Improving crop utilisation of native soil phosphorus via inoculation with phosphate solubilising bacteria (PSB) could alleviate agricultural reliance on a finite supply of rock phosphate derived fertilisers. Myo-inositol hexakisphosphate (IHP, phytic acid) and its salts make up a large part of native soil P across a range of terrestrial environments. Release of orthophosphate from IHP is mediated by phytases, a family of hydrolytic phosphatases. Precipitated ferric phytate (FeIHP) is commonly found in acidic soils and is resistant to phytase breakdown. Pseudomonas sp. BdE1 was isolated from the roots of Brachypodium distachyon grown in soil collected from mixed use agricultural land and produces an extracellular phytase and extracellular siderophore. Growth of Pseudomonas sp. BdE1 in liquid culture containing FeIHP as the sole P source was observed with an associated decrease in pH. In enzymatic assays, the addition of a siderophore solubilised FeIHP, allowing its hydrolysis by a phytase. Inoculation of Triticum aestivum plants grown in quartz sand with Pseudomonas sp. BdE1 led to significantly increased total shoot P when grown with sodium phytate (NaIHP). An increase in total shoot P was not observed in inoculated plants grown with FeIHP. Rather than an absence of phytase in the rhizosphere, these results suggest that sorption processes such as precipitation reactions remain the largest barrier in mobilising IHP as a P source for plants. In the future, rather than repeating experiments to increase the amount of phytase in the rhizosphere, further investigation into the mechanisms behind microbial solubilisation of sorbed IHP is needed. Additionally, further understanding of the relationship between PGPR and cereal plants is needed to improve root colonisation and future biofertiliser formulations.