Part-time AI Evaluator for Legal jobs in United Kingdom
26 open AI Evaluator: Legal tasks are listed for the United Kingdom, from £32 to £59 an hour. The typical rate for a senior AI Evaluator: Legal here is £35 an hour, built from a market median wage of £28.78. At five hours a week that is about £760 a month.
Employee wage percentiles for the role. Contractors on Deftridge earn more than the median because they carry their own costs.
Percentile
Per hour
5 h a week, per month
Full time, per year
10th
£15.33
£330
£31,900
25th
£21.93
£480
£45,600
Median
£28.78
£620
£59,900
75th
£40.12
£870
£83,400
90th
£75.69
£1,640
£157,400
Source: Office for National Statistics, 2026p; aged to October 2026 with a wage index and calibrated on posted pay. Method.
Deftridge rate by level
Level
Per hour
Per month at 5 h/week
Senior
£35
£760
Manager
£45
£980
Director
£50
£1,080
About this role
Lawyers and legal professionals grade AI answers on legal questions: sources, jurisdiction, caveats. Usual tools: client annotation portal, Google Sheets.
What to check before you take a task next to a full-time job. Orientation only; none of it is legal or tax advice.
Checked on official pages, November 2026
For tax year 2026 to 2027, self-employed Class 4 National Insurance is 6% on profits over £12,570 up to £50,270 and 2% on profits over £50,270. Source
Class 2 National Insurance does not have to be paid: with profits of £7,105 or more it is treated as paid; below that, voluntary Class 2 is £3.65 a week for 2026 to 2027. Source
Self Assessment: the online tax return is due by 31 January after the tax year; a second payment deadline of 31 July applies when payments on account are made; a person who needs to file and has not before must tell HMRC by 5 October. Source
Your recruiter walks through these points with you before you accept a task. Read the guides
The same rules apply to every task, so they live on two pages: Pricing explains the 15% fee, prepayment and when you are paid; How it works covers matching, what a company sees and side work next to a job.
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