About
We redefine commercial design and build projects by truly getting to know you, understanding your vision and guiding you seamlessly through every step of the journey.
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Who We Are
At LUMi, we’re more than just a design and build company. We’re a boutique business dedicated to creating exceptional commercial spaces through a personalised and collaborative approach. Part of the SIMUL Group, our team thrives on creativity, professionalism, and genuine relationships, ensuring each project reflects the unique vision of our clients.
Our Mission
To redefine commercial design and build by putting people at the heart of every project. We guide our clients through every step of the process, transforming ideas into extraordinary spaces with exceptional care and attention to detail.

The Process
From the initial consultation to the final handover, we guide you every step of the way.
Understanding Your Vision
We get to know you and your goals to create a design that reflects your unique needs.

Collaborative Design
Working closely with you, we develop creative and practical solutions.

Seamless Execution
Our experienced team ensures a smooth process, keeping you informed and involved throughout.

Sustainability
We take a responsible approach to every project, making decisions that reduce impact and support long-term building performance. Our teams favour efficient materials, careful waste management and considered design choices that benefit both people and place.
Community
We support the communities we work in through charity partnerships, local initiatives and hands-on involvement. From LandAid to foodbanks, litter picks and client led schemes, we believe every project should contribute positively beyond the space itself.
Standards & Accreditations
We follow recognised industry standards that reflect our commitment to quality and responsibility. This includes working in line with ISO requirements and recognised schemes such as Considerate Constructors, ensuring our projects are delivered with care and professionalism.
Meet Charlotte Arnold, Managing Director
Charlotte leads LUMi with a passion for creating beautiful spaces and building lasting client relationships. Her extensive experience in commercial interiors, combined with her commitment to excellence, ensures that every project is delivered with care and creativity.
Transcript
LUMi was established by SIMUL Group, our parent company, to deliver boutique, design and build projects across a range of different business sectors.
We light the way for our clients, guiding them throughout the whole process. Collaborating, ensuring they are heard and working with their approval at all times.
Nothing defines our brand more clearly than our individual corporate values. They are the roadmap to which enables our success.
Personable.
We lead with people. Putting our staff and our clients and our suppliers first.
Exceptional.
With our shared professional knowledge and extensive experience, we provide exceptional solutions.
Considerate.
Not only do we consider others, we consider every detail of our projects and we pride ourselves on delivering extraordinary results.
We deliver exceptional, tailor-made projects to our clients on time, on budget and fault free.
We’re with our clients every step of their journey and beyond.