Why ersg?

It’s a question we continually ask not only ourselves but also our clients. The answer is our business philosophy.

Developed over many years of recruitment experience and based on performance quality and a professional understanding of our client’s requirements, our philosophy is what sets us apart. We insist on using a consultative approach to answer our clients needs, meaning we deliver quality results with superior on-going support.

Unlike some of our competitors, at ersg we feel it’s vital to provide a comprehensive service portfolio. Something that can be tailored to meet the individual needs of each and every client as we recognise one solution will never fit all. Our consultative approach in our fast growing energy, engineering and IT sectors deliver both an efficient and dependable service covering:

  • Temporary / contract appointments

  • Permanent recruitment

  • Search and selection

  • Campaign management initiatives

  • Consultancy Services

We offer a responsive solution throughout the various sectors of Onshore & Offshore Wind Energy, Information Technology & Digital, Subsea & Marine, Power Generation, Solar, Built Environment, Data Centres, Technical Services & Life Sciences. This approach ensures no compromise is made on the quality of our service.

Get in touch with us today to see how we can assist your business.


Our services


ersg feel it is vital to provide a comprehensive service portfolio.

We recognise that one solution will not fit every client’s needs. Our consultative approach in this dynamic sector delivers our clients with a flexible, dependable and unrivalled level of service.

  • Flexible workforce solution - contract

  • Permanent recruitment

  • Search and selection

  • Campaign management initiatives

  • Consultancy Services

Structured approach

Our clients are busy people often working to extreme time frames. Ensuring the expedient hire of skilled professionals is essential. As a consequence our approach to both candidate selection and database management is highly structured. All candidates are pre-screened against the role profile provided to ensure that the necessary skills and compliancy criteria are fully met. Our stringent referencing policy prior to introduction further guarantees that our clients time is not wasted with irrelevant applications.

Dedication to service

ersg consultants are specialists in their highly, technical, vertical markets, covering the diverse staffing needs of the global marketplace. Our in house training programme ensures that they fully appreciate that every clients’ requirements are unique. We maintain a flexible approach to all challenges presented and this is something that we pride ourselves on. We hope you’ll find the team helpful, professional and personable.

Clients we work with

What our clients say

Read More
  • ​Kelly at ersg provided us with excellent candidates quickly and to the right specification. She was a pleasure to do business with.

    Works Manager

    EPC Contractor
  • ERSG have demonstrated a very strong understanding of the sector and an excellent network of candidates within the market through consistently delivering high quality candidates for often challenging roles.

    Contracts Manager

    Engineering Contractor
  • ​ERSG has efficiently supported our project, our PM Alex White, clearly understands our needs and has been extremely helpful with every query or demand.

    Project Quality Manager

    Offshore Wind Developer
  • ​ERSG clearly understand the needs of the recruiters. They make sure they deliver a high quality informed service, not the usual low quality high quantity of competitors.

    Project Manager

    WTG Manufacturer & Installation Provider
Atoms/Icons/Quote/02 Copy 2 Created with Sketch.
Atoms/Icons/Quote/02 Copy 2 Created with Sketch.

Company Timeline

  • 2008

  • Bromley Office Opens

    Bromley Office Opens

    ​Key clients are acquired and work begins on supplying specialists workers to wind farms across Europe

  • 2013

  • The Sunday Times Fast Track 100

    The Sunday Times Fast Track 100

    Position 13 in 2013

    (Britain's 100 private companies with the fastest-growing sales over the previous three years)

  • 2016

  • International Expansion

    International Expansion

    ersg open offices in Amsterdam, Hamburg and Seattle.

  • 2017

  • Further Expansion

    Further Expansion

    HQ moves premises giving the opportunity for internal growth plans to be implemented.

    Orlando Office opens in June.

  • 2019

  • Dutch Office Moves

    Dutch Office Moves

    ​Dutch office expands to new premises to allow internal growth.

  • The Sunday Times International Track 200

    The Sunday Times International Track 200

    Position 117 in 2019

    (Britain’s 200 private companies with the fastest-growing international sales over the previous three years)

  • Boston Office Opens

    Boston Office Opens

    ​ersg open Boston office to furnish the growing offshore wind demand on the East Coast.

  • Taipei Office Announced

    Taipei Office Announced

    ​To meet the growing client need in Taiwan ersg announce the opening of Taipei office.

  • Dublin Office Announced

    Dublin Office Announced

    ​Dublin office announced which will operate to service the growing renewables and construction industries in Ireland.

  • Hot 100

    Hot 100

    Position 10 in 2019.

    (Measures both employee productivity and financial performance)

  • 2020

  • ​The Recruiter FAST 50

    ​The Recruiter FAST 50

    Position 13 in 2020

    (UK’s fastest-growing, privately-owned recruitment companies)


  • RI Award 2018
  • Recruiter Award
  • TIARA 2019
  • Hot 100 2019
  • Talint International - Highly Commended Growth Recruitment Company of the Year 2019
  • Recruiter - Shortlisted Best Temporary Recruitment Agency 2019
  • Recruitment International - Specialist Recruitment Company of the Year 2018
  • Fast 50 2019
  • International Track 2019
  • Recruitment International - Growth Company of the Year 2017
  • Fast Track 100 2013


  • AWEA
  • Renewable UK
  • Achilles UVDB
  • MCA
  • IMCA
  • REC Member
Banner Default Image

Submit your vacancy

Fill out our simple form to send your vacancy requirement throug to our dedicated and highly specialist teams and we will be in touch straight away.

Upload your vacancy now