This is a unique opportunity to work closely with a Chief Operating Officer in a large, mission‑driven not‑for‑profit organisation. You'll play a central role in ensuring the COO's priorities, workflow and decision‑making run smoothly in a fast‑paced, complex environment. Client Details Our client is a prominent not‑for‑profit organisation with a strong social purpose and a significant operational footprint. They work across a wide network of partners, stakeholders and communities, delivering impactful services and operating in a landscape that is both dynamic and highly visible. Their culture is collaborative, purpose‑focused and committed to high standards of professionalism and delivery. Description Provide proactive, reliable support to the COO, maintaining a calm and well‑structured executive office Manage and prioritise the COO's inbox, responding on their behalf where appropriate Implement systems to track actions, deadlines and decisions, ensuring nothing is overlooked Prepare the COO for meetings through high‑quality briefings and background materials Attend key meetings to capture actions and ensure effective follow‑up Review and analyse papers, highlighting key issues, risks or gaps Coordinate logistics and briefing materials for events, external engagements and high‑profile meetings Draft clear, well‑structured and sensitive briefings, reports and presentations Build and maintain strong relationships with senior internal stakeholders and external partners Act independently to move actions forward, anticipate requirements and resolve issuesProfile A successful EA to COO should have: Highly proactive with strong judgement and the ability to act autonomously Exceptionally organised, reliable and solutions‑focused Comfortable working at pace in a complex and sensitive environment Diplomatic and professional in senior‑level interactions Strong communicator able to summarise complex information succinctly Experienced supporting C‑suite or equivalent senior leaders in a large or complex organisation Skilled in senior inbox management and shifting-priority workflows Confident attending senior meetings and driving delivery of follow‑up actions Strong analytical, drafting and presentation skills Experienced in improving systems and processes within an executive officeJob Offer Competitive salary of £60,000 per annum. Permanent role based in London. Hybrid working requiring minimum 3 days per week on site. 29 days annual leave. Matched pension scheme. Opportunity to work within the Not For Profit sector. Collaborative and supportive working environment. Chance to make a meaningful contribution to an impactful organisation.If you are an experienced EA to COO looking for your next challenge in London, we encourage you to apply. This is an excellent opportunity to join a respected organisation in the Not For Profit industry