O’Neill & Brennan UK logo

O’Neill & Brennan UK Employee Directory

ConstructionEngland, United Kingdom201-500 Employees

O’Neill & Brennan is a recruitment firm focused on the construction sector. It provides staffing solutions to large construction contractors in the UK and Ireland, backed by more than 25 years of industry experience to support project staffing needs. Founded in 1990 and based in Potters Bar, England, the company has developed a long-standing brand and a broad client base across the region. The firm holds industry accreditations and certifications that reflect its quality standards and professional competency.

In the construction recruitment market, the company operates with a national footprint and ongoing expansion across the UK and Ireland. A notable development in recent years is the launch of Constructing Futures in 2022, a social value initiative the firm began delivering.

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

O’Neill & Brennan UK Global Highlights

Location
Employees

Europe
375

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  • United Kingdom Of Great Britain And Northern Ireland
    320
  • Ireland
    54
  • Spain
    1

North America
4

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  • United States Of America
    3
  • Mexico
    1

Asia
3

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  • Turkey
    1
  • Thailand
    1
  • United Arab Emirates
    1

Africa
2

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  • Uganda
    1
  • Tanzania
    1

O’Neill & Brennan UK's Leadership

  • Head Of I.T Operations at O’Neill & Brennan UK
    A. A.
    Head Of I.T Operations
  • Head Of Security at O’Neill & Brennan UK
    G. G.
    Head Of Security
  • Head Of Information Technology at O’Neill & Brennan UK
    A. A.
    Head Of Information Technology
  • Head Of Information Technology at O’Neill & Brennan UK
    A. A.
    Head Of Information Technology
  • Head Of It Department at O’Neill & Brennan UK
    A. A.
    Head Of It Department
  • Managing Director at O’Neill & Brennan UK
    S. O.
    Managing Director
  • Managing Director at O’Neill & Brennan UK
    D. B.
    Managing Director
  • Managing Director at O’Neill & Brennan UK
    E. M.
    Managing Director

O’Neill & Brennan UK Employee Metrics

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

Contact profiles from O’Neill & Brennan UK

Name
Title
Contact
Location
Last Update
  • Director at O’Neill & Brennan UK
    A. M.
    Director
    United Kingdom, England
    Sep 29, 2026
  • Director at O’Neill & Brennan UK
    J. J.
    Director
    United Kingdom, England
    Apr 15, 2026
  • Company Director at O’Neill & Brennan UK
    S. O.
    Company Director
    United Kingdom, England
    Sep 15, 2026
  • Director at O’Neill & Brennan UK
    D. B.
    Director
    United Kingdom, England
    Jul 07, 2026
  • Director at O’Neill & Brennan UK
    C. H.
    Director
    United Kingdom, England
    Aug 29, 2026
  • Area Director at O’Neill & Brennan UK
    G. K.
    Area Director
    United Kingdom, England
    Sep 07, 2026
  • Director | Site Services And Logistics at O’Neill & Brennan UK
    M. B.
    Director | Site Services And Logistics
    United Kingdom, England
    Aug 14, 2026
  • National Director - Professional & Technical at O’Neill & Brennan UK
    R. F.
    National Director - Professional & Technical
    United Kingdom
    Jun 25, 2026
  • Area Director at O’Neill & Brennan UK
    S. M. M.
    Area Director
    United Kingdom, England
    Apr 17, 2026
  • Director at O’Neill & Brennan UK
    B. K.
    Director
    Ireland
    Jun 25, 2026

Frequently Asked Questions

What is O’Neill & Brennan UK known for?

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O’Neill & Brennan UK was founded in 1990 and operates in the Construction industry. You can contact O’Neill & Brennan UK's main corporate office by phone at . Explore O’Neill & Brennan UK's company overview page for more information.

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

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

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

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O’Neill & Brennan UK has approximately 494 employees as of October 2026. These team members are located across 4 continents, including Europe, North America and Asia.

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

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

  • Head Of I.T Operations: A. A.
  • Head Of Security: G. G.
  • Head Of Information Technology: A. A.
  • Head Of Information Technology: A. A.
  • Head Of It Department: A. A.

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