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About Us

Who We Are

Verisys provides specialist testing, commissioning, validation/ verification and other associated services. The company was formed in order to provide Commissioning Services to clients throughout the UK. Since formation in January 2010 Verisys has carried out works for commercial office landlords and tenants, design and build contractors, developers and owner/occupiers. We are a specialist team of engineers and pride ourselves on high levels of customer service and satisfaction.

How We Like To Work

We provide a highly skilled, professional team with a wide range of experience. Our added value stems from our proactive and collaborative approach and our detailed input into the design process whilst providing management support.
We believe in a strong cultural affinity with innovation and a commitment to continuous improvement, this has enabled us to build long term relationships with an increasing number of client’s who value the difference we make to their success.

Meet the Team

Phil Riddeal Verisys

Phil Riddeal


Having joined Verisys in 2018 acquiring a shareholding, I completed the acquisition of Verisys Ltd in April 2022 and I am wholly committed to strengthening the business and building on a great team. We have some exciting plans for 2022 and we thank our existing customers and supply chain for their continued support.
I am the primary point of contact for Verisys from enquiry through to completion and forward support services. With my varied experience in the building services world and extensive project management skills and can-do attitude, Verisys Ltd is looking forward to continued collaborative success. Verisys have carried out works for commercial office landlords and tenants, design and build contractors, developers and owner/occupiers. Additionally, we have worked for M&E Contractors and specialist suppliers across a number of projects and aim to work hand-in-hand with concept designers right through to system sign-off and seasonal commissioning.

Hannah Lupton

Hannah Lupton

Business Manager

Hannah joined the business in 2022 following the acquisition of the business by the management team. Hannah is a natural leader who enjoys managing, training and motivating teams to ensure the provision of excellent customer service, striving to exceed expectations at all times. Hannah brings to the business extensive experience in staff and operations management within our industry with a strong background in customer service.

Bill Holmes Verisys

Bill Holmes

Commissioning Manager

Bill has worked in the commissioning industry for over twenty years and joined Verisys in 2012 as a Commissioning Manager across a wide range of different sectors including leisure, healthcare, education, commercial and industrial.


Notable commissions that Bill has previously worked on include the Media City Project in Salford which consisted of a wide range of office and retail leisure space, one of the biggest HD studio developments in Europe; 378 apartments, a hotel and a brand new tram stop in the heart of a spectacular five-acre piazza, Airedale International Air Conditionings £35m production facility.

Paul Farrugia Verisys

Paul Farrugia

Commissioning Specialist

Paul Farrugia is an extremely capable Commissioning Engineer with over ten years HVAC commissioning experience working across all sectors, nationally. Paul joined the business in early 2019 and arrived with an analytical and can do approach, quickly becoming a key team member.
Connor Adams Verisys

Connor Adams

Commissioning Specialist

Connor joined the business in 2019 bringing a wealth of experience in the Water Treatment sector, and more importantly bringing Water Treatment in house. Connor also has a great “can do” attitude which gives us an advantage over others in the marketplace.

Dale Draper


Dale has recently joined our Operations team with a wealth of experience in the sustainable heating industry – a very hot topic (excuse the pun!) and key to our objective of assisitng our customers in reducing their carbon intensity and increasing system efficiencies in both new and existing buildings. Dale is already making a positive impact and his energy and enthusiasm is infectious!
Evan Walton Hardwick Verisys

Evan Walton Hardwick

Trainee Engineer

We have hired Evan as a Trainee Engineer to give him his well-deserved start in the industry! Evan has a keen interest in engineering and software and we cant wait to put his skills to the test, he is already showing his analytical capabilities on site and utilising our software packages.

At Verisys we take pride in taking on trainees and nurturing them into fully-fledged Engineers so we are excited to see what that journey holds for Evan!