
Our People your team
Established in 2018 to service the Life Science sector in the West of Ireland, Within the 1st year we were engaged in projects nationwide. This is because of our vast experience in delivering complex, fast-tracked projects for our pharmaceutical clients. OSENG has a team of highly skilled engineers who act on behalf of their clients providing design, project management, cost management, commissioning and validation advise specific to each project. We always represent our client’s interest delivering innovative engineering solutions to the Pharmaceutical, Medical Device and Commercial sector. Our Managing Director Gary maintains a full oversight on all projects and contact with the project sponsors to ensure expectations are met and exceeded. OSENG prides itself on integrating with our clients to understanding their requirements and with our construction knowledge delivering effective and innovative solutions to meet our client’s needs.
Our office is fully equipped with the latest technology to allow us to deliver for our clients.
History of OSENG

Company set up by Engineer Gary O' Sullivan in a small, serviced office in claremorris, Mayo.
Secured first Contract for AbbVie Ireland – WWT removing API from wastewater using an innovative UV Technology and removing over 100 tankers off Irish Roads per Annum. Project was the Winner of AbbVie Presidents Award 2020.
Opened 1st Office in Claremorris.
Year of Covid – OSENG continued to expand and hire staff. 34 New Projects Secured across the Pharmaceutical Sector
Expanded Office Footprint Increased Employee Count to 10. 32 New Projects Secured and counting across Ireland within Pharmaceutical, Medical Device, Logistics and Agritech Industries
Watch This Space. Big Things are Coming