Public Sector Assurance Assistant Manager

Grant Thornton is seeking an Assistant Manager within Public Sector Assurance – Growth Services. The role is part of our growth team and project delivery pool, supporting public‑sector clients across Local Government, Health, Central Government and other bodies.

Responsibilities

• Help deliver impactful outcomes for public sector clients by supporting the design and delivery of innovative, people‑centred, data‑driven and digitally enabled services.
• Work as part of a dynamic growth team across sectors and capabilities, contributing to established services and the development of new, market‑relevant propositions.
• Support product and service development through ideation, design and refinement—building use cases, credentials and evidence that strengthen our value proposition and respond to client needs.
• Contribute to business development activity, including proposal writing, pipeline development, market scanning and identifying opportunities for growth.
• Support market engagement and lead origination through thought leadership, events and client interactions.
• Work closely with delivery teams and clients to understand complex challenges and translate these into practical, scalable solutions.
• Apply analytical thinking and insight to inform decision‑making, using data, market trends and client feedback to continuously improve offerings.
• Build strong relationships with internal teams, partners and client stakeholders.
• Take ownership of high‑quality deliverables, demonstrating strong organisation, time management and communication skills.
• Contribute to a positive, collaborative and entrepreneurial team culture, proactively suggesting and supporting practice development initiatives.

Qualifications – Minimum Criteria

• Experience in a relevant role such as consulting, product or service development, business development, public sector delivery, financial services, or a related field.
• Strong communication skills, with the ability to develop clear, compelling written materials and engage stakeholders.
• Experience using digital and productivity tools to analyse information and present insights, including Microsoft Office (PowerPoint, Excel).
• Ability to manage multiple priorities and contribute across delivery, product development and growth‑focused activities.

Preferred Skills

• Experience contributing to product or service development or go‑to‑market activities.
• Exposure to business development, including bids, proposals or market engagement.
• Confidence using data and technology to generate insights (e.g. Power BI, Tableau, AI‑supported analysis).
• Interest in the public sector and its challenges.
• Strong analytical and problem‑solving skills.
• Commercial awareness and ability to identify opportunities.
• Strong interpersonal skills, including ability to engage and influence stakeholders.
• Proactive, adaptable mindset in a fast‑paced environment.

Benefits

We support flexible working, including reduced hours and other arrangements to help balance work and life.

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