We help global brands shape their sustainability strategy… and share it with the world.

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.

Find out how we can help you

Our work

We add character to your credibility with compelling storytelling and fierce creativity. Build trust, enhance reputation and drive positive change.

See how we’ve helped others

Building a world-class reporting suite

Enhancing GM’s disclosures against best practice reporting frameworks and regulatory requirements.

Driving change on the global stage

Delivering a compelling coffee sustainability manifesto

Connecting consumers to the journey behind every sip to build a more sustainable coffee sector.

Bringing consumers closer to their coffee

Evolving through integrated reporting

Sharing a story of transition, impact and future ambition in the Duchy of Cornwall’s integrated report.

Looking back on a legacy

Engaging stakeholders for industry action

Bringing Cargill’s BeefUp Sustainability program to life with bold visuals and engaging campaign materials.

A more sustainable beef industry

Sustainability reporting that makes a difference

IDB Invest’s sustainability report demonstrates the value of development financing in Latin America and the Caribbean.

Financing the development of the future

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.

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