MercorPosted 14 Aug 2026

Corporate/M&A Lawyer (United Kingdom)

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Pay

$150–160/hr

Work

Remote · Contract · United Kingdom (remote)

Experience

2+ years

Eligibility

GBR

Field

Law

Skills

Corporate/M&A LawTransactional LawUK Corporate LawUK Commercial LawLegal AI/LLM EvaluationResponse Scoring RubricsEnglishUK Legal Practice Qualification

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About this role

Mercor is partnering with a leading legal AI company to benchmark how well AI systems answer real questions of UK law. We are hiring experienced corporate/M&A lawyers to serve as expert reviewers — running the same prompts through two AI platforms, comparing the answers, and scoring them against a standardized rubric.

What you'll do

  • Run the same set of prompts across two AI (LLM) platforms
  • Compare the outputs from both platforms side by side
  • Score each response against a standardized rubric we provide
  • Submit concise written feedback for every evaluation

Requirements

  • Primarily law-firm experience — at least 2 years (3+ preferred) at a law firm in corporate/M&A or transactional practice. If you are currently in-house, that is fine only if you moved in-house within the last 2 years and your prior experience was at a law firm.
  • Qualified to practise in the United Kingdom, with a strong command of UK corporate and commercial law
  • Native or fluent English, with precise written communication
  • Able to work independently to a rubric and to deadlines

Logistics

  • Initial commitment: ~10 hours, with strong potential for more
  • Confidentiality: all work is covered by NDA

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