We help global brands shape their sustainability strategy… and share it with the world.
Our expertise and our work
Our expertise
With over 25 years of sustainability expertise, we believe in storytelling that is serious but never stuffy. Along with impressive corporate reports and data-led strategy, we tell powerful stories with energy, creativity and humour.
Our work
We add character to your credibility with compelling storytelling and fierce creativity. Build trust, enhance reputation and drive positive change.
Featured work
Helping Nestlé communicate shared value
We have supported Nestlé since 2008 on the path to becoming a robust reporting leader.
Delivering a compelling coffee sustainability manifesto
Connecting consumers to the journey behind every sip to build a more sustainable coffee sector.
Engaging stakeholders for industry action
Bringing Cargill’s BeefUp Sustainability program to life with bold visuals and engaging campaign materials.
Transparent, robust and accessible disclosure by the Duchy of Cornwall
How a unique organisation communicates value creation using latest thinking on effective disclosure.
Making sure plastic waste is not just a drop in the ocean
The WBCSD’s Alliance to End Plastic Waste unites leading industrial companies under the shared goal of cleaning up our planet.
Who we work with
We’re proud to work behind the scenes with some of the world’s most well-known brands, helping them bring their sustainability stories to life.
Why work with us?
See why our clients love us, trust us and stay with us as they evolve.
Serious expertise
For over 25 years, we’ve blazed trails in sustainability reporting. Ranked in the top 3 globally by Corporate Register for consultancy on sustainability reports.
Daring creativity
Flag is a creative powerhouse. Expect fresh and persuasive storytelling, from high-impact copy and design to video production and media relations.
Unifying diversity
Female-led and diverse both culturally and geographically, Flag brings a fresh and global perspective combined with a universal passion for sustainability.
Conscientious credibility
We’re proud of our reputation for strategic advice and thought leadership. Our professional team has both in-house and consultancy experience.