Hydrogen Group plc is a United Kingdom-based company, along with its subsidiaries, is engaged in the provision of recruitment services for mid to senior level professional staff. The Company operates through two segments offering both permanent and contract specialist recruitment consultancy for the organizations. The Company's segments are Professional Support Services and Technical and Scientific. The Company recruits for roles in Professional Support Services, including legal, finance, technology and business transformation placements, and in Technical and Scientific market sectors, such as power, mining, oil and gas and life sciences. The Company's subsidiaries include Hydrogen UK Limited and Hydrogen International Limited in the United Kingdom; Hydrogen Group Pty Ltd in Australia; Hydrogen Group Pte Ltd in Singapore; Hydrogen Group Ltd in Hong Kong; Hydrogen Norge AS in Norway, and Hydrogen Group LLC in the United States, among others.