Assistant Manager – Indirect Tax Transformation (E-Invoicing)

Grant Thornton; Reading; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

Grant Thornton in the UK is seeking an Assistant Manager for Indirect Tax Transformation with a primary focus on e-invoicing. The role is client-facing and involves supporting global e-invoicing projects from design through go-live within our Digital Tax Consulting team.

The position is hybrid with locations in London/Reading/Bristol, requiring strong tax technology experience and ability to work across jurisdictions while building client relationships.

Qualifications

• Experience delivering tax technology or e-invoicing projects in consulting, professional services, or in-house tax tech.
• Knowledge of e-invoicing and e-reporting regimes across jurisdictions.
• Hands-on experience with implementing/integrating at least one e-invoicing or tax platform.

Responsibilities

• Support end-to-end delivery of e-invoicing projects, managing scope, budget, risk, and quality.
• Assist senior team to maintain alliances with third-party technology providers.
• Interpret country-specific e-invoicing mandates and translate into delivery actions for clients.
• Support engagement risk and quality: apply policies, document, ensure standards.
• Identify new e-invoicing opportunities and contribute to proposals and bids.
• Strengthen practice by refining delivery methods and building reusable accelerators.

Skills

Tax tech delivery

E-invoicing implementation

Stakeholder mgmt

Budget & risk mgmt

Team collaboration

Independent work

Education

CTA/ACA/ACCA or equiv.

Tools

Oracle

Microsoft Dynamics

SAP S/4HANA

Alteryx

Power BI

SQL

Python

Job description

Job Description

Assistant Manager – Indirect tax transformation (E-invoicing)

Location: London/Reading/Bristol (hybrid)

Level: AssistantManager

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