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Sean McMahon set up McMahon and Partners in the Spring of 2016 having worked in the boroughs of Southwark and Lambeth managing a successful residential estate agency for more than fifteen years.

With a huge amount of experience and contacts, and a large client base, McMahon and Partners, located at 89 Newington Causeway is perfectly placed to provide a first-class service for all your property needs.

A team of dedicated property professionals with more than forty years of combined Central London experience, we provide investment advice and regularly source new opportunities.

Our office is open 7 days a week. Monday to Friday 8:00am till 7:00pm, Saturday 9:30am until 4:00pm and Sunday 10:00am until 2pm. Give us a call or pop in anytime.

Alternatively get in touch via email.

Meet The Team

Sean McMahon

Sean McMahon
Director

Director, experienced property valuer and sales specialist. Sean has been selling and letting property in Southwark and Lambeth for almost twenty years. He has been involved with a large number of residential developments for a wide variety of individual clients and organisations, large and small.

Many clients come back to Sean time and again for his sensible advice and realistic appraisals of what to expect in the everchanging London property market.

Sean is responsible for the overall direction of the business and its profitability.

Likes: Travel, Good Food, Motorbikes, Golf & Football

Mihail Cojocaru

Mihail Cojocaru
Senior Negotiator

Mihail has worked in residential property in London for the past four years, but prior to this had several years experience in property sales in Italy.

Having worked with Sean previously in a former role in Southwark, Mihail spent some time in a North London agency and has now developed into a key member of the sales and lettings team, having gained huge experience and consistently produced results.

Likes: Theatre, Gaming, Keeping Fit, DIY, Man Utd and mainly doing deals!

Louise Castle

Shaun McAtamney
Project Manager

Working closely with Tara, Shaun is responsible for maintaining the upkeep of our buildings and development projects. Ensuring that any maintenance issues are addressed and the landlord is notified of any major works that may be required.

Likes: Travel, Yoga, Music

Louise Castle

Louise Castle
Office Manager

Louise has worked in sales and financial services for more than twenty years. She is an organised individual and provides vital support to all members of the team, and has overall responsibility for the successful and efficient management of our office. An experienced negotiator who has a very good knowledge of the London property market and a keen interest in interior design.

Likes: Interior Design, Property TV Shows, Entertaining at Home & Long Weekends Away

Johnathan Wilson

Johnathan Wilson
Marketing Executive

Johnathan has a keen interest in property. Specialising in marketing and public relations, Johnathan brings innovative ideas to both building our business and selling your home.

Developing a portfolio of both international and local clients Johnathan continues to source new opportunities for the business.

Likes: Movies, Travel, Nights Out, and Skiing.

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