Who are we? Our Team


Matthew Gray MWSoc [Snr] BSc CIPHE

Senior Analytical Consultant 

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. 


Specialist areas


20+ Years - industry experience


Infection Control

Bacterial and Viral infections

Legionaires disease

Water chemistry

Water microbiology

Water management

Mechanical engineering

Legionella Control

Water systems design

Risk assessment and management control

Expert witness

Business Law


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


 Curtis Hadley  TechIOSH


Keen interests in Health and Safety 


I started at Sweetbriar just under 4 years ago after leaving my position as a supervisor in a well known blue chip company. Since being at Sweetbriar I have learnt so much about the water industry and health and safety and believe that my driven focus enabled me to gain a promotion in a short space of time. 



Speciality areas


General operations

Legionella Control - qualified

IT systems 

Health & Safety Management

Safe systems of work 


Hobbies - Mountain Biking and Photography


Mike Keitley MWSoc DipHE

Legionella Consultant 


Been working for Sweetbriar for 6 years and have built up a good friendship with Matt. I enjoy the consultancy side of the business as I have a keen interest in analysis. 



Speciality areas


15 Years Science industry experience


Water Regulations

HSG274 , L8

Legionella Risk Assessment



Chemistry, Physics and Biology


HOBBIES - Reading , Spending time with Family





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


Krishna Sellamuthu

Experienced Engineer - Pumps - Disinfection 


I have a keen interest in how things work , breaking down mechanical components as much as possible and analysing the role of each component. I previously worked as an electrical engineer with 15 years experience.



Water Hygiene - Qualified 

Disinfection of water systems - Qualified 


Inspection and Monitoring

BPMA - trained


City and Guilds Trained  



HOBBIES - Family and Cars 

Sebico Matthew BSc [Hons] LLMs

Accounts and Legal 


From University I came to work at Sweetbriar to assist the accounting process and provide legal advice on contracts, statutory obligations and intellectual property. I am currently studying my Masters of law in Intellectual property.



Intellectual Property

Expert Witness Work 

Legal respresentation 

Statutory Obligations 



HOBBIES - Football , Boxing , MMA 

And of Course we wouldnt be a team without our engineers 

                      Rondy . Michael. Jack. Koffee. Ryan. Krish. Seb. Matt. Edd. Adrian, Connor , Ashley

Print Print | Sitemap
© Sweetbriar Ltd