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52

Assistant jobs in City of london, england

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Top job
The Royal Marsden Cancer Charity, Chelsea (On-site)
£27,000 - £27,500 per year
Looking for a part-time job and a chance to build your skills? We’re looking for someone organised and enthusiastic to join our team.
Posted today Apply Now
Top job
BESS, Remote
£27k pro rata for 25 hours = £19,300 per annum
An exciting opportunity for an experienced Admin Assistant to work with the BESS team to help successfully deliver the aims of the society. 
Posted 1 day ago Apply Now
Top job
NEON, London (Hybrid)
£33,587 per year
The purpose of this role is to support NEON achieving its mission by ensuring things are running smoothly
Posted 5 days ago
Resurgo Trust, Islington (On-site)
from £27,000
Posted 1 day ago
Closing in 5 days
St Mungo's, SE13, London (On-site)
£30,703 - £31,507 per year
Posted 2 days ago
Air Ambulance Charity Kent Surrey Sussex, Chatham, England (On-site)
£25000 - £26000 per annum
Posted 2 days ago
Army Cadet Charitable Trust UK, London (On-site)
£28,808 per year
To provide effective administrative support to the Office Manager and the wider team to ensure the smooth running of the charities.
Posted 2 days ago Apply Now
High Trees Community Development Trust, London (On-site)
£25,210 - £30,600 per year
High Trees are seeking a new team member to provide full administrative and programme support to the Research & Impact team.
Posted 2 days ago
Closing in 7 days
1001 Critical Days Foundation, London (Hybrid)
£32,000 per year
The 1001 Critical Days Foundation is determined that every baby should experience the best start in life.
Posted 2 days ago
Closing in 6 days
Screen Share, NW5, London (On-site)
£30,000 per year (pro rata)
Busy operations and customer service role at the heart of our award-winning digital access project
Posted 3 days ago Apply Now
Whitley Fund for Nature, London (On-site)
£27,000 per year
Support event delivery and the smooth running of the office as well as provide some administrative support at WFN.
Posted 4 days ago
Whitley Fund for Nature, London (Hybrid)
£27,000
To maintain and to help grow the communications, particularly across digital platforms, at WFN.
Posted 4 days ago
Closing in 6 days
Biochemical Society, Remote
£25,000 - £28,000 per year + Benefits
We are looking for an Event and Training Assistant to support the Society’s work, gaining practical experience in training and events.
Posted 5 days ago
Closing in 3 days
Survival International, London (Hybrid)
£27,000 - £35,000 per year
Seeking a passionate research and policy person to work on our campaigns with Indigenous peoples in Spanish-speaking South America
Posted 1 week ago

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Chelsea, Greater London (On-site)
£27,000 - £27,500 per year
Part-time (7h30 per day)
Permanent

Using Anonymous Recruitment

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Actively Interviewing

This organisation is scheduling interviews as applications come in. They're ready to hire as soon as they find the right person. Don't miss your opportunity, apply now!

Job description

This is an office-based role located in Chelsea, London, where you’ll be supporting the team with a variety of day-to-day tasks involved in donation processing and event fulfilment. Full training will be provided, so we’re happy to hear from applicants who are keen to learn and get involved.

Key responsibilities include:

• Securely opening and processing donations

• Updating donor records on Raiser’s Edge, our supporter database

• Maintaining accurate and reliable supporter information, including Gift Aid, consent, and communication preferences

• Responding to fundraiser enquiries in a timely manner

• Assisting the team with the fulfilment of events and online order

Posted by
The Royal Marsden Cancer Charity View profile Organisation type Registered Charity Company size 101 - 500

The Royal Marsden Cancer Charity raises money to improve the lives of people affected by cancer.

The Royal Marsden Cancer Charity logo Play
Posted on: 31 December 2025
Closing date: 30 January 2026 at 12:00
Tags: Administration, Operations, Compliance / Quality, Data Entry, Database Management

The client requests no contact from agencies or media sales.