Meet the Team

A trusted, local team dedicated to delivering reliable and professional service.

John Briggs

Admin coordinator

John is a retired civil servant who now supports our admin and sales operations. With a wealth of experience, a strong work ethic, and a friendly, approachable manner, he plays a key role in keeping everything running smoothly. His attention to detail and commitment help drive the business forward and ensure a great experience for our customers.

Mark Dono

Founder

With a vision to build something meaningful, Mark founded GJO Oven Kitchen Appliance Cleaners through hard work, resilience, and a commitment to doing things the right way. What started as a personal journey has grown into a trusted local service helping homeowners across SE London bring their kitchens back to life.

Focused on professional oven cleaning, eco-friendly products, and reliable service, Mark takes pride in delivering high-quality results with a personal touch. Every job is approached with care, honesty, and attention to detail.

Fully insured Local Reliable service you can trust