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23ES (Crime) - 12 Months - October 2023

AETO information
Name of AETO:
Head of AETO:
Kate Lumsdon QC and Eloise Marshall QC
Address of AETO:
Chambers of Kate Lumsdon QC and Eloise Marshall QC, 23ES
1 Gray’s Inn Square
AETO's email:
AETO's website address:
Main practice area:
Crime, Commercial
Practice areas:
Crime; Commercial; Regulatory and disciplinary
Specialist services:
Arbitration and Mediation; Public Access Work
South eastern; Northern
Number of junior tenancies (in the last three years):
Pupillage vacancy information
Number of pupillages:
Financial support level:
£20,000 - £29,999
Closing date:
9 February 2022 at 2:00 PM
Pupillage start date:
October 2023
Pupillage type:
12 month pupillage
23ES is one of the largest and most respected chambers with a national presence in crime and commercial law. We will offer up to four pupillages to commence in the Autumn 2023, two of which will be with our criminal team in London and one with our criminal team in Manchester.

All of our pupillages are be funded, and our London pupils receiving an award of £25,000, comprising a grant of £15,000 paid in the first six and £10,000 guaranteed earnings paid in the second six; our Manchester criminal pupil will receive an award of £20,000, comprising a grant of £12,000 in the first six months and £8,000 guaranteed earnings in the second six.

Pupils will generally have one pupil supervisor every four months to ensure they observe a wide range of work and gain experience and understanding of different working practices. In the second six months criminal pupils can expect to be in court on a daily basis.

Chambers runs a compulsory in-house advocacy training course throughout the year. The training culminates in a mock trial at a Crown Court, judged by a circuit judge, with members of chambers acting as witnesses and jurors. Each pupil is given advice and feedback. The course incorporates sessions on magistrates’ court practice and procedure, questioning vulnerable witnesses and defendants, and practice management. Chambers supports pupils with their external compulsory training.

Chambers seeks to recruit junior tenants from amongst our own pupils and pupillage is offered with a view to tenancy.

Chambers operates in accordance with the principles of fair recruitment and equal opportunities.

How to apply
Please read our Pupillage and the Application Procedure criminal and commercial 2023 carefully before completing your application.

1. Please apply by email to The email should be headed:
“SURNAME, First Name – CRIME Pupillage Application [LOCATION]”
2. Your email must include the following two documents in PDF format:
i. Letter (File Name: “SURNAME, First Name – Letter”) The letter is your opportunity to explain why, in your view, we should offer you an interview. The body of the letter must not exceed 400 words. Your letter is a part of your application and will be marked as such.
ii. Application Form (File Name: “SURNAME, First Name – Application Form”). Please download the relevant Application Form from our website.

3. Please complete and send the Equality and Diversity Monitoring Form (File Name: “SURNAME, First Name – Equality and Diversity Monitoring Form”) with your application. This is required by our Regulators. It will be kept separate and will not feature in any decision to interview or recruit. Please download the form from our website.

4. Please submit your application by 13:00 hrs on 9th February 2022. Applications submitted after this date will not be accepted.

Preliminary interviews will take place in March 2022 and Second interviews in April 2022. We aim to make offers of pupillage to the selected candidates on 6th May 2022.