Tax Technology Transformation Senior Manager - Start Up

This firm is setting out to reshape the future of tax advisory — one that's better for clients and better for advisers. It is a new non‑audit tax advisory firm offering the full range of services to large and listed businesses. We take a fresh approach to tax advisory — unafraid to offer bold perspectives on complex issues. We provide clear, actionable advice, demonstrating what's possible when a firm is purpose‑built for today’s environment. Modern, focused, and powered by senior expertise, we are an AI‑native firm, designed from the ground up with technology at the core of how we work — not as an afterthought, but as a foundation. In practice, that means we have no legacy systems to work around, no audit conflicts restricting which tools we can use, and the freedom to curate the best external platforms for every client need. We move quickly, onboarding new technology in weeks, not months or years. We are proud to be part of a Global Network spanning 100 countries. We combine international reach with entrepreneurial agility.

Role Overview

We are seeking a Tax Technology Transformation Manager / Senior Manager to help our clients modernise their tax functions. You will lead the design and delivery of technology‑enabled tax solutions for large and listed businesses, helping them modernise their tax functions in response to increasing regulatory complexity, digital reporting mandates and the increasing strategic use of data. This role combines deep tax technical knowledge with digital capability. You will work closely with clients to reimagine processes, implement automation and data‑driven solutions, and embed AI‑enabled tools into tax operations.

Responsibilities

• Lead tax technology transformation engagements, from diagnostic and roadmap design through to implementation
• Advise clients on modernising tax operating models, governance frameworks and controls
• Design and implement automation solutions across compliance, reporting and data management processes
• Advise on tax data management, including data governance, quality and architecture as the foundations for automation and AI‑enabled workflows
• Support clients with digital tax requirements, including e‑invoicing, real‑time reporting, Making Tax Digital and Pillar Two data readiness
• Apply data analytics and AI tools to enhance tax insights and reporting accuracy
• Guide the selection, implementation and optimisation of tax technology platforms
• Support clients through the organisational change the technology transformation requires, working across tax, finance, IT and data teams
• Lead the firm in designing and adopting technology and AI‑enabled ways of working, championing digital tools that enhance delivery and empower teams
• Collaborate with colleagues across jurisdictions within the Global network
• Build and maintain strong client relationships
• Contribute to business development initiatives and proposal preparation
• Coach and develop junior team members

What will set you apart

• You stay on top of what’s emerging in tax technology and AI, and you don’t just read about it — you use it.
• You’re already applying AI tools in your daily work, and you can see how they change what’s possible for tax functions.
• You have an opinion on how tax technology should work, informed by experience.
• You understand that data quality and architecture are the foundation for any successful transformation, and you’ve advised on data governance in a tax context.
• You’ve evaluated and selected technology solutions based on what’s best for the client, not just what’s available in‑house.
• You lead change, not just implementation, and bring people and organisations with you.
• You think commercially about how technology changes the economics of tax delivery, not just the processes.

Role requirements

• CTA, ACA, CA, ACCA or equivalent professional qualification (or equivalent experience in tax technology transformation)
• Strong understanding of UK corporate tax compliance and reporting processes
• Experience delivering tax technology or finance transformation projects
• Practical knowledge of ERP systems, tax reporting tools and automation technologies (e.g. ONESOURCE, Alteryx, SAP, or similar)
• Understanding of digital tax developments including Pillar Two, BEPS, Making Tax Digital and global minimum tax reporting requirements
• Ability to bridge tax technical expertise with data, systems and process design
• Commercial awareness and ability to deliver practical