Four specialist brands connecting life sciences, technology, engineering and capital markets with the people who make delivery happen, at the moment it matters most.
Specialists in critical markets
Every consultant lives in one market and one specialism. We work only where expertise is scarce and a wrong hire is expensive.
One brief, four brands
Brief the group once. We route it to the right brand and the right consultant, same working day.
Global reach, local expertise
Consultants working inside specialist markets across the UK, EU and US, with contractor compliance handled in-house.
Trusted By
Four brands. One job: yours.
X4 Life Sciences
Medical devices, biotech, healthtech and pharma teams.
X4 Technology
Software, data and AI talent for finance, consultancies and scale-ups.
X4 Engineering
Renewables, oil & gas, TIC and commodities, teams that deliver.
X4 Alpha ↗
Capital markets, asset management and digital assets, on its own platform.
Latest from the Media Hub
63 OF 100 HIRING MANAGERS
63
%
of hiring managers say their last agency didn't understand the role before sending CVs.
X4 GROUP CLIENT SURVEY, 2025
We assess more than capability.
Every candidate is qualified by a person before they reach your desk: capability, motivation and long-term fit. You get three profiles worth interviewing, not twenty CVs to review.
Chosen where the stakes are highest
500
+
STEM employers hired through the group, from FTSE 100s to seed-stage startups.
Shortlists in days, not months
average time from brief to a qualified shortlist of three.
A network built over years, not weeks
100
+
consultants across London, New York, Devon and Berlin, sharing one candidate network since 2008.
The difference the right people make.
“They found us three automation engineers in a market where we’d been searching for six months.”
ENGINEERING DIRECTOR · TIER 1 SUPPLIER
“The only agency that actually understood the role before sending CVs.”
CTO · FINTECH SCALE-UP
“From brief to offer in nineteen days, retained search done properly.”
VP PEOPLE · MEDTECH
Engineers. Data scientists. Everything in between.
Wherever your gap is, we’ve placed it before.
19 sectors,
9 specialisms
Search by industry or by skill, every combination has a dedicated page and a named consultant behind it.
-
X4 Life Sciences | Manufacturing
Quality Manager
Site quality lead accountable for IATF and AS9100 compliance, supplier quality programmes and audit readiness ahead of a customer approval.
-
X4 Technology | Manufacturing
MES Consultant
Configuration and shop-floor rollout of a manufacturing execution system, including integration with an existing SAP estate across three plants.
-
X4 Engineering | Manufacturing
Controls Engineer
PLC, SCADA and HMI ownership across two new assembly lines, working with the automation partner through commissioning and handover to production.
Live roles · Updated daily from all four brands
Compare how you hire with X4
Every service is built around a specific hiring challenge and a clear commercial outcome.
01
Contingent Contract
Proven contract talent, fast, when the project can’t wait, without compromising on quality.
02
Contingent Permanent
Move quickly, hire permanently, and stay focused on long-term success.
03
Multi-Hire
Build high-performing teams at scale, as one campaign, not five separate briefs.
04
Retained Search
When the hire must be right, search the whole market, not just the part that’s looking.
Post-placement care
The partnership doesn’t end when the placement is made. Retention advisory, live salary benchmarking and workforce planning to protect the value of every hire.
FAQs
Everything clients and candidates ask before they pick up the phone.
How quickly do you shortlist?
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Can you hire across multiple countries at once?
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What does it cost?
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Do you handle contractor compliance?
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Contract or permanent, which brand do I talk to?
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Which countries do you cover?
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Explore resources
Media Hub
Market news and hiring insight across STEM.
Podcasts
Leadership Learns, with global STEM leaders.
Guides
Salary benchmarks and hiring playbooks.
Events
Roundtables and meetups across our hubs.
You’re one brief away from your next hire.
Tell us what you need, a specialist consultant replies the same working day.
