Yellow safety sled with two mounted flashlights on a black background.

We invent things
to help good causes.

We work with charities, for free, to design equipment to help our planet.
Our projects are funded through brand partnerships.

I'm a charity
I'm a company

Watch our films

We work with purpose-driven companies:

Close-up of the logo with the word 'Accu' in stylized white letters on a black background.
A logo with a stylized letter 'T' and the text 'The Journal of Transplantation'.
Mouser Electronics logo with a large letter M inside a square and the company's name in bold text.

A tangible impact

A close-up of a drone with four propellers, a camera underneath, and a blue and black remote controller attached to the drone.

Our whale-monitoring invention, WHASER, has now been deployed worldwide.

It has already helped measure over 150 whales with Whale Wise in Iceland alone.

Our projects:

A young man wearing sunglasses, a gray cap, a turquoise long-sleeve shirt, and shorts is kneeling on one knee next to a yellow powered parachute, working on its mechanical parts under a clear blue sky.

Mission: Seagrass

Automating seagrass collection
for restoration.

100 x faster than traditional methods.

See what we did

Anti-poaching K9 kit

Saving rhinos by protecting anti-poaching dogs.

Live-streaming, K9-mounted cameras.

Make it happen

WHASER

A better way to measure whales for science.

Now deploying worldwide.

A person wearing a brown beanie and black jacket holding a drone in the air against a sky with clouds.
See what we did

A note from our founders

“ Billions are spent on performative marketing stunts every year. That funding rarely makes a positive impact.

We think this is stupid, so we’ve built Tandem to fix it. Brands fund real work for causes that deserve it. The content that comes back is extraordinary because the story underneath it is true.

Brands get brilliant marketing material.

Good causes get inventions for free.

We get to build ridiculous things.

Everyone wins. ”

Sam & Ed

Get in touch ↓

Team

Sam Rogers | Founder

Chief Design Officer & Test Pilot
Gravity Industries

3D Printed Rocket Engine Expert
UK, Europe, USA

International Speaker and Presenter
New Scientist, TEDx

Edwin Towler | Founder

Concept Engineer, Tech Strategist
ARRIVAL

Head of New Product Development
EAV

Conservation Photographer & Filmmaker
BBC Wildlife, Leica, Ford, etc.

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Marguerite Poupinel

Seasoned producer with credits across major broadcast productions, from landmark travel shows to The Grand Tour.

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Felicia Morizet

Award-winning producer and co-founder of Blind Mice Films, known for work with Nike, FIFA, and The North Face, and for championing fresh talent.

Thomas Constant

Serial entrepreneur, Tom has built an insect-farming business spanning four continents and is now helping Tandem grow its impact.

A middle-aged man with a bald head and a slight smile, wearing a blue shirt and light gray pants, sitting outdoors on rocks with a background of dark volcanic rocks.

Rob Love

Co-founder of Crowdfunder, Rob’s pioneering career spans the inception of the ground-breaking TV show Big Brother’s online platform through to River Cottage - the ethical food brand.

Raj Singh

Co-Founder of Tappable and a seasoned entrepreneur with a history of supporting early-stage startups, experienced in building transformative technologies.

Join us on the next project.

We have a few spots left for companies to help anti-poaching dogs in South Africa.

Learn more →

Ready to work on something brilliant?
Get in touch:

"Billions are spent on performative marketing every year.
We think that's stupid. So we fixed it."