24/7 Helplines:

01292 619799 / 01355 203 333

Office/Sales: Open Mon-Fri, 8am-5pm

Which? Trusted Trust


O’Neil is a family run company providing a full range of services to home owners and businesses in Ayrshire. We also provide services to clients in Renfrewshire and South Lanarkshire.

O’Neil has been delivering quality services to happy customers since 1995 and each year carry out over 15,000 installation, service and repair jobs across the private and public sectors. Our experts install, service and repair all makes and models of Gas, oil and LPG appliances. As well as providing highly skilled plumber available to repair anything from a leaking tap to a full bathroom suite. We have an purpose built Fireplace Showroom where we design and install gas fires and surrounds. We have 17 qualified and highly skilled tradesmen available to deliver a range of services that is why we’re the first place people turn to when it comes to looking after their home and business. We are experts in what we do.

The company has 3 separate divisions…

Installation Division

Our Installation Division offers a range of affordable energy efficient boilers as well specialized installation team to install Gas Fire & surrounds.

Our new Gas Boilers help keep your bills down and come with a full 5 or 7 year warranty.

Our install teams fit more than 600 boilers each year. We are known throughout the West of Scotland as supplying quality boilers brands such as Valliant and Worcester who year after year finish in the top two for quality and reliability in the trusted independent Which magazine yearly report.


O’Neil Care

O’Neil Care is a division of O’Neil that offers homeowners protection that covers their boilers and central heating systems and can save them money on expensive parts and labour in the case of a breakdown.

We also include a free annual service in our protection packages and 24 hour 365 day emergency service. We have engineers based in all corners of Ayrshire.


Repair and Service Division

Our Repair and Service Division offers qualified and highly skilled tradesmen to repair and service all makes and models of gas and oil appliances.

We also employ highly trained plumbers that are available to repair any plumbing issue you have such as a leaking tap, broken toilet, shower or leaking pipework.

All our vehicles are fully tracked by Masternaunt which means we can offer live real time information to our clients on the arrival times of our engineers. Our CRM system, which has details of more than 10,000 customers, allows us to keep all our clients up to date with the progress of their job every step of the way.

We find customers like the personal touch we can offer but at the same time they know that we have been delivering this same high level of service for the last 20 years and are experts in what we do, as our motto states, “big enough to cope but small enough to care”.

Our reputation and standing within the local community is very important to O’Neil. We have long been heralded as a company that offers excellent quality of work for a fair and competitive price. Our commitment to employing local people, supporting local school leavers as well as establishing links with local trade companies means that we have the experience and an innate understanding of the people we serve.

Our desire to always reach the targets set and our willingness to be reflective and flexible in our approach to business means that we have been highly successful for nearly twenty years.

We look forward to taking the company further in the next twenty years and continuing to enhance our reputation as one of West of Scotland’s leading gas contractors.