Finance Transformation Assistant Manager

Grant Thornton UK; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Grant Thornton UK in London is seeking an Assistant Manager to join Finance Consulting. You will work on engagements that help clients close their books faster, reconcile accounts, and report with greater speed and confidence.

You will develop skills in process redesign, close automation technology, and stakeholder management, supported by Directors and Partners who will help you grow. Over time you will take on increasing responsibility for leading workstreams and managing client relationships,

Qualifications

• Interest in finance transformation and how technology can improve controllership and close processes.
• Experience leading workstreams or small teams and developing people leadership.
• Background in Finance Consulting, External Audit, or line finance roles focused on close, reporting, or controls.
• Professional qualification with post-qualification experience.

Responsibilities

• Assist with practice development initiatives—internal business development or external marketing.
• Manage engagement budgets and timelines.
• Support and lead workstreams within controllership and financial close transformation engagements.
• Analyse current-state close processes to identify bottlenecks and automation opportunities.
• Design and implement improved close calendars, reconciliation frameworks, and workflows.
• Support close technology implementations (FloQast, OneStream, Prophix, BlackLine).
• Develop process documentation, policy frameworks, and training materials.

Skills

Finance transformation

Process redesign

Stakeholder management

Leadership/people management

Analytical skills

Education

Professional qualification (ACA/ICAS/CA/ACCA/CIMA/CIPFA) with post-qualification experience

Tools

FloQast

OneStream

Prophix

BlackLine

Job description

• You will work on engagements that help clients improve how they close their books, reconcile accounts, and report with greater speed and confidence. You will develop skills across process redesign, close automation technology, and stakeholder management, supported by experienced Directors and Partners who will help you grow
• Over time you will take on increasing responsibility for leading workstreams and managing client relationships, building towards Manager and beyond
• As a Assistant Manager in our Finance Consulting team you will :
• Build your own internal and external network so that you can grow your experience of opportunity generation as you progress towards Associate Director and beyond
• Develop your skills and knowledge around finance automation technology including achieving certification status of selected solutions
• Use empathy and listening skills to uncover the real root cause of issues and translate that into compelling propositions for clients
• Demonstrate a collaborative attitude towards colleagues across Consulting and wider Grant Thornton, always looking to bring the most appropriate capabilities to our clients regardless of departmental boundaries
• Take real ownership of quality, compliance, and risk matters on your engagements
• Assist with practice development initiatives- whether internal business development, external marketing, or the continued improvement of our toolkit — typically in conjunction with senior colleagues, with scope to carve your own niche over time
• Take responsibility for managing engagement budgets and timelines
• Support and lead workstreams within controllership and financial close transformation engagements, from diagnostic through to implementation
• Analyse current-state close processes- identifying bottlenecks, manual workarounds, control weaknesses, and opportunities for automation
• Assist in the design and implementation of improved close calendars, account reconciliation frameworks, task management workflows, and intercompany processes
• Support close technology implementations across FloQast, OneStream, and Prophix — including requirements gathering, configuration support, testing, and user adoption activities
• Develop process documentation, policy frameworks, and training materials that help clients embed and sustain change
• Build strong day-to-day relationships with client finance teams, acting as a trusted and responsive point of contact

Benefits

• Income protection
• Matched pension
• Life cover
• Private medical, including anytime access to Doctor@Hand and Stronger Minds
• Professional subscriptions

Confidence engaging with senior finance stakeholders, and the ability to manage expectations effectivelyIt would be great if you had some of the following skills, but don’t worry if you don’t tick every box, we’ll help you develop along the wayJoining us as a Manager or Assistant Manager in Finance Consulting, the minimum criteria you’ll need isA genuine interest in finance transformation and the role technology can play in improving controllership and close processesPast experience of leading workstreams or small teams, and a desire to grow as a people leaderA background in Finance Consulting, External Audit, or line finance roles in industry, particularly those focused on financial close, reporting, or controlsProfessional qualification (ACA, ICAS, CA, ACCA, CIMA, or CIPFA) with post-qualification experienceProven experience in one or more of: month-end and year-end close; account reconciliation; financial controls and compliance; process improvement; finance system implementationExposure to close automation or EPM technologies such as FloQast, OneStream, Prophix, BlackLine, or similarExperience of Finance Change or Transformation Programmes, even in a supporting roleThe ability to use a framework and methodology-driven approach to identify root causes, propose solutions, and support deliveryA track record of using digital and analytical skills in a finance context