Impellam Group

Here’s a UK-focused shortlist of staffing/recruitment agencies people actually use. There isn’t one “best” agency for every role: the right choice depends on whether you want temp shifts, contract work, permanent professional roles, healthcare, engineering, tech, finance, or high-volume staffing.

Best overall UK staffing/recruitment agencies

My practical recommendations

If you’re a jobseeker in the UK, start with:

1. Hays — best all-rounder for professional roles.
2. Reed — good for broad coverage and the Reed.co.uk job-board ecosystem.
3. Michael Page / PageGroup — strong for professional and mid-senior permanent roles.
4. Robert Half — best if you’re in finance, accounting, admin, HR, tech or interim work.
5. Adecco, Manpower or Blue Arrow — best if you want temp, warehouse, admin, hospitality, logistics or shift-based work.
6. SThree or Morson — best for STEM, engineering, defence, infrastructure or contract work.
7. NHS Professionals — best if you want NHS bank/flexible healthcare or non-clinical NHS shifts.

If you’re an employer hiring staff, I’d shortlist:

• Hays for professional hiring across many functions.
• PageGroup / Michael Page for professional, qualified and mid-senior roles.
• Adecco, Manpower, Randstad or Blue Arrow for high-volume temp/perm staffing.
• Morson for technical, engineering and infrastructure hiring.
• Impellam / Guidant-style managed workforce solutions for enterprise-scale contingent labour programmes.
• NHS Professionals if you’re in NHS workforce planning or bank staffing.

Don’t ignore job boards alongside agencies

For UK jobseekers, agencies are useful but should not be your only channel. Randstad’s UK employer-brand research found that a large share of UK jobseekers use recruitment agencies, while job boards/search engines and LinkedIn remain important channels too. (email.randstad.co.uk)

The job-board products people commonly use in the UK are:

• Indeed
• Reed.co.uk
• LinkedIn
• Totaljobs
• CV-Library
• NHS Jobs for healthcare/public-sector NHS roles

Quick safety tip

In the UK, a recruitment agency generally must not charge you a fee for finding or trying to find you work. GOV.UK and Acas both state that recruitment agencies cannot charge work-seekers for work-finding services, with limited exceptions such as parts of entertainment/modelling. (gov.uk)

Bottom line: For most people in the UK, the safest “big brand” shortlist is Hays, Reed, Michael Page, Robert Half, Robert Walters, Adecco, Manpower, Randstad, SThree, Morson, Blue Arrow and NHS Professionals—then narrow it by sector and location.

Top Staffing & Recruitment Agencies in the UK

Based on current rankings and reviews, here are the staffing agencies that are most widely used and trusted across the UK, broken down by what they're best known for:

🏆 The "Big Name" Generalists (UK-wide, all industries)

Reed – One of the most recognized names in UK recruitment. Reed runs a dedicated business-support temp desk on top of the largest candidate database in UK recruitment, drawing on the reach of reed.co.uk to fill temporary, contract and interim roles in every region. It's particularly strong for employers who want the largest candidate pool and genuine reach into every UK region, including hard-to-fill locations a smaller agency cannot serve.

Hays – A go-to for specialist and professional roles. Founded in 1968, Hays has evolved from a specialist accounting recruiter into one of the UK's largest recruitment firms and one of the world's leading workforce solutions providers. It's also noted as best for IT recruitment in London specifically, and more broadly recruits across 20 specialisms including IT, finance, and construction, working with some of the most prestigious companies in the UK.

Adecco UK – A top pick if you need temp staff fast. It's rated best for temp staffing among London agencies.

Pertemps – A strong independent alternative to the big multinationals. Pertemps is one of the UK's largest independent recruiters, placing temporary and permanent staff across the country through an extensive branch network.

💼 Finance & Professional Roles

Michael Page – The standard choice for finance recruitment, best for finance sector hiring, and also known for executive search services, per one directory offering a diverse range of recruitment expertise, including executive searches.

Robert Walters – Frequently recommended for senior/leadership hiring, listed as best for executive roles.

🖥️ Legal, Tech & Logistics Specialists

• Hydrogen Group – Best for legal sector recruitment.
• Corr Recruitment – Best for logistics roles.

🏢 Office Support, PA/EA & Admin Roles

If you need office support, executive assistants, or admin temps, these are the brands people repeatedly turn to:

Tiger Recruitment – A well-established agency offering a wide range of skilled temping jobs across the UK and internationally, specialising in business support, HR interim roles, and technology contract roles, with a market-leading position in PA and executive assistant recruitment.

Office Angels – A household name for office admin. Office Angels has placed secretarial and office-support staff since 1986 and is one of the UK's best-known names in the sector, and it brings real candidate volume and branch reach when you are filling multiple office and admin roles at once.

