In the penultimate round of the SCALA Fresh Connection competition, the team from Mars took the lead with an ROI of 8.68 per cent followed by Muller and Innocent Drinks.
The teams are now entering the 6th and final round of the competition to determine who will to through to the finals at Wroxall in July.
The winning team will be flown to Pisa, Italy to take part in the international final.