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How to Choose a Recruitment Agency in London and the UK: Sponsorship, Fees and Guarantees
To choose a recruitment agency in the UK, test every shortlisted firm on four things: placements in your exact sector, working knowledge of UK visa sponsorship, a clear fee basis (ideally pay-on-hire), and a written replacement guarantee. Check any employer against the official sponsor register, and measure agencies on speed, not promises.
Sector focus beats size: ask for recent placements in your sub-specialty, in London or the region where the role sits, not a list of logos.
Sponsorship is a process, not a promise: a good agency explains the steps and the limits; none can guarantee a visa outcome.
Fees need a trigger: CBREX customers pay only when they hire, and the replacement guarantee runs 30-90 days post joining depending on the level of hire (CBREX-reported).
Speed is measurable: on UK roles, CBREX reports 48 hours from posting to the first sourced candidate. Use that as your benchmark.
Criterion | What to ask | Benchmark or red flag |
|---|---|---|
Sector focus | Which roles like mine did you fill recently? | Named sub-specialty examples; red flag is "we cover everything" |
Sponsorship know-how | How do you handle candidates who need sponsorship? | Clear steps, honest limits; red flag is a guaranteed visa |
Fee terms | When is the fee triggered, and what is upfront? | CBREX: pay only when you hire, no retainer |
Replacement guarantee | How many days, and what counts as a breach? | CBREX: 30-90 days post joining, by level of hire |
Speed to first candidate | Posting to first sourced candidate? | CBREX UK: 48 hours |
Speed to shortlist | Posting to first shortlist? | CBREX: 24 hours typical |
Coverage | Can one contract cover other countries too? | CBREX: 4000+ recruiting firms, 55 countries, one contract |
Look for four proofs: recent placements in your exact sector, a clear explanation of how sponsorship works, a fee that is triggered only by a hire, and a written replacement guarantee. An agency that cannot show all four will cost you time, even if its brand is well known.
This guide is written for talent acquisition and HR leaders at India-headquartered or India-founded companies who are opening roles in London or elsewhere in the UK. Your problem is rarely finding an agency. London has hundreds. The problem is that you cannot easily tell which ones are good at your type of role, from 7,000 km away, before you have paid for a mistake.
We run UK hiring through CBREX, with a team in Bexleyheath and, since 2020, live UK searches on a 48-hour sourcing rhythm. We also run offices in New York and Bangalore. The sections below show how we would evaluate an agency if we were on your side of the table.
Large generalist agencies are a fair starting point for volume roles. For anything specialised, the better fit is usually a firm whose recruiters have placed people in that exact niche. A pharma regulatory manager, a fintech compliance lead and a data engineer sit in different talent pools, with different salary expectations and notice periods.
Every agency website lists sectors. Ask instead for the last three placements similar to your role: seniority, location and how long each took. You do not need client names; you need specifics. If the answers stay general, you are talking to a sales desk, not a specialist.
Which sub-specialty does your consultant personally cover?
How many candidates for this profile did you speak to in the last quarter?
How do you reach people who are not applying to job boards?
Do you work this role in London only, or across the regions as well?
Pay, notice periods and candidate supply differ between London and, say, the Midlands or the North. An agency with a London desk may be weaker outside it. Say where the role sits in your brief and ask who covers that region. For deeper niche roles, our guide on vetting an agency in a country you have never hired in gives a longer checklist.
Sponsorship is where Indian employers most often get surprised. The official GOV.UK guidance for sponsors states that you need to sponsor any overseas national you wish to employ if they are not a settled worker or do not otherwise have immigration permission to work for you in the UK.
That sentence shapes your whole agency decision. If the person you hire needs sponsorship, the hiring employer must be able to sponsor. An agency cannot do that for you, and a good one will say so early.
GOV.UK publishes a register of licensed sponsors for the Worker and Temporary Worker routes. A figure from the page shows it was last updated on 1 September 2026, and it can be downloaded as a CSV file. Search it for your UK entity, and for any client-side employer the agency says it works with, before you spend time on calls.
A licence alone does not mean a company is hiring or has the right licence for your role. Treat the register as a first filter, then confirm details in the current official guidance.
Do you place candidates who already have UK right to work, candidates who need sponsorship, or both?
What do you need from my UK entity before a sponsored offer is made?
Who handles the Certificate of Sponsorship, and who is accountable if a step slips?
Can you screen for right to work early, so we do not discover it at offer stage?
Be careful with one claim in particular. No recruitment agency, including us, can guarantee a visa outcome or promise sponsorship. Immigration decisions sit with the Home Office. Walk away from anyone who says otherwise. Immigration rules also change, so confirm current requirements with GOV.UK or a qualified immigration adviser before you make an offer.
Fee structure decides who carries the risk. Under contingency, you pay when a hire starts. Under retained search, you pay in stages before a hire exists. Under a pay-on-hire marketplace model such as CBREX, you pay only when you hire, with no retainer, seat licence or upfront fee.
Model | When you pay | Who carries the risk | Best for |
|---|---|---|---|
Contingency agency | On a successful hire | Mostly the agency, but terms vary | Mid-level and volume roles |
Retained search | In stages, before and after shortlist | Largely the employer | Rare senior searches needing dedicated effort |
Pay-on-hire marketplace (CBREX) | Only when you hire | The recruiting firm, not you | Multi-role or multi-country hiring from India |
Get the percentage base in writing: is it first-year base salary or total package? Ask whether bonus, allowances or equity count. Ask what happens if a candidate you already know is introduced by the agency. Our explainer on recruitment agency fees as a percentage of salary walks through those clauses.
