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Our team

Jonathon Gray
Founder and Director

Chartered Management Accountant (CIMA)

Jon qualified as a Chartered Management Accountant (CIMA) in 2002. He graduated with a Masters in Chemistry from Oxford University in 1997, after which he began his early career in management and financial accounting.


This evolved to incorporate business analysis and project management. His employers have included two international investment banks, a FTSE 250 inter-dealer broker and a small commodity trading company.


He set up JLSN Limited in 2011 to provide private consulting work.  When Jonathon obtained his Practising Certificate in 2014 he expanded the business to offer accounting services to small businesses.


Lorraine Gray

Chartered Certified Accountant (ACCA)


Lorraine qualified as Chartered Certified Accountant (ACCA) in the UK in 2017.  She graduated with a Bachelor of Business Studies from Unitec Institute of Technology in Auckland, New Zealand.

She started her financial services career in 1993 working for a chartered accountancy practice in central Auckland.  In London she worked in fund management accounting for a FTSE 100 insurance company and at VP level in the middle office of two international investment banks.

She has volunteered as a trustee treasurer and independent examiner for local community charities.  She joined JLSN in 2014.