Account Director
The MISSION Group · London, United Kingdom · Hybrid
Posted Sep 28, 2026
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We’re looking for an experienced Account Director to join the team at Bray Leino, leading and growing key client relationships, overseeing the delivery of high-quality integrated campaigns, and driving strong commercial performance across one of our largest and most high-profile accounts – Post Office.
Working within a collaborative team, you’ll act as the central link between client and agency teams, bringing together strategy, creative and delivery to produce effective, insight-led work that delivers measurable business growth.
Alongside leading multiple workstreams and senior stakeholder relationships, you’ll take ownership of account performance, identify opportunities for growth and play an important role in developing and motivating a high-performing account team.
The role is hybrid with a London office base (minimum 3 days/week), but we’re open to discussing individual flexibility needs.
About Bray Leino
Bray Leino is a full-service creative agency and part of The MISSION Group Plc. For more than 50 years, we’ve been driven by the belief we now call Create Better: finding better answers to complex business and marketing problems, creating better customer experiences and delivering better outcomes for ambitious brands.
Today, more than 300 specialists bring together strategy, creativity, technology and media to help clients, across the UK and internationally, navigate change, unlock growth and turn ideas into effective work at scale.
At Bray Leino we bring recognised depth to retail, automotive, food & drink, industrial B2B, healthcare, and professional, financial & utility services, where specialist knowledge leads to more effective thinking, creativity and results.
About Post Office
Post Office is one of Bray Leino’s largest and most high-profile accounts, placing us at the centre of one of the UK’s most recognised and trusted brands. As lead creative agency, we drive the brand’s strategy, creative vision and end-to-end production across owned and paid channels including advertising, social, digital, in-branch, customer experience, web and email communications. It’s a broad a varied remit with real scale, impact and visibility.
Key Responsibilities:
Act as the senior client lead, building strong, trusted stakeholder relationships
Lead the end-to-end delivery of integrated campaigns across multiple workstreams
Develop a deep understanding of client businesses, commercial priorities, performance, and competitors
Manage the development of creative briefs and communications strategies
Translate client objectives into clear direction for internal teams
Work closely with planning, creative and specialist teams to deliver high-quality, effective work
Ensure all work is delivered on time, on brief, and on budget
Take ownership of account commercial performance, including budgeting, forecasting, and profitability
Identify and drive account growth opportunities, including upsell and cross-sell
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