O’Neill & Brennan Employee Directory

ConstructionEngland, United Kingdom201-500 Employees

Established in 1990, O’Neill & Brennan has firmly cemented its position as a 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.

We specialise in the construction space and currently work with more clients nationally than any other construction recruitment companies. With unprecedented growth, expansion across the UK and Ireland, and significant investment in new, innovative, state-of-the-art systems and software, our desire to be the preferred staffing solutions provider of choice, has never been greater.

Find O’Neill & Brennan employees' phone numbers or email addresses

O’Neill & Brennan Global Highlights

Location
Employees

Europe
359

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  • United Kingdom Of Great Britain And Northern Ireland
    302
  • Ireland
    49
  • Germany
    3
  • France
    2
  • Belgium
    1
  • Romania
    1
  • Spain
    1

North America
5

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  • United States Of America
    5

Asia
2

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  • Thailand
    1
  • United Arab Emirates
    1

Africa
1

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  • Uganda
    1

O’Neill & Brennan's Leadership

  • Stylized image of a person
    M. M.
    Head Of Commercial
    Phone icon
  • Stylized image of a person
    A. A.
    Head Of I.T Operations
    Phone icon
  • Stylized image of a person
    A. A.
    Head Of Information Technology
    Phone icon
  • Stylized image of a person
    A. A.
    Head Of Information Technology
    Phone icon
  • Stylized image of a person
    A. A.
    Head Of It Department
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  • Stylized image of a person
    H. S.
    Senior Talent Partner
    Phone icon
  • Stylized image of a person
    S. O.
    Managing Director
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  • Stylized image of a person
    D. O.
    Director
    Phone icon

O’Neill & Brennan Employee Metrics

100%
50%
0%
2026
2025
  • Supply Chain
  • Recruiting
  • Administrative
  • Sales
  • Program & Project Management
  • Other

Contact profiles from O’Neill & Brennan

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    D. W.
    Logistics Manager
    Phone icon
    United KingdomEngland
    Feb 05, 2026
  • Stylized image of a person
    B. V.
    Senior Contracts Manager
    Phone icon
    United KingdomCoventry
    Mar 25, 2026
  • Stylized image of a person
    C. C.
    Office Manager
    Phone icon
    United KingdomEngland
    Jan 29, 2026
  • Stylized image of a person
    D. F.
    Account Manager
    Phone icon
    BermudaSouthampton
    Nov 26, 2025
  • Stylized image of a person
    J. D.
    Account Manager
    Phone icon
    United KingdomCardiff
    Mar 25, 2026
  • Stylized image of a person
    P. T.
    Senior Site Manager
    Phone icon
    United KingdomPortsmouth
    Nov 26, 2025
  • Stylized image of a person
    J. T.
    Account Manager
    Phone icon
    United KingdomEngland
    Jan 29, 2026
  • Stylized image of a person
    P. P.
    Logistics Manager
    Phone icon
    United KingdomEngland
    Mar 25, 2026
  • Stylized image of a person
    S. C.
    Site Manager
    Phone icon
    BermudaSouthampton
    Jan 28, 2026
  • Stylized image of a person
    T. M.
    Payroll Manager
    Phone icon
    United KingdomEngland
    Apr 13, 2026

Frequently Asked Questions

What is O’Neill & Brennan known for?

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O’Neill & Brennan was founded in 1990 operates in the Construction industry. The company's main headquarters is located in 3 Darkes Lane Potters Bar, England en6 1ag United Kingdom; you can contact the main corporate office by phone at . Explore O’Neill & Brennan's company overview page for more information.

What is O’Neill & Brennan's most common email format?

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O’Neill & Brennan employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more O’Neill & Brennan email formats with LeadIQ.

How many employees does O’Neill & Brennan have currently?

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O’Neill & Brennan has approximately 495 employees as of April 2026. These team members are located across 4 continents, including EuropeNorth AmericaAsia.

Who are O’Neill & Brennan's key employees and leadership?

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As of April 2026, O’Neill & Brennan's key employees include:

  • Head Of Commercial: M. M.
  • Head Of I.T Operations: A. A.
  • Head Of Information Technology: A. A.
  • Head Of Information Technology: A. A.
  • Head Of It Department: A. A.

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