Also separate the fee from the cost of managing it. If you use four UK agencies, you may have four contracts, four invoices and four sets of terms. That admin has a price in TA hours. With CBREX, one agreement and one invoice cover the whole network. For a plain explanation of the payment trigger, see how pay-on-hire recruitment works.
A replacement guarantee is the agency's promise to refill the role, or credit the fee, if the hire leaves early. At CBREX, the replacement guarantee runs 30-90 days post joining, depending on the level of hire. Treat that range as CBREX-reported, and compare it with every other quote.
The headline number matters less than the wording. A 90-day guarantee with a long list of exclusions can be worth less than a 60-day guarantee with clean terms.
Clock start: does it run from offer acceptance or from the day the person joins?
Triggers: does it cover resignation, dismissal, or only some reasons?
Remedy: a free replacement search, a credit, or a refund?
Conditions: must you pay invoices within a set time to keep it valid?
Seniority: does the period change by level, as ours does?
Here is the thing no guarantee fixes. If a sponsored candidate leaves because of an immigration problem, the contract may not treat it the same as a normal resignation. Ask this specific question and get the answer in writing.
Speed is the easiest thing to test, because you can time it. Here is what we report from our own work, so you have numbers to hold any agency against. These are CBREX-reported figures, not industry averages.
Stage | CBREX-reported time |
|---|---|
UK role: posting to first sourced candidate | 48 hours |
Typical time to first shortlist after a role is posted | 24 hours |
Average time to source on CBREX | 4-48 hours |
Roles with salary below 100K: role posted to offer | As quick as 10 working days |
One overseas hire: role opening to hire | 27 days, when the process moves in a rhythm |
Two of those lines deserve a caveat. The 10 working days applies to roles with salary below 100K and is the quickest case, not a promise for every search. The 27 days is from one overseas hire, not a UK average. Senior and sponsored roles take longer, because notice periods and sponsorship steps add time that no agency controls.
Ask each agency for its own version of the same three figures: time to first candidate, time to shortlist, and time to offer. If they give you only a "typical" range with no stage breakdown, ask them to define each stage. An agency that has measured its own pipeline answers instantly.
For a sense of the wider picture, our own network spans vetted local talent across 55 countries, from 4000+ recruiting firms under one contract, with 6500+ global hires made. That scale lets us route a UK role to the right specialist rather than to whoever is free. Our 98% resume shortlist ratio is the figure we report for resume screening quality.
One contract means you sign a single agreement with CBREX, post a role once, and CBREX routes it to the specialist recruiting firms best suited to it. Candidates are screened before you see them, and you receive one invoice, paid only when a hire is made.
For a UK search this changes the shape of the work. Instead of briefing five agencies separately and reconciling five CVs for the same person, the platform matches the role to relevant firms using AI vendor matching, screens candidates in three levels (agency pre-screen, AI validation, stack ranking), and flags duplicates. Our guide to how single-contract recruitment works covers the mechanics.
The model is not right for everyone. If you hire one UK role a year and already have an agency you trust, a platform adds little. It earns its place when you hire in several countries, hire niche skills, or are tired of managing vendors.
Before you call anyone, score each agency from 1 to 5 on the criteria below. Weighting keeps the loudest salesperson from winning the decision.
Criterion | Suggested weight | Score 5 looks like |
|---|---|---|
Sector focus | 30% | Three recent, specific placements in your niche |
Sponsorship knowledge | 20% | Clear process and honest limits, no visa promises |
Fee terms | 20% | Fee triggered only by a hire; base defined in writing |
Replacement guarantee | 15% | Clock from joining date, clear triggers, simple remedy |
Speed | 15% | Stage-by-stage times that match or beat 48 hours to first candidate |
Our decision rule is simple. Drop any agency scoring below 3 on sector focus, however cheap it is. A low fee on the wrong talent pool is the most expensive option. If two agencies tie, pick the one with the shorter, cleaner guarantee wording.
What we cannot settle for you is how much weight to give sponsorship. If your hires are all UK-resident candidates, it drops to a minor factor. If you plan to sponsor, raise it to the top and talk to an immigration adviser before you finalise the shortlist.
Most UK agencies charge a percentage of the hired candidate's salary, though rates vary by seniority, sector and model. Exact percentages differ between firms, so get the base and trigger in writing. CBREX customers pay nothing until they hire, with no retainer or upfront fee.
No. Visa decisions are made by the Home Office, and an agency can only help find candidates and explain the process. Under official GOV.UK guidance, an employer must sponsor an overseas national who lacks settled status or other permission to work. Never accept a visa guarantee from an agency.
For most roles, two to four specialist agencies is enough; more creates duplicate CVs and admin. A marketplace such as CBREX lets you reach many specialist firms through one contract, which cuts the contract and invoice count without limiting your talent pool.
Fast enough to beat your own search. As a benchmark, CBREX reports 48 hours from posting to the first sourced candidate on UK roles, and about 24 hours to a typical first shortlist. Ask any agency for its own stage-by-stage times and compare.
Choosing a recruitment agency in the UK comes down to proof: sector placements, an honest sponsorship process, a fee triggered by a hire, and a guarantee you have read in full. If you want to see how 48-hour UK sourcing and pay-on-hire terms work on your own role, book a CBREX demo and bring a live brief.
Want to put a number on what your current agency setup costs in admin and delay? Use the Hidden Hiring Tax calculator. Prefer a conversation first? Let's talk about your UK roles, and we will tell you plainly whether a marketplace fits.
