Charles River
Charles River ranks joint 9th of 52 in UK biotechnology, with a Visibility score of 10.3 out of 100. It was not in this ranking in March 2026, when the list had 7 employers. AI recommends it most for interviews, work-life balance and job security. AstraZeneca leads the ranking, 76.9 points ahead of Charles River. It also appears in 2 other UK rankings, placing joint 21st in pharmaceutical.
Rank by country
Visibility in biotechnology in each country. Open a country for AI's other picks and the topics behind the score.
- AI's top picks thereSanofiPfizerNovartisTop pick forInnovationNot mentioned forLeadershipPurposeHiring process
- AI's top picks thereAstraZenecaGSKOxford NanoporeStrongest onWork-life balanceInterviewsJob securityNot mentioned forPayInnovationLeadership
- AI's top picks thereresMedNovartisCSIROStrongest onWork-life balanceInterviewsNot mentioned forPayInnovationLeadership
- AI's top picks thereBeiGeneWuXi AppTecInnovent BiologicsStrongest onHiring processJob securityNot mentioned forPayInnovationLeadership
- AI's top picks therePfizerAbbVieAmgenStrongest onWork-life balanceInterviewsNot mentioned forPayInnovationLeadership
- AI's top picks therePfizerRocheAstraZenecaStrongest onCareer growthOnboardingNot mentioned forPayInnovationLeadership
- AI's top picks thereGrifolsRocheAlmirallStrongest onWork-life balanceJob securityNot mentioned forPayInnovationLeadership
- AI's top picks thereNovo NordiskGenmabLundbeckStrongest onWork-life balanceNot mentioned forPayInnovationLeadership
- AI's top picks thereSanofiServierbioMérieuxStrongest onHiring processNot mentioned forPayInnovationLeadership
- AI's top picks thereMerckBayerBoehringer IngelheimStrongest onJob securityNot mentioned forPayInnovationLeadership
- AI's top picks thereChiesiMenariniNovartisStrongest onWork-life balanceNot mentioned forPayInnovationLeadership
- AI's top picks thereTakedaAstellasDaiichi SankyoStrongest onPayNot mentioned forInnovationLeadershipPurpose
- AI's top picks thereDSM-FirmenichJanssenJohnson & JohnsonStrongest onPayNot mentioned forInnovationLeadershipPurpose
- AI's top picks thereNovartisRocheSanofiStrongest onPayNot mentioned forInnovationLeadershipPurpose
- AI's top picks thereSamsung Medical CenterSamsung BiologicsSamsungStrongest onCareer growthNot mentioned forPayInnovationLeadership
- AI's top picks thereAmgenVertexRocheStrongest onPayNot mentioned forInnovationLeadershipPurpose
Visibility score out of 100, in the same industry wherever Charles River is ranked in it.
Rank by job function
Overall in UK biotechnology: joint 9thCharles River is outside the top 10 for every job function in UK biotechnology. Open a job to see who else AI recommends.
- AI's top picksAstraZenecaGSKOxford Nanopore
- AI's top picksAstraZenecaGSKNovartis
- AI's top picksAstraZenecaGSKPfizer
- AI's top picksGSKAstraZenecaPfizer
- AI's top picksAstraZenecaGSKPfizer
Score: the share of AI answers that name Charles River when candidates in that job ask about employers.
What candidates ask about
Charles River is not AI's top pick in UK biotechnology for any topic yet. AI does not recommend Charles River at all for pay, innovation, leadership, purpose, hiring process, career growth, culture, inclusion and onboarding.
| Topic | Does AI recommend Charles River? | Who AI recommends most | |
|---|---|---|---|
| Pay | Not mentioned | AstraZenecaGSK | |
| Innovation | Not mentioned | AstraZenecaOxford Nanopore | |
| Leadership | Not mentioned | AstraZenecaGSK | |
| Purpose | Not mentioned | AstraZenecaOxford NanoporeGW Pharmaceuticals | |
| Hiring process | Not mentioned | AstraZenecaGSK | |
| Career growth | Not mentioned | AstraZenecaGSK | |
| Culture | Not mentioned | AstraZeneca | |
| Work-life balance | Yes | AstraZeneca | |
| Inclusion | Not mentioned | AstraZenecaGSK | |
| Interviews | Yes | AstraZenecaGSKOxford Nanopore | |
| Onboarding | Not mentioned | AstraZenecaGSKOxford Nanopore | |
| Job security | Yes | AstraZenecaGSKLonza |
Take control of how AI presents Charles River
Visibility is only the start. PerceptionX shows how AI describes Charles River next to its rivals, the themes and sources behind it, and exactly what to change to win the candidates you want.
Top five in UK biotechnology
- 1AstraZeneca87.2
- 2GSK76.9
- 3Oxford Nanopore43.6
- 4Abcam17.9
- 5Pfizer15.4
Employers near Charles River in UK biotechnology
- 7Biogen12.8
- 7Novartis12.8
- 9Illumina10.3
- 9Lonza10.3
- 12GW Pharmaceuticals7.7
Charles River in other UK rankings
Questions about Charles River
What is Charles River's reputation as an employer, according to AI?
It is joint 9th of 52 biotechnology employers in the UK. AI recommends it most for interviews, work-life balance and job security.
What does Charles River's Visibility score mean?
It is how often AI recommends Charles River when job seekers ask about biotechnology employers in the UK, out of 100. A higher score means candidates are more likely to hear about Charles River when they ask AI where to work.
How does Charles River compare to its competitors?
AstraZeneca and GSK are recommended more often overall.
Why are Sentiment and Relevance locked?
They are part of the full picture. This page shows how often AI recommends Charles River. Sentiment shows how positively AI describes it, and Relevance shows whether AI recommends it to the people Charles River wants to hire.
How can Charles River improve its score?
AI learns about employers from what is written about them: careers pages, reviews, press and what employees share. PerceptionX shows which topics and sources are holding an employer back, and what to change first.
How often is Charles River's data updated?
Rankings refresh with each new round of AI answers. Each page shows the date its data was updated, and the arrows next to each score show how an employer has moved since the previous measurement.
Does Charles River need to be a PerceptionX customer to appear here?
No. Any employer AI recommends often enough appears automatically. Customers get the full picture behind their Visibility score and well beyond it: how positively AI describes them (Sentiment), the themes it links them with, the sources it relies on, custom reports by country and role, and clear steps to improve how candidates see them.
What does the full picture include?
Visibility is one of several metrics. Customers also see Sentiment (how positively AI describes them) and Relevance (whether AI recommends them to the people they hire), the themes AI links them with, the sources AI relies on, custom reports built around their own countries, roles and rivals, and specific recommendations for improving how candidates see them.