KPMG says it's determined to give back to the Island by raising money for the community.
Last year it raised £30,000 for the Alzheimer's Society - this year all money will go to Wish Upon A Dream.
Staff will host a family fun day called SunPlay with bouncy castles, face painting and games for children.
Justine Howard is in charge of corporate social responsibility and explains why it's so important for companies to give back:
Businesses invited to Southern Agricultural Show
New gym being launched in historic church
Construction careers fair next month
Regulator asks businesses for info to fight financial crime
Chamber of Commerce wants members for election task force
Bank deposits rose over past year
Innovation and Investment forum expands to Island
Conister Bank boosts local charity with record donation