Brook Street – A long-standing choice, especially for public sector work. Brook Street has recruited office and clerical staff since 1946 and is part of ManpowerGroup, operating admin and secretarial temp desks across more than 20 UK branches.

Knightsbridge Recruitment – Known for high-end placements. A Temp Recruitment Agency in London for over 35 years, specialising in EA's, PA's and Office Support Staff, catering to a wide range of companies from multinationals to private households.

Lily Shippen – A newer but well-regarded boutique, particularly for senior support roles, rated highly on review platforms (Feefo 4.5+/5 from roughly 240 reviews).

📊 Qu

Here in the UK, the recruitment and staffing landscape is incredibly mature, with thousands of agencies operating across the country. The "best" agency for you depends entirely on whether you are looking for permanent corporate work, a quick temping gig, or specialized industry roles.

These are the most highly regarded, widely used, and trusted staffing agencies in the UK, categorized by what they do best.

1. The High-Street & Generalist Giants (Best All-Rounders)

If you want an agency with a massive branch network, a high-street presence, and access to thousands of roles across almost every sector, these are the household names.

• Reed
  • The Vibe: The quintessential British recruitment agency. Founded in Hounslow in 1960, it remains one of the most recognizable names in the country.
  • Best For: Broad reach. While many know reed.co.uk as a job board, Reed’s physical recruitment consultancy has specialists across 20+ sectors—including finance, HR, health, education, and IT.
  • Why people use them: They have localized offices in almost every major UK city and town, making them brilliant for both local jobs and major national campaigns.
• Hays
  • The Vibe: The corporate giant. Hays is one of the largest recruitment firms globally and has a massive footprint in the UK.
  • Best For: Professional-level permanent and contract roles. They are incredibly dominant in IT, construction, engineering, finance, and the public sector.
  • Why people use them: If you are a contractor looking for robust daily-rate roles or an employer looking to fill niche, highly technical positions, Hays has the scale and data to make it happen.
• Adecco UK
  • The Vibe: Highly reliable and heavily focused on flexible, contract, and high-volume recruitment.
  • Best For: Mid-level office roles, customer service, retail, and manufacturing.
  • Why people use them: They are incredibly fast at placing temporary cover. If an employer needs 50 customer service reps by Monday, or a jobseeker needs immediate temp work to pay the bills, Adecco is a go-to.

2. Professional, Corporate & Executive Specialists (White-Collar)

If you work in finance, marketing, legal, HR, or senior management, you will get better results using a specialist "white-collar" agency.

• Michael Page (PageGroup)
  • The Vibe: Professional, polished, and corporate.
  • Best For: Mid-to-senior professional roles. They are the UK market leaders for accounting & finance, marketing, sales, and legal positions.
  • Why people use them: Their consultants are highly specialized. If you speak to a Michael Page agent, they will likely only recruit for one specific sub-sector (e.g., "Tax professionals in the North West"), meaning they actually understand your CV and the local market.
• Robert Walters
  • The Vibe: High-end and prestigious.
  • Best For: Executive search, investment banking, fintech, and specialist legal/compliance roles.
  • Why people use them: If you are operating at the senior or executive level, Robert Walters has exclusive relationships with FTSE 100 firms and major multinational corporations.
• Robert Half
  • The Vibe: The gold standard for financial and tech recruitment.
  • Best For: Corporate accounting, financial analysis, risk management, and IT infrastructure.

3. Business Support, Admin, EAs & PAs

Office management, executive assistants, and administrative staff keep British businesses running. If you want a great admin job or need a top-tier assistant, these are the best.

• Office Angels
  • The Vibe: Friendly, accessible, and highly focused on office support.
  • Best For: Receptionists, administrators, PAs, and data-entry staff.
  • Why people use them: They have a great reputation for high-street candidate care. They treat their temps very well, which means they always have a pool of reliable office staff ready to go.
• Tiger Recruitment
  • The Vibe: A highly-rated, premium boutique agency.
  • Best For: Elite administrative support, high-end PAs, private household staff, and virtual assistants.
  • Why people use them: They have a massive presence in London and the South East, known for matching top-tier executive assistants with CEOs and high-net-worth individuals.

4. Industrial, Hospitality, Logistics & Blue-Collar Staffing

For shift work, driving, catering, warehousing, and logistics, these agencies are the biggest players in the UK.

• Pertemps Network Group
  • The Vibe: A massive, highly successful, employee-owned UK agency.
  • Best For: Industrial, manufacturing, driving (HGV), and logistics roles, alongside commercial office roles.
  • Why people use them: Pertemps has been named one of the UK's best companies to work for nearly two decades straight. Because they are employee-owned, their local branch consultants genuinely care about looking after their candidates and clients.
• Blue Arrow
  • The Vibe: The UK’s premier hospitality and industrial specialist.
  • Best For: Chefs, catering staff, event stewards, warehouse pickers, and delivery drivers.
  • Why people use them: They work with major UK venues, football stadiums, and supermarket supply chains. If you want flexible shift work in the service sector, their app makes picking up shifts incredibly easy.

Quick Tips for Navigating UK Agencies

1. It is legally free for candidates: Under UK law (the Employment Agencies Act), it is strictly illegal for a recruitment agency to charge a jobseeker a fee for finding them work. The hiring company pays the agency.
2. Register with 2 or 3: Don't put all your eggs in one basket. Register with two or three agencies that specialize in your field to maximize your chances.
3. Look for REC Membership: When choosing an agency, check if they are members of the REC (Recruitment and Employment Confederation). This ensures they adhere to a strict UK code of professional practice.

If you want the best-known staffing agencies in the UK that people actually use, the strongest mainstream brands are Reed, Adecco, Manpower, Robert Walters, Michael Page/PageGroup, Blue Arrow, and Robert Half.

For most employers, the best choice depends on what you need:

If you want the most widely used “brand names” in the UK market, I’d start with Reed, Adecco, Manpower, and PageGroup/Michael Page because they repeatedly appear in UK rankings and reviews and cover the broadest hiring needs.

A practical way to choose:

• Temp labour / warehouse / logistics: Adecco or Blue Arrow.
• Professional office roles: Reed, Michael Page, or Robert Walters.
• Finance roles: Michael Page or Robert Half.
• London office support: Tiger Recruitment.
• General UK-wide hiring: Reed or Manpower.

If you want, I can also give you:

• the top staffing agencies by city in the UK,
• the best agencies for your industry,
• or a shortlist of the best agencies for employers vs jobseekers.

In the UK, “staffing agency” usually means a recruitment agency / employment business. There’s no single “best” one — it depends on your sector, location, and whether you want temp, contract or permanent work. But these are the brands UK candidates and employers actually use most.

Generalist / office / professional

• Reed – one of the biggest UK-born names; strong across admin, customer service, finance, tech, care and more. Also runs Reed.co.uk.
• Hays – huge in professional recruitment: finance, tech, construction, education, HR, legal.
• Adecco – generalist giant; office, industrial, professional.
• Randstad – generalist giant; office, industrial, education, care, construction.
• Manpower – generalist; industrial, logistics, office, professional.
• Michael Page / Page Personnel – professional roles: finance, tech, sales, marketing, HR, legal.
• Robert Walters – professional and white-collar; finance, tech, legal, HR.
• Robert Half – especially finance, accounting and tech.
• Pertemps – strong UK-wide generalist; industrial, office, driving, care.
• Blue Arrow – industrial, logistics, hospitality, office.
• Brook Street – office, admin, customer service, public sector.
• Office Angels – admin, secretarial, office support.
• Search – professional, technical, healthcare, education, office.

Industrial, logistics, driving, hospitality

• Blue Arrow
• Pertemps
• Staffline
• Extrastaff
• Gi Group
• Encore Personnel
• Randstad
• Adecco
• Manpower

Tech, digital, data

• SThree – parent of Computer Futures, Huxley, Real Staffing, Progressive Recruitment.
• Lorien
• Harvey Nash / Nash Squared
• La Fosse
• Harnham – data, AI, analytics.
• Understanding Recruitment
• Trust in SODA
• Burns Sheehan
• Client Server
• Oho
• Frank Recruitment Group – Nigel Frank, Mason Frank, Jefferson Frank, etc.
• Salt – digital, marketing, creative.
• Major Players – creative, marketing, digital.

Healthcare / NHS

• NHS Professionals – NHS staff bank, widely used.
• Bank Partners – manages NHS staff banks.
• Medacs Healthcare
• Pulse
• HCL Workforce Solutions
• Your World Healthcare
• Locum’s Nest
• Athona
• Randstad Care
• Service Care Solutions

Education / supply teaching

• Teaching Personnel
• Vision for Education
• Tradewind Recruitment
• Protocol Education
• Randstad Education
• Hays Education
• Academics
• Career Teachers
• Engage Education
• Smart Teachers

Finance, accounting, legal

• Robert Half
• Marks Sattin
• Goodman Masson
• Selby Jennings
• Eames
• Investigo
• Sellick Partnership
• Venn Group
• Chadwick Nott
• Totally Legal
• ENL Legal
• BCL Legal
• Douglas Scott

Public sector, social care, housing

• Morgan Hunt
• Venn Group
• Service Care Solutions
• Eden Brown
• Sellick Partnership
• Caritas Recruitment
• Sanctuary Personnel
• Hays
• Reed

Executive / board level

• Odgers Berndtson
• Spencer Stuart
• Egon Zehnder
• Heidrick & Struggles
• Russell Reynolds
• Korn Ferry
• Page Executive
• Norman Broadbent
• Saxton Bampfylde
• Green Park

Job boards people actually use alongside agencies

These aren’t staffing agencies, but UK candidates use them constantly:

• Indeed
• LinkedIn
• Reed.co.uk
• CV-Library
• Totaljobs
• Glassdoor
• Otta / Welcome to the Jungle

Practical shortlist

If you just want the names most people in the UK recognise and use:

• Generalist: Reed, Hays, Adecco, Randstad, Manpower, Pertemps, Blue Arrow, Brook Street, Office Angels.
• Professional: Michael Page, Page Personnel, Robert Walters, Robert Half, Hays, Reed.
• Tech: SThree, Lorien, Harvey Nash, La Fosse, Harnham.
• Healthcare: NHS Professionals, Medacs, Pulse, HCL.
• Education: Teaching Personnel, Vision for Education, Tradewind, Protocol.
• Public sector: Morgan Hunt, Venn Group, Service Care Solutions, Sellick Partnership.
• Executive: Odgers Berndtson, Spencer Stuart, Korn Ferry, Egon Zehnder, Heidrick & Struggles.

How to use them

• Register with 3–5 relevant agencies, not 20.
• Check if they’re REC members, and look at Google/Trustpilot reviews.
• Never pay a fee for work-finding — UK agencies are normally paid by the employer.
• For temp/contract, ask about PAYE vs umbrella, holiday pay, Agency Workers Regulations, and IR35.
• Keep your CV in UK format and be clear about location, salary/day rate, notice period and right to work.

Best single answer: Reed, Hays, Adecco, Randstad, Manpower, Michael Page, Robert Walters, Robert Half, Pertemps, Blue Arrow and Brook Street are the biggest generalist names. For specialists, NHS Professionals, Teaching Personnel, Lorien/Harvey Nash, Morgan Hunt and Odgers Berndtson are among the ones people actually use.

The leading staffing and recruitment agencies in the UK (often called recruitment agencies or temp agencies) include well-established names that dominate both by revenue and popularity among jobseekers and employers.

These are the ones people actually use and recommend most frequently, based on market size, sector coverage, branch networks, and consistent mentions in industry reports and guides. The UK market is quite fragmented, but a handful of big players handle a large share of placements across temporary, contract, and permanent roles.

Top Overall / Generalist Agencies

These have broad coverage across multiple sectors (IT, finance, admin, engineering, healthcare, etc.) and strong national presence with branches or online platforms:

• Hays — Frequently tops “best overall” lists for multi-sector professional recruitment (IT, finance, construction, legal, HR). Strong for both permanent and temporary roles, with a huge network.
• Reed — Excellent for volume, accessibility, and hard-to-fill roles across all sectors. Family-run with a massive online presence (reed.co.uk) and offices nationwide; popular for both jobseekers and employers.
• Adecco — One of the biggest for temporary, industrial, logistics, admin, and manufacturing placements. Good for quick temp cover and has a very large UK footprint.
• Randstad — Strong in healthcare, education, public sector, engineering, and flexible/temporary staffing.

Other Highly Regarded Specialists

• Michael Page (and Page Personnel) — Best for mid-to-senior professional and permanent roles in finance, legal, marketing, and tech.
• Robert Walters — Particularly strong in finance, professional services, legal, HR, and tech.
• Robert Half — A go-to for accounting, finance, admin, and temporary/contract roles.
• Impellam Group — Currently the largest by UK revenue (around £1.48 billion in 2024), with broad staffing operations.
• SThree (brands like Huxley or Computer Futures) — Specialist in IT, technology, engineering, and life sciences.

Quick Tips for Choosing One

• For temporary or flexible work — Start with Adecco, Reed, or Randstad (they move fastest for same-day or short-notice placements).
• For professional or permanent roles — Hays, Michael Page, or Robert Walters are often recommended.
• Sector-specific — Look at specialists (e.g., SThree for tech/IT, or others like Spencer Ogden for energy/engineering).
• Check local branches or websites (most have strong online portals), read recent Trustpilot/Google reviews for your area, and register with 2–3 that match your sector and location. Many also offer career advice or salary guides.

The “best” one depends on your specific needs (e.g., temp vs permanent, industry, location like London vs regional). Hays, Reed, and Adecco are among the most widely used day-to-day by people across the UK.

If you tell me more about the sector, role type (temp/permanent), or location, I can narrow it down further!