Lighting for Life, Health
& Place

What We Do

Professional Lighting Design

Independent Lighting Assessments and Design for Planners, Developers, Schools, NHS, Offices, Retail and your Home

Light and Health

Light is More Than Just Functional, Light Nutrition Supports Sleep, Biological Health, Ecology, and Compliance

Employee Wellness and Fatigue Management

Lighting Design for Human and Environmental Health. Fatigue Management and Improving Health from Cradle to Grave.

Education and Training

Led by Lorraine Calcott IEng FILP IALD CLD MSLL MCIBSE MBSS, one of the UK’s most esteemed lighting designers and light for health experts. Talk to us about our courses, webinars, sleep retreats and light and health seminars.

What Makes Us Different

Latest Updates

Our Ethos

At it does Lighting Ltd, we believe that light should do more than simply illuminate. It should enhance health, protect the natural world, and support human wellbeing indoors and out, day and night.

With nearly four decades of award-winning experience, our ethos is rooted in scientific integrity, independent thinking, and a deep respect for the interplay between light, biology, and the built environment.

We champion thoughtful design over quick fixes and always advocate for solutions that are as responsible as they are remarkable.

Our Mission

Our mission is to deliver world-class lighting design and consultancy that improves lives, safeguards ecology, and elevates the spaces people live, work, and heal in. Whether guiding policy, training professionals, or shaping national infrastructure, we aim to embed spectrally specific, evidence-led lighting into the heart of every project. We encourage daylight exposure every day to get your quota of #LightNutrition, essential for mitochondrial cell health.

Through education, innovation, and relentless curiosity, we bring light to life, supporting healthier humans, happier ecosystems, and a more balanced future.

Our Clients