Working with Thesis

We are always pleased to hear from talented people to take on a variety of challenging and exciting roles within the business.

We are always on the look out for people who share our approach to business and life - we are open, approachable and straightforward. Our clients come first and our own business success follows naturally on from this.

If you are interested in joining Thesis please contact

Current vacancies

CASS Assurance Administrator

Location: Chichester/Hybrid worker/Homeworker

A vacancy has arisen for a CASS (Client Asset Sourcebook) Assurance Administrator to join the CASS Assurance team.

The job holder will be responsible for completing the day to day CASS key controls for the Group and working effectively with the business to ensure continuous improvement of CASS Compliance.

Key responsibilities include:

  • Completing the daily cash transactional process
  • Completing the daily, monthly internal and external asset reconciliations
  • Completing the daily internal and external client money reconciliations
  • Completing the Transfer Agent reconciliations on a weekly basis
  • Identifying and ensuring the resolution of the discrepancies highlighted by these reconciliations.

The successful candidate will also be responsible for ensuring that all shortfalls and excesses are dealt with in the appropriate manner on the day that they are identified,

The job holder will be educated to ‘A’ Level standard, numerate and analytical, and ideally have or be working towards the Investment Operations certificate (IOC). Knowledge of CASS, specifically CASS 6 and CASS 7, experience within client money and/or Client Asset reconciliation and second line oversight is highly desirable.

It will be a requirement for the successful candidate to complete satisfactory reference checks (including, but not limited to, a DBS check, financial checks and employment references).

To apply for this role or to request a full job description, please contact HR by email at:

Closing date: Friday, 29 September 2023
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