The Surrey-based agency has a brief to target IT managers and businesses in general, and to position the company as an advocate of green computing.
Momentous saw off PMPR, Cobalt Blue and incumbent agency Watsons to win the business.
Momentous founder Katie Olver heads the account. She said: ‘Memset was the first web host to go carbon-neutral and is encouraging other businesses to do the same by outlining the commercial benefits that offsetting a businesses' carbon footprint can bring in terms of cost savings and credibility.'
The account will see Momentous using case studies, online polls, bylined articles and speaking opportunities.