Who are we? Our Team



Matthew Gray MWSoc [Snr] BSc ACIPHE

Managing Director 

24 years experience 


I started out as a Mechanical Engineer - Design and Installation of commercial water systems from start to completion. With the growing emphasis on commissioning building water systems I organically moved into water treatment, microbiology and legionella control.  This experience has been very beneficial to me over the years as I am able to see the bigger picture in terms the water management of buildings water systems in both theory and practice. I was involved in the intial research on the proliferation of waterborne bacteria in pressure vessels which led to the inclusion of the advice listed in the current guidance HSG 274 Part 2. I have had several papers published on my research and our intellectual property on this subject has been used at various conferences and presentations throughout the UK.


Specialist areas


Senior Member of  The Water Management Society  and Institute of Plumber and Heating Engineering 


20+ Years - industry experience


Infection Control

Bacterial and Viral infections

Legionaires disease

Water chemistry

Water microbiology

Water management

Mechanical engineering - installation of plumbing services 

Legionella Control

Water systems design

Risk assessment and management control

Expert witness

Business Law


HOBBIES - Muay Thai Boxing, Football , Golf , Surf Kayaking  and Cars


 Jim Buckman 

Divisional Operations Manager - Water Hygiene  



Over 15 years experience in the Legionella Control industy 



Speciality areas


Legionella Risk Assessor Trainer 

General operations 

Legionella Control - qualified

WMSoc Trained in several courses

First Aid 

Health & Safety Management

Safe systems of work 


Hobbies - Family and Rugby 


Craig White 

Technical Drainage Manager


I have been working in the Industry for many years as an engineer and manger focusing on both  commercial Drainage and Clean Water systems . 



Speciality areas


Many years  industry experience







Sebico Matthew BSc [Hons] PgDiP

Water Hygiene Account Manager 


From University I came to work at Sweetbriar to assist the account management process and provide legal advice on contracts, statutory obligations and intellectual property.  I am qualified to carry out Legionella Risk Assessments  am currently studying my Masters of law in Intellectual property. 



Intellectual Property

Expert Witness Work 

Legal respresentation 

Statutory Obligations 

Legionella Risk Assessments



HOBBIES - Football , Boxing , MMA 


Josh Godfrey

Technical Manager - Pumps


I have been working in the Industry for many  year  working for several pump and water hygiene companies



Speciality areas


Clean Water Pumps - Booster sets

Pressuriation units 

Drainage - stations 

Electrically qualified - 18th Edition 

City and Guilds levels 1,2 3 in Plumbing and Heating 





I have been with Sweetbriar for 20 years working alongside Matthew and assisting him on a daily basis.



Luke Carden 

Senior Engineer - Water Hygiene 


I worked for Sweetbriar many years ago and decide to come back to the place where I learnt my trade - I have been in the indusrty for over 10 years 



Speciality areas


Legionella Risk Assessments 

Chlorination and disinfection

All tasks in HSG 274 table 2.1 

Closed water systems 

Cooling systems 




                      Not forgetting our engineers and assessors -  Koffee. Ryan.  Seb. Joe. Krish

                                                                                     Rohin, Adrian, Connor , Ashley

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