The Leyden Group
Professional recruiting firm with a Littleton headquarters, specializing in toxicology, risk assessment, product safety and related scientific leadership. It recruits scientific professionals for pharmaceutical, consumer product, chemical and consulting employers.
Healthcare & Life Sciences of 10
#29Overall of 143
- Fee model
- Not stated
- Founded · Team
- 2003
- City
- Denver
- License
- None on file
- Google reviews
- See on Google ↗
- Open roles, last 90 days
- 3
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- 03Reply to Denver hiring briefs in Healthcare & Life Sciences.
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Score breakdown
Why 52.2: three inputs, all public.
Built from public signals. It measures specialisation and activity, not a guarantee of service quality.
Specialties & roles advertised
A Healthcare & Life Sciences shop, almost entirely.
Roles advertised most
- Associate Director, Toxicology – Pharma 1
- Director/Associate Director Toxicology – Pharmaceuticals 1
- Director, Food Safety/Toxicology – US Foods Company 1
Recent placements · Reported by firm
No placements added yetOur sponsor keeps this index free to read and free to be listed in. It has no say in any ranking.
Terms
What they charge, as far as we know.
Fee model
Not stated
The firm's website doesn't say.
Firm website · Nov 2026
Typical fee · Reported by firm
Guarantee · Reported by firm
Market context · Fee survey
Collecting responses. No market range until enough firms answer.
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Terms never affect the score
Reputation
What the public record shows.
Google reviews
Read what clients and candidates say about The Leyden Group on Google Maps.
See reviews on Google →On Google · we don't copy, store or score these reviews
Verified client reviews
None yetClaimed firms can invite their clients to review them, verified by work email.
Is this your firm? Claim it →Similar firms in Healthcare & Life Sciences
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| 01 | The HealthCare Initiativesince 1974 | Not stated | Not disclosed | 18 | 56.5 |
| 02 | Equity Staffing Group | Not stated | Not disclosed | 10 | 53.0 |
| 04 | RM Medical Searchsince 1995 | Retained | Not disclosed | 0 | 41.3 |
| 05 | Harlequin Recruiting | Not stated | Not disclosed | 22 | 37.8 |
| 06 | BroadReach Search PartnersGreenwood Village | Not stated | Not disclosed | 10 | 30.2 |
- 01The HealthCare Initiative56.5Not statedNot disclosed18 open roles
- 02Equity Staffing Group53.0Not statedNot disclosed10 open roles
- 04RM Medical Search41.3RetainedNot disclosed0 open roles
- 05Harlequin Recruiting37.8Not statedNot disclosed22 open roles
- 06BroadReach Search PartnersGreenwood Village30.2Not statedNot disclosed10 open roles
Hiring in Healthcare & Life Sciences?
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Send this firm a brief →Data sources & last updated
- Job ads · Firm website
- Nov 10, 2026
- Firm website
- Nov 3, 2026
- Firm and specialisms
- Nov 3, 2026
- Littleton headquarters
- Nov 3, 2026
- Founder and team
- Nov 3, 2026
- Open scientific positions
- Nov 3, 2026
- September 2026 open toxicology search
- Nov 3, 2026
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