The Search Works will handle both pay-per-click and search engine optimisation to increase the company's visibility in search engine listings.
The Search Works will work closely with The Body Shop's in-house marketing team to drive customers to its and capitalize on seasonal cosmetic trends.
David McQueen Johnston, e-commerce director at The Body Shop, said "It was our aim to enlist a UK-based agency capable of meeting our need for a dynamic and flexible SEM plan."
"We chose to approach The Search Works directly on the strength of their expertise and experience of managing bespoke search campaigns in the retail sector."
Chris Simpson, marketing director at The Search Works, said: "We are delighted to be bringing our specialist experience and knowledge in the retail sector to such an established and successful brand."