Rachel Reeves said: "I will set up more reforms to undo the Tory legacy of neglect and give young people the support and the opportunity that they deserve.”
The discontent came as employees reportedly work longer hours than their European counterparts, while almost a third of workers wished their pay better reflected the work.
Pete Glancy said: "We are less likely to see the statement used as a platform for new policy announcement beyond tweaks to the public finances."
The financial services firm warned that fiscal drag could result in the average earner paying £416 more in tax by 2030.
Research from Shawbrook showed that over a third of SME leaders believed tax breaks for reinvestment (36%) would provide a boost to their businesses.
Steven Cameron warned that rising financial pressures on Government departments could lead to closer scrutiny of both the state pension age and the triple lock mechanism.