John qualified as a solicitor in 1983 and has been a partner in the firm since 1990. John has a broad base of experience in the law with many longstanding client connections, and is a Recommended Lawyer in the 2019 Legal 500, singled out as 'a real expert in the field who knows his game'.
He now specialises in property transactions and heads the Real Estate Department, which is building up connections in the retail, hotel and leisure sectors. Praise from the Legal 500 in previous years has included ‘a poised and rational presence in the most difficult of situations’, as having “excellent communication skills”, and being ‘very solid in his knowledge, and objective in his advice’ with 'in-depth knowledge'. The 2020 edition describes him as 'a calm presence who knows how to mobilise large teams on high value hotel transactions', 'a calming influence and can coordinate large teams on the more complex matters', and 'very approachable with an in depth understanding of the market'.
He acts for clients in connection with commercial and investment property, property development and financing as well as high value residential property and complex leasehold transactions. John is also the appointed person for the Conveyancing Quality Scheme, to which the firm was one of the first in London to be admitted.
In recent years he notably acted in a 10 million pounds hotel acquisition, and recently he acted for a major lender in the purchase of two leading hotels valuing 5 million pounds. He has been instrumental in securing significant panel accreditations. He also remains the lead contact for the firm’s bank work.
John O'Callaghan's recommendations
‘The whole experience from start to end has been more successful than we expected. Without doubt this is because of the great service, advice, and attention we have received from you. We especially appreciate periodic updates we have received, the diligence that has been applied to all aspects of the transaction, the approach taken in dealing with other parties, and your keen scrutiny of the bills you received from the solicitors acting for the freeholder and intermediate landlord. The overall result is excellent.’
‘We were delighted with the help you gave us and have already recommended you to friends. Thank you!’
‘I had an excellent experience and will gladly recommend the firm to others and instruct again in the future.’‘Thank you very much for your help regarding the purchase of my property, which was dealt with in a professional and efficient manner.’
'I was very satisfied with your prompt, attentive and extremely helpful guidance.'
‘John O’Callaghan 'is a real expert in his field and knows his game' - The Legal 500 2019
‘Key figures include practice co-head John O'Callaghan, whose ‘25 years’ experience ensure that the most complex cases proceed with speed’ - The Legal 500 2017
‘A poised and rational presence in the most difficult of situations - The Legal 500 2013
John O’Callaghan is ‘intelligent, experienced and reassuring’ – The Legal 500 2013
‘Very solid in his knowledge, ...objective in his advice’ The Legal 500 2012