To launch the new partnership, AXA branding will feature on the Reds' new collection of New Balance training apparel next term.
Liverpool will begin training in the new range this summer ahead of the 2019-20 campaign.
Billy Hogan, managing director and chief commercial officer, at LFC said: “We’re delighted to be expanding our partnership with AXA to see them become a principal partner and new official training kit partner.
“As a world-leader in its industry, AXA shares our ambitions and values, and we’ve already shared a lot of success since our partnership began in 2018. We look forward to building on our special relationship and continuing to bring to life fantastic experiences for our fans around the world.