Meet The Team
David Sparrowe
Co-founder and Owner
David has over 15 years’ worth of water industry experience. He started his career as a field service engineer and progressed to engineering and customer focused roles. Professional qualifications include; Authorising person for water in hospitals, Diploma in steam boilers and Legionella risk assessments.
Compliance and operational efficiency are at the heart of his commitment to customer service delivery.
David is a proud member of the Water Management Society and IHEEM. Areas of expertise include risk identification, portfolio management, customer service and business strategy.
Simon Walters
Co-founder and Owner
Simon has invested over 18 years in the water storage, treatment and engineering industry, managing large, high profile projects throughout the UK and the rest of the world including Africa and Europe.
Simon’s high professional standards, attention to detail, and the value he places on quality customer relationships have earned him the trust of leading water storage and treatment companies to project manage from start to finish.
With vast experience in training large teams of engineers, Simon takes responsibility in ensuring that all of DSW’s engineers work to high standards at all times and have a can-do attitude. A progressive approach to improving engineers and project delivery are Simon’s main motivator.
Lynne Reynolds
Finance and Operations Director
Lynne has been part of the DSW team from the company’s inception. Lynne is the general manager and responsible for the day-to-day running of the financial and office-based operations.
Lynne has experience in every office-based role within DSW, and as such is well-placed to ensure the smooth day-to-day operation. Providing training and support for the internal customer service team, finance, HR and administration Lynne is integral in ensuring DSW continue to improve in all areas.
Elliot Betts
Water Treatment and Engineering Manager
Elliot is a hands-on Manager and oversees a variety of engineering projects. Well-versed in cold water tank construction and remediation he also oversees a variety of plant installs and full plant room refurbishments.
Health and safety is an area that Elliot excels in, providing critical risk assessments and tool box talks on larger multi-faceted projects. Elliot manages and implements a strategic and robust training program for his team as he aims to constantly improve their ability.
Olivia Jackson
Customer Service and Compliance Manager
Olivia is responsible for the day to day running of DSW’s internal customer service team. She ensures that all internal processes are followed so that DSW’s customers receive a seamless service from enquiry through to booking in and issuing certification.
Olivia provides training in customer service, sales and data compliance to ensure DSW comply with industry accreditations.
Jack Wall
Customer Accounts Director
With over 15 years of experience in the water hygiene and compliance industry, Jack has developed extensive expertise across a diverse range of sectors, including social housing, NHS facilities, leisure centres, and prominent landmark buildings throughout the UK. His hands-on experience and in-depth knowledge allow him to navigate the unique challenges of each environment, ensuring compliance with the highest standards.
Jack is passionate about understanding the specific needs of his customers, working closely with them to tailor solutions that foster long-term relationships built on trust and reliability. Known for his commitment to delivering exceptional service, he consistently strives to provide high-quality outcomes that not only meet, but exceed expectations.
Sam Casey
Senior Customer Account Manager
With over 7 years of experience in water treatment and compliance, Sam has developed extensive technical knowledge across a wide range of areas within water hygiene. He is experienced in working in accordance with HSG 274, ACOP L8 and HTM 04-01, with strong knowledge in the legionella management, treatment and maintenance of closed water systems.
Combining strong technical knowledge with a practical, customer-focused approach, Sam is able to understand each client’s individual requirements and provide effective and compliant solutions tailored to their needs. He takes pride in delivering a high standard of service while helping clients maintain safe, efficient and compliant water systems.
Lawrence Glew
Water Treatment Account Manager
Lawrence brings 7 years of experience in account management and business development, a majority of this time has been spent providing solutions utilising in depth knowledge of technically complex products. He has specialist knowledge of closed loop and process water systems as well as Legionella compliance, helping customers stay safe and meet regulatory standards. He plays a key role in identifying customer requirements and ensuring the correct product and service is selected to meet our customers needs.
Callum Steward
Solutions Engineer
With over five years’ experience in the water hygiene industry, his career has progressed from Water Hygiene Engineer to Advanced Legionella Risk Assessor, Account Manager and now Solutions Engineer / Account Manager.
His technical experience covers HTM 04-01, ACOP L8 and HSG274 Parts 2 and 3, with extensive knowledge in Legionella control, water hygiene compliance, monitoring, and remedial solutions.
His approach combines strong technical understanding with proactive portfolio management, delivering high-quality, tailored water hygiene solutions while maintaining exceptional levels of service and client satisfaction.