Singapore Energy and Utilities Payroll Outsourcing Recruitment Agencies

HKM HR Management Pte. Ltd. is a Singapore-based recruitment and executive search firm offering executive search, permanent, contract and temporary staffing plus HR services and payroll/work-pass support.

HRX Outsourcing & Consulting Pte Ltd is a Singapore-based employment agency delivering contract staffing, executive search, HR consulting and Singapore visa services.

Humana International Group is an executive search and recruitment firm (part of MRINetwork) operating across Southeast Asia offering retained, contingency, RPO, staffing and payroll services.

Oaktree Consulting is a Singapore-based recruitment agency offering permanent, contract and temporary staffing, recruitment process outsourcing and payroll outsourcing across multiple industries.

Sheffield Green provides human resource services and training for EPCI works in the renewable energy sector, including offshore/onshore wind, solar, green hydrogen and energy storage.

Ad Astra Consultants is a global HR services firm providing executive search, contingent search, RPO, temporary staffing and HR consulting across multiple countries.

Global technical workforce-solutions provider with a Singapore operation and a dedicated Singapore Employer of Record service. Airswift supports technical hiring, contractor mobility, payroll, benefits and immigration/work-pass administration; its Singapore materials describe staffing and mobilisation for engineering, infrastructure and energy projects.

Connect Energy is a Singapore-headquartered recruitment and workforce management firm providing staffing, executive search, mobility and BPO services to energy, marine, construction and technology sectors across APAC and the Middle East.

NES Fircroft has operated in Singapore since 2002 and provides licensed recruitment, contract staffing, permanent hiring and managed workforce support for engineering and technical projects. Its Singapore service page lists construction, engineering and infrastructure roles and describes contractor support including payroll, tax, statutory contributions, insurance and employment-pass coordination. NES Fircroft also offers global Employer of Record services, making it relevant for eligible construction and technical project hires.

WTS Energy’s Singapore entity, Worldwide Technical Services Pte Ltd, provides local Employer of Record services for engineers, project managers, commercial specialists, HSE professionals, commissioning teams and regional support roles. Its technical-project workforce work spans energy, infrastructure, marine, LNG, power, renewables and industrial services. This is a strong fit for construction-adjacent technical and infrastructure projects, rather than evidence that it supplies every category of construction labour.