Established in 1990, O’Neill & Brennan has firmly cemented its position as the preferred supplier of staff to many of the largest construction contractors in the UK and Ireland. This is because we offer a long standing and trusted brand, utilising over 25 years of industry experience to deliver first class recruitment solutions for our clients.

Our industry  accreditations, awards and certifications, demonstrates the quality of our work, meaning we have not only the credibility and authority within the market place, but the integrity and competency with which we have been recognised, to deliver a full and comprehensive service to our customers.

Labour & Trades

O’Neill & Brennan’s Trades & Labour experience is unquestionable. Since 1990, we have been the leading supplier of trades and labour operatives to main contractors, house builders, sub-contractors and small to medium sized builders, across the UK and Ireland. Whether you need an individual operative for one day, or a complete service gang for the duration of a contract, we can be entirely flexible, providing the competent, vetted and appropriately trained personnel you’re looking for, each and every time.

Professional & Technical

As the leading supplier of professional and technical construction candidates to main contractors, sub-contractors, project management companies, fit out and interiors specialists,quantity surveyance consultancies and developers, we understand that every project poses different challenges and demands. We’re able to alleviate these pressures, by providing personnel with all the specialist skills, experience and qualifications you need to make your construction project run smoothly and efficiently.

Energy & Power

We supply specialist personnel to first-tier contractors and subsidiaries across the UK, delivering staffing solutions that cover construction, production, operations, maintenance and decommissioning phases of a project, to a multitude of energy sectors. Regardless of how urgent your demand is, or where in the UK your project is situated - we've got exactly the right people that can fulfil your requirements, all able to be deployed at short notice, making your project run smoothly and efficiently, from beginning to end.

Civil Engineering

With over 25 years’ experience, we have built up an enviable reputation in civil engineering. We have the ability to cover all your staffing requirements from project inception, right through to completion and client handover, covering roads, bridges, dams and canals. By adapting our services for every assignment, we provide tailor made recruitment solutions for the Civil Engineering sphere of the construction industry, providing fast and efficient support, throughout the duration of the project.

Site Services & Logistics

We can assist in identifying your projects requirements and propose an integrated, innovative and sustainable site logistics solution. Your management team is then free to concentrate on building the project, safe in the knowledge that facilities are in place to ensure the efficient running of the contr

We are one of Ireland’s leading construction industry service provider, with a turnover in excess of £80m.

O'Neill & Brennan is located in the Potters Bar area of Hertfordshire. There are at least 13 other listings in the EN6 postcode area.

Recruiters in Hertfordshire EN6

Number of Employees: 109

• Construction Law
• Consulting
• Electrical
• Engineering Law
• Freelance
• Headhunters
• Labourers
• Mechanical
• Payroll
• Permanent
• Personnel
• Security
• Temporary
• Warehouse