Best Manpower Supply Companies in Singapore — 2026 Guide

Lee Hua Engineering has quietly built one of the strongest reputations in Singapore's construction manpower space. Their deep focus on electrical, construction, and automotive industries means they understand the certifications, safety protocols, and project timelines that matter in these sectors — something generalist agencies often struggle with. What stood out most during our evaluation was deployment speed: clients consistently reported workers arriving on-site within 24 hours of a request, even for urgent call-outs. Their workforce goes through a stringent vetting process, and every worker is deployed with current safety certifications and trade-specific qualifications. For contractors and engineering firms that need reliable, skilled manpower without the overhead of direct hiring, Lee Hua delivers consistently.

Randstad is one of the world's largest recruitment firms, and their Singapore operation reflects that scale. With a presence in 39 markets and more than six decades of experience, they bring a vast talent pool and enterprise-grade infrastructure to the table. They're strongest in white-collar and professional placements — finance, IT, engineering, and life sciences — backed by a well-established methodology for candidate assessment and compliance. Their size makes them a natural fit for large-scale enterprise engagements and multinational corporations operating in Singapore.

REAM Engineering stands out for the sheer breadth of sectors they cover without sacrificing depth. Founded in 2010, the company has grown to maintain a pool of over 500 skilled workers deployable across construction, marine, logistics, warehousing, oil and gas, and aviation projects. Their team spans general labourers to specialised trades — electricians, rebar workers, scissor lift operators, safety supervisors, and lifting supervisors. What sets REAM apart from similarly sized agencies is their operational reach across Jurong, Woodlands, and Pasir Ris industrial zones, combined with genuine 24-hour deployment capability. They operate in English, Mandarin, and Malay, which simplifies coordination on multi-national worksites.

Adecco has been a fixture of Singapore's staffing landscape since 1996. As part of the Adecco Group — the world's second-largest staffing firm — they bring significant resources, an established compliance framework, and access to a global talent network. Their Singapore office handles everything from temporary blue-collar placements to executive search, though they're particularly well-regarded for their structured approach to large-volume temporary staffing across manufacturing, logistics, and administrative sectors. Their onboarding process is thorough, if occasionally slower than smaller, more agile competitors.

San Su Engineering has carved out a distinctive niche by bridging the gap between heavy industry and service-sector manpower supply. Operating from their Shenton Way office, they supply workers across construction, marine, aviation, process, and hospitality sectors — a range that few agencies of their size can genuinely cover. Their workforce includes general workers, electricians, rebar workers, safety supervisors, lifting supervisors, riggers, and scissor lift operators. All workers are MOM-compliant with valid work permits and current certifications. Their 24/7 availability and 24–48 hour deployment window make them a practical choice for businesses that operate outside standard hours or need workers at short notice.

With over 75 years in the global staffing industry, ManpowerGroup is one of the most established names in workforce solutions. Their Singapore operation focuses heavily on enterprise-level staffing — large-scale workforce deployments, managed services, and talent outsourcing. They bring sophisticated workforce analytics and planning tools that are genuinely useful for large organisations managing complex staffing requirements across multiple locations. Their strength lies in structured, long-term staffing partnerships rather than ad-hoc or urgent one-off deployments.

Kelly Services is one of the oldest staffing companies in the world, and their Singapore operation leans into professional and technical placements. They're particularly well-established in STEM recruitment — engineering, technology, and scientific roles — along with financial services and healthcare. Their candidate assessment methodology is thorough and data-driven, which results in higher-quality placements but a longer lead time compared to agencies focused on rapid deployment of general labour.

KAZU WEI has emerged as a focused specialist in marine, process, and industrial manpower — sectors where worker certifications and safety compliance are non-negotiable. Since 2015, the company has completed over 500 projects, building a workforce that spans four tiers: essential workers and warehouse staff, technical specialists like electricians and welders, heavy equipment operators for cranes and scissor lifts, and safety supervisors and coordinators. Every worker is deployed with valid work permits, safety certifications, and industry-specific qualifications. Their 24–48 hour deployment capability and round-the-clock support make them particularly useful for industries that operate continuous shifts or face unplanned workforce shortfalls.

Hays has built a strong reputation globally as a specialist recruiter, and their Singapore office focuses primarily on mid-to-senior professional placements across IT, finance, life sciences, and engineering. Their market salary guides and industry reports are widely referenced, and their consultants tend to have genuine sector expertise rather than generalist knowledge. For businesses looking to fill skilled professional roles — particularly contract or project-based positions — Hays brings deep market intelligence and a curated candidate network.

Recruit Express is a homegrown Singapore success story — founded in 1996, the company has grown into one of Southeast Asia's largest staffing firms with offices across six countries. They handle a broad mix of temporary staffing, contract placements, and permanent recruitment across industries including banking, technology, healthcare, and consumer goods. Their strength lies in volume — they process a large number of placements annually, which gives them a wide candidate pool. They're a solid all-rounder, though businesses needing deep industry-specific expertise in construction or marine sectors may find specialist agencies a better fit.