Assistant Manager – Indirect tax transformation (E-invoicing)

Alternatively, Grant Thornton

At Grant Thornton we do things differently - looking to the future, driving ambitious growth and pioneering positive change in our industry. Providing audit, tax and advisory services, we empower clients through strategic insight, curiosity, and genuine partnership. And we empower our people with real opportunity, an inclusive culture and work life balance. A true alternative.

With over 5,000 people in the UK, and a presence in 150 global markets, we're on an ambitious journey, from great to exceptional, and we need the best people to help us achieve our potential. And with that comes the opportunity to help redefine what our industry looks like, and what you want from your career.

Job Description

Assistant Manager – Indirect tax transformation (E-invoicing)

Location: London/Reading/Bristol (hybrid)

Level: Assistant Manager

Team: Digital Tax Consulting Team (Indirect tax transformation and technology)

Role overview

We're looking for an indirect tax transformation assistant manager with a primary focus on supporting the delivery of e-invoicing projects within our growing Digital Tax Consulting team. This is a client-facing role initially focusing on global e-invoicing and e-reporting mandates but will also provide the opportunity to grow and support other areas of our transformation business as required i.e. implementation of VAT solutions, working on ERP programs.

As an assistant manager, you will support as part of the team on the end-to-end delivery of e-invoicing engagements – from solution selection/design through to requirements gathering, configuration, testing and go-live while helping the team with building client relationships.

What you will do

• Support with the end-to-end delivery of e-invoicing projects, managing scope, budget, risk and quality across the full project lifecycle
• Support and help the senior team where required in maintaining alliances with third party technology providers

Interpret country-specific e-invoicing mandates globally, including data and process impact/requirements and translating them into practical delivery actions for clients as part of projects

Support the senior team on managing engagement risk and quality: apply firm policies and procedures, maintain appropriate documentation, and ensure compliance with internal quality standards and external regulatory expectations

Support with new e-invoicing opportunities, along with supporting on proposals and bids

Strengthen the wider practice — help the team in refining delivery methodology and support in building reusable accelerators and tools

Key skills and experience

Essential

Experience delivering tax technology or e-invoicing implementation projects in a consulting, professional services, or in-house tax technology environment

Knowledge of e-invoicing and e-reporting regimes and the ability to speak credibly about how mandates differ across jurisdictions

Hands-on experience with supporting the implementation/integration of at least one e-invoicing or tax compliance/or similar platform

Proven ability to problem solve, support with managing budget and risk/quality on projects

Strong stakeholder management both internal and external

Ability to work well with as part of a team, but also able to work independently

Understanding of engagement risk, quality standards and regulatory expectations in a professional services environment

Additional advantageous experience

Professional tax or accounting qualification (e.g. CTA, ACA, ACCA) or equivalent

ERP experience (Oracle, Microsoft Dynamics, SAP S/4HANA) specifically for tax or e-invoicing purposes

Experience with global rollout programmes spanning multiple countries and jurisdictions

Broader indirect tax technology exposure – VAT compliance solutions, Tax engines etc.

Familiarity with data analytics or automation tools (Alteryx, Power BI, SQL, Python) to support e-invoicing data validation and repo