Antram's will offer the range, which is invested in a selection of trackers and ETFs, as a core part of its investment proposition, the firm said in a statement.

"Although the Thesis models embody our own investment philosophy and outcomes, our portfolio construction process is such that it can comfortably accommodate very different investment outlooks from other financial advisors, and create robust model portfolios to represent them," said Lawrence Cook, director of marketing and business development at Thesis.