Building Your Visions

With more than 25 years of experience, we have developed a comprehensive understanding of the Construction Industry and established valuable connections over time. As a result, we have provided skilled personnel for a wide range of areas, including:

  • New Build Construction
  • Housebuilding
  • Fit Out
  • Refurb
  • Social Housing
  • Major Civils Projects
  • Major Infrastructure Works

Quality You Deserve

Our fundamental belief is that our responsibility as a staffing agency is to foster a successful partnership between our candidates and clients. We achieve this by meticulously aligning the qualifications, experience, and skills of our candidates with the unique demands of our clients.

This approach is characterised by an unwavering focus on details and a commitment to excellence, setting us apart from our rivals. Our team of devoted consultants possesses extensive industry expertise, ensuring that we can deliver a first class service to our clients and candidates alike.







General Foreman - John Sisk & Sons


M&E Coordinator - John Paul Construction


John Sisk & Sons


M. Fitzgibbon Contractors










Quantity Surveyor


Excellent at matching candidate’s strengths with client’s needs

Clodagh from O’Neill & Brennan was recommended to me by a former colleague. I reached out and discovered that she has a thorough understanding of the Construction Industry and she is excellent at matching candidate’s strengths with client’s needs. With Clodagh’s support, I was able to determine what I wanted from a new role.

Her ability to identify her candidates’ exact needs and skills along with her extensive network of contacts helps to place her candidates in their ideal roles. Clodagh is an ultimate professional and an excellent negotiator for her candidates. I cannot thank Clodagh or recommend her highly enough for her help and support for what has been the best move of my career.

Understands the industry

I have known Clodagh Kerrigan for a number of years, she has organised a number of placements for me. She understands the industry and ensures that she gets to get to know the candidate, to ensure a good fit. I trust Clodagh with my CV and know that she will issue it only to companies for which I am suited. I recommend her and wish her continued success.

Highly professional, approachable, and dedicated

Lorcan is an excellent recruitment consultant for construction professionals seeking new job opportunities. He is highly professional, approachable, and dedicated to his candidate’s success. Lorcan goes above and beyond to ensure a smooth and stress-free recruitment process, providing guidance and support from start to finish. His attention to detail and commitment to his work make him a valuable asset to the construction industry.

Highly professional and attentive throughout the entire process

Lorcan helped me secure an outstanding new job opportunity this year, and I couldn't be happier with his services. He was highly professional and attentive throughout the entire process, providing me with the support and guidance I needed to get hired. Lorcan kept me informed and updated every step of the way, making sure that I was always in the loop and fully prepared for each stage of the recruitment process. Overall, Lorcan is an excellent recruitment consultant who is committed to his candidate’s success, and I would highly recommend him to anyone looking for a new job opportunity.

Has never let us down

We have used O’Neill & Brennan for our recruitment needs for many years now. O'Neill & Brennan has an in-depth knowledge of our industry and can identify suitable candidates in a timely and efficient manner.

O'Neill & Brennan's honest appraisal of potential candidates helps us identify quickly who will suit our needs best. They are a pleasure to deal with, has never let us down and we would have no hesitation in recommending O’Neill & Brennan to others.

Fast and reliable service

M Fitzgibbon Contractors have relied on O’Neill & Brennan for help with recruiting a solid work force for many years now for our Professional & Technical needs.

O’Neill & Brennan have always been courteous, trustworthy and professional, and at stressful times during the recruitment process have been a very reliable recruitment resource for us.

Overall, O’Neill & Brennan are a pleasure to work with and I have no qualms recommending them to any company looking to fill any position of any level in the Irish Construction Industry.

As Senior Contracts Manager for a large construction company I need to procure the very best site resources from all around the country at any given time.

Amazing job

I’ve dealt with Clodagh on a number of occasions over the years and when I wanted a change in my career it was Clodagh I contacted. She handled the entire process for me.  I had some requirements that were important, so it wasn’t easy.  She did an amazing job and eventually landed me in a great company doing a role that I enjoy.

Knowledgeable and helpful

Lorcan is a very knowledgeable and helpful recruiter who successfully guided me through a recent recruitment process which resulted in me securing a new role in construction. His professionalism and attention made the whole process smooth and engaging throughout. I would recommend Lorcan to anyone looking for a new role in Construction.

Highly recommend

I had a very good experience with O’Neill & Brennan, and I found them to be very professional. Lorcan spent a lot of time getting to know me by understanding my career ambitions, what I enjoy and where I fit in a team and matched me accordingly. I would highly recommend them to anybody looking to be placed in the next position.

Friendly, easy to talk to and has a lot of knowledge

Lorcan is very friendly, easy to talk to and has a lot of knowledge in the construction Industry. He facilitated the process from arranging Interviews, sending me the contract documents and being in contact with me in a very professional manner throughout the entire process. I would highy recommend him to anyone looking for a new challenge.

You have restored my faith in Recruiters

I was getting no feedback elsewhere and after 2 days of contacting you, I was sitting in front of the company I wanted to work for and have now accepted a permanent position.

Our Clients

Candidates of Today

O'Neill & Brennan's ability to deliver the finest candidates depends on our employment of cutting-edge selection methods. Our innovative approach guarantees that we can meet and exceed the expectations of our clients. We take great pride in our ability to respond to our clients' requirements in a transparent and timely manner, ensuring that they receive the highest level of service possible.

To provide the most optimal recruitment experience, O'Neill & Brennan make it a priority to meet with all our candidates. This allows us to gain a comprehensive understanding of their technical skills and personal motivations before guiding them through the recruitment process. This ensures that every candidate has a consistent and stress-free experience.

Construction News

Clients of Tomorrow

We recognise that the candidates we serve today may very well be our clients in the future, which is why we place great importance on maintaining professionalism and delivering first class service.

Our methodology for meeting the staffing needs of Professional and Technical roles encompasses a wide range of commercial, design, production, and administrative functions. We provide candidates for a diverse array of positions, including Quantity Surveyors, Engineers, Site Managers, Project Mangers, Contract Managers and Document Controllers, among others.

Latest Professional & Technical Roles