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Theorem expands UK operations, promotes Harding

Theorem logo
Theorem, Inc., a supplier of creative services, ad/search/email operations and analytics, has announced the opening of new UK offices and promotion of Business Development Manager, Marcus Harding to Director of Business Development, UK.

In his new role leading UK operations, Harding’s responsibilities include acquiring and on-boarding all new clients, successfully representing and promoting the services of the company and proactively driving revenues for the region.

Prior to Theorem, Harding spent over 10 years working within the media and digital professions including time as an Agency Sales Manager at Tacoda-AOL and Account Manager for Viacom Outdoor (CBS Outdoor).

Theorem opened its first London office in 2008, to deliver sales, business development capabilities and provide client services solutions. The UK team has grown to a dozen multilingual account managers supporting the Microsoft Advertising account, with other clients include Channel 5, Citywire and more than 20 other digital firms.
“Since partnering with Theorem in early 2009, we’ve found them to be a solid and reliable support to our digital operations team. They focus on delivery and accuracy and our relationship with them has allowed us to free up a lot more valuable resource time”Gareth Williams - Operations Director – Citywire (February 2011)
“The impetus in expanding our UK operations was increased market demand and existing customer feedback,” adds Jay Kulkarni, Theorem Founder and CEO. “We plan to continue our international growth to better meet the needs of our multinational customers.”

Its new offices are based at 48 Charlotte Street in Central London.

About Theorem, Inc.

With more than 700 employees on four continents, Theorem, Inc. is a global leader in creative services, media operations and analytics, providing localised account management to over 100 leading agencies, publishers, networks, technology providers and brands. For more information, visit or call 0203 178 7203.

Theorem is an Associate Member of AOP.

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