Specialist Personnel

O’Neill & Brennan supply specialist personnel to first-tier contractors and subsidiaries across the UK, delivering staffing solutions to the Power Generation, Nuclear, Renewable Energy, New Build and Petrochemical sectors.

Working with an experienced and reliable partner to take care of your outage work requirements is absolutely paramount. We support our clients during this process by effectively managing planned outages or supporting your core workforce, covering pre-outage work, outage execution, and post-outage evaluation.

The Highest Quality Candidates

CTC clearance is carried out in house enabling personnel to work on Nuclear Sites, giving our workforce the benefit of working on non-nuclear and nuclear sites.

We continually develop and improve our assessment processes to match the needs of our clients, and by using this experience we are able to provide the highest quality of candidates for any type of position.


Security Clearance

We view security as a fundamental component of recruitment in this area which is why our in-depth understanding and expert application of nuclear SQEP and clearance processes offers full compliance and conformation to changing industry regulations


Guide candidates through Disclosure Baring Service process

Verify identity

We use the latest identity verification techniques

Work History

Certify employment / unemployment or education for the last three years

Access Team

Complete Baseline Standard Verification Record document to be sent directly to access team

Counter Terrorism

Complete Annex N for Counter Terrorism Clearance


Maintain aftercare to continue with ongoing personal security

Our Clients

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