{
  "page": 1,
  "sort": "rank",
  "limit": 25,
  "month": "2026-08",
  "country": "United Kingdom",
  "industry": "Biotechnology",
  "rankings": [
    {
      "rank": 1,
      "slug": "astrazeneca",
      "company": "AstraZeneca",
      "website": "astrazeneca.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/astrazeneca",
      "rankChange": 0,
      "mentionCount": 34,
      "previousRank": 1,
      "visibilityScore": 87.2
    },
    {
      "rank": 2,
      "slug": "gsk",
      "company": "GSK",
      "website": "gsk.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/gsk",
      "rankChange": 3,
      "mentionCount": 24,
      "previousRank": 5,
      "visibilityScore": 61.5
    },
    {
      "rank": 3,
      "slug": "glaxosmithkline",
      "company": "Glaxosmithkline",
      "website": "glaxosmithkline.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/glaxosmithkline",
      "rankChange": 1,
      "mentionCount": 11,
      "previousRank": 4,
      "visibilityScore": 28.2
    },
    {
      "rank": 4,
      "slug": "abcam",
      "company": "Abcam",
      "website": "abcam.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/abcam",
      "rankChange": null,
      "mentionCount": 7,
      "previousRank": null,
      "visibilityScore": 17.9
    },
    {
      "rank": 5,
      "slug": "pfizer",
      "company": "Pfizer",
      "website": "pfizer.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/pfizer",
      "rankChange": null,
      "mentionCount": 6,
      "previousRank": null,
      "visibilityScore": 15.4
    },
    {
      "rank": 6,
      "slug": "roche",
      "company": "Roche",
      "website": "roche.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/roche",
      "rankChange": null,
      "mentionCount": 6,
      "previousRank": null,
      "visibilityScore": 15.4
    },
    {
      "rank": 7,
      "slug": "biogen",
      "company": "Biogen",
      "website": "biogen.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/biogen",
      "rankChange": null,
      "mentionCount": 5,
      "previousRank": null,
      "visibilityScore": 12.8
    },
    {
      "rank": 8,
      "slug": "lonza",
      "company": "Lonza",
      "website": "lonza.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/lonza",
      "rankChange": -2,
      "mentionCount": 4,
      "previousRank": 6,
      "visibilityScore": 10.3
    },
    {
      "rank": 9,
      "slug": "charles-river",
      "company": "Charles River",
      "website": "charlesriver.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/charles-river",
      "rankChange": null,
      "mentionCount": 3,
      "previousRank": null,
      "visibilityScore": 7.7
    },
    {
      "rank": 10,
      "slug": "gw-pharmaceuticals",
      "company": "Gw Pharmaceuticals",
      "website": "gwpharmaceuticals.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/gw-pharmaceuticals",
      "rankChange": null,
      "mentionCount": 3,
      "previousRank": null,
      "visibilityScore": 7.7
    },
    {
      "rank": 11,
      "slug": "illumina",
      "company": "Illumina",
      "website": "illumina.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/illumina",
      "rankChange": null,
      "mentionCount": 3,
      "previousRank": null,
      "visibilityScore": 7.7
    },
    {
      "rank": 12,
      "slug": "iqvia",
      "company": "IQVIA",
      "website": "iqvia.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/iqvia",
      "rankChange": null,
      "mentionCount": 3,
      "previousRank": null,
      "visibilityScore": 7.7
    },
    {
      "rank": 13,
      "slug": "novo-nordisk",
      "company": "Novo Nordisk",
      "website": "novonordisk.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/novo-nordisk",
      "rankChange": null,
      "mentionCount": 3,
      "previousRank": null,
      "visibilityScore": 7.7
    },
    {
      "rank": 14,
      "slug": "biontech",
      "company": "Biontech",
      "website": "biontech.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/biontech",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 15,
      "slug": "bristol-myers-squibb-uk",
      "company": "Bristol Myers Squibb Uk",
      "website": null,
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/bristol-myers-squibb-uk",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 16,
      "slug": "evotec",
      "company": "Evotec",
      "website": "evotec.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/evotec",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 17,
      "slug": "medimmune",
      "company": "Medimmune",
      "website": null,
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/medimmune",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 18,
      "slug": "moderna",
      "company": "Moderna",
      "website": "moderna.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/moderna",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 19,
      "slug": "ppd",
      "company": "Ppd",
      "website": "ppd.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/ppd",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 20,
      "slug": "syneos-health",
      "company": "Syneos Health",
      "website": "syneoshealth.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/syneos-health",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 21,
      "slug": "thermo-fisher-scientific",
      "company": "Thermo Fisher Scientific",
      "website": "thermofisherscientific.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/thermo-fisher-scientific",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 22,
      "slug": "wuxi-apptec",
      "company": "Wuxi Apptec",
      "website": "wuxiapptec.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/wuxi-apptec",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 23,
      "slug": "alkermes",
      "company": "Alkermes",
      "website": null,
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/alkermes",
      "rankChange": null,
      "mentionCount": 1,
      "previousRank": null,
      "visibilityScore": 2.6
    },
    {
      "rank": 24,
      "slug": "amgen",
      "company": "Amgen",
      "website": "amgen.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/amgen",
      "rankChange": null,
      "mentionCount": 1,
      "previousRank": null,
      "visibilityScore": 2.6
    },
    {
      "rank": 25,
      "slug": "amgen-uk-and-ireland",
      "company": "Amgen Uk & Ireland",
      "website": null,
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/amgen-uk-and-ireland",
      "rankChange": null,
      "mentionCount": 1,
      "previousRank": null,
      "visibilityScore": 2.6
    }
  ],
  "lastUpdated": "2026-08-25",
  "previousMonth": "2026-03",
  "totalCompanies": 54,
  "methodology": {
    "version": "1.0",
    "url": "https://employers.perceptionx.ai/api-docs#methodology",
    "description": "Visibility Score (0-100) is the share of AI model × candidate-experience-theme combinations within an industry and country where the company was mentioned in AI-generated answers to candidate-style questions. Ranks are computed per industry and country; ties break by mention count, then company name. Responses from other assistants (e.g. Claude, DeepSeek) are collected for research but not included in index scoring.",
    "models": [
      "ChatGPT",
      "Google Gemini",
      "Perplexity"
    ]
  }
}