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About Us

Meet the practice behind the smiles. Dentexcel has delivered trusted care to thousands of patients over 30 years.

Trusted City of London & Harley Street Dentist

A Trusted Name in Dentistry for Over 30 Years

At Dentexcel, we offer more than just dental treatments. We offer consistency, experience, and calm professionalism.

Led by Dr Keith Cohen, a respected figure in British dentistry, our practice has delivered care to thousands of patients over the past three decades. While the practice has evolved, relocated, and grown, our commitment to personalised, expert dentistry has never changed.

Our current location in the City is a reflection of transition, not compromise. We are quietly rebuilding, strengthening our foundations, and preparing for the return to our permanent home in the West End. With deep clinical roots and a loyal patient base, Dentexcel continues to prioritise quality, discretion, and long-term dental health over short-term trends.

This is dentistry shaped by experience and delivered with purpose. Whether you are seeking complex restorative treatment, Invisalign, or honest guidance about your options, you are in safe hands here.

Led by Expertise,
Grounded in Integrity

Dr Keith Cohen has treated over four thousand Invisalign cases and brings over thirty years of implant and restorative experience to every consultation. He is also one of the few UK dentists accredited to provide Digital Smile Design (DSD), a globally recognised system for comprehensive smile planning.

But Keith’s reputation is built on more than qualifications. It is built on consistency, honesty, and care. Patients trust him not only for the results he delivers but for the way he works, calmly, thoroughly, and with genuine respect for their needs and preferences.

This ethos runs through every part of Dentexcel. From how we plan treatment to how we maintain communication, our goal is to offer dental care that feels tailored, reassuring, and quietly exceptional.

Our Practice Values

At a time when dental clinics often feel fast-paced or overly commercial, Dentexcel stands apart. We believe in continuity of care. We believe in clinical planning that is evidence-based, not marketing-led. And we believe in delivering work that lasts.

Many of our patients have been with us for decades, and many new patients come to us through personal referrals. This loyalty is not taken for granted. It is earned through careful listening, measured recommendations, and a commitment to getting things right the first time.

We work with a trusted network of specialists, including consultants from Guy’s Hospital and expert paediatric practitioners, ensuring that even the most complex needs are managed collaboratively.

Every treatment plan is considered in context, guided by what is best for your long-term health and wellbeing.

A Practice in Transition,
Not in Flux

Dentexcel’s current home in the City represents a chapter in our story, not the whole book. The practice was previously based in the West End for many years and will return there once renovation works are complete. In the meantime, we continue to offer our full range of services from our City location with the same standards, same clinician, and same ethos.

We understand that change can be unsettling for patients.

That is why we have worked hard to maintain consistency across all touchpoints, from communication and technology, to follow-up and support. Our aim is to make this period of transition feel seamless for those who trust us with their care.

While the physical space may change, the core of Dentexcel remains the same. We are still here. Still focused. Still delivering dental care with excellence and integrity.

Connect with a Practice
That Puts You First

If you are looking for a dental clinic that values trust, skill, and stability, we welcome you to Dentexcel. Whether you are a returning patient or a new one, you will find the same thoughtful, expert care that has defined our practice for over three decades.

Book A Dental Appointment in Harley Street

Whether you come to us for a routine check-up or a full smile makeover, you will always receive the same level of care, compassion, and expertise from every member of our team.

Hear From Our Smiling Patients

I just finished my Invisalign treatment after 2 years of treatment. Highly recommend this place. The dentists are very professional and the staff are friendly as well. Can be a little pricey but worth… Read More

Masahiro Takigawa

I went for a 5-year package Invisalign. During the whole progress the receptionists and doctors are all very friendly and professional, especially I want to shout to dr Cohen and Maria. I am also happ… Read More

Chen Jin

I did Invisalign with Dr Cohan. The treatment went on well. I also did teeth cleaning and retainer with Dr Maria, who is very kind and attentive.

Jessie

I had tooth cleaning done there, the dentist is very professional and will make sure I’m comfortable with each steps, she explained well to me before starting, after finished she even showed me the … Read More

S Chen