital fund. Middlefield Group has approximately 70 employees with offices located in Calgary, Toronto, San Francisco and London, England. Clients include Canadian and international financial institutions, corporations and individuals. Its services are provided in Canada primarily through Middlefield Capital Corporation (a member of the Canadian self-regulatory organization that regulates investment dealers) and internationally through Middlefield International Limited in London, England (which is registered as a member firm with The Financial Services Authority in the United Kingdom). In addition to asset and investment management, the services provided by Middlefield Group include corporate finance, merchant banking, financial advisory and securities placement activities.

Middlefield Group's role in its fund management business includes the creation and structuring of investment vehicles, the completion of offerings to investors, the identification, selection and monitoring of suitable investments, acting as registrar and transfer agent, monitoring regulatory compliance and providing reports to investors on operating and financial performance and for income tax purposes.