This year, we celebrate our 75th anniversary. Founded in 1949 by Sidney Inwood Sealy, we have grown into one of the foremost and most respected building services engineering design consultancies in the North of England. With almost 40 mechanical, electrical, sustainability and digital design engineers, we are one of the largest specialist MEP design consultancies […]
Read More →News


Our Director, Daniel Madden, will be attending MIPIM 2024, the world’s largest international real estate event, taking place in Cannes 12th – 15th March. MIPIM 2024 will explore the latest challenges posed by global events, the required leadership needed to drive change, the innovation necessary to reshape the built environment, and how to bring everyone […]
Read More →
Pola Kamel has recently joined the Practice as a Principal Mechanical Engineer. He is a highly qualified engineer with over eight years of experience in mechanical building services engineering design. During his career, he has worked in various sectors, including healthcare, residential, and commercial, and has delivered projects such as the Runnymede residential house, Hartlepool […]
Read More →
As we near the end of 2023, it’s an ideal time for us to reflect on our journey so far. We have had an incredible year with many accomplishments. Our company has grown in all aspects. Each one of our team members have played an integral role in our success, and we appreciate their hard […]
Read More →
Today we’re celebrating Steve Kirby’s 10-year anniversary with S I Sealy. Steven joined S I Sealy as an Electrical Engineer in 2013, rising through the ranks to become Principal Electrical Engineer in April this year. Since starting with us Steve has been involved in numerous projects, from commercial retrofit to large new build healthcare projects […]
Read More →
Our team has recently expanded with the addition of three new members, Sibghatullah Nazirullah, Dewan Chowdhury and Raees Ahmad. Their skills and experience will strengthen our team, as we continue to grow our client base. Sibghatullah has joined as a Mechanical Building Services Engineer, bringing extensive experience in designing HVAC and public health systems for […]
Read More →
We have been shortlisted for the prestigious CIBSE Building Performance Consultancy of the Year (Up to 50 employees) 2024 award. This award, now in its 16th year, recognises companies that prioritise collaboration, staff development, building performance, innovation, and energy efficiency. We will be judged based on our examples of innovation in design, refurbishment, operation, and […]
Read More →
We have come to the end of another great year at the IHEEM Healthcare Estates Conference & Exhibition. We would like to extend our thanks to everyone who visited us during the event, had a conversation with us and participated in our trivia game. It is always a pleasure to catch up with everyone at […]
Read More →
Liam Phillips has been promoted to Senior Mechanical Engineer & James Robinson has been promoted to Electrical Engineer. Liam has been with S I Sealy since 2018 and has demonstrated a solid commitment to his professional development. He has a BEng in Petroleum and Mechanical Engineering, and in 2021, Liam became an Associate member of […]
Read More →
Join us on 10th & 11th October at this year’s IHEEM Healthcare Estates exhibition. The IHEEM Healthcare Estates exhibition is the largest event for Healthcare Estates Managers, Engineers, Property Professionals and FM Professionals and is a fantastic opportunity to connect with professionals and provide valuable insights into the latest innovations. Come and visit us on […]
Read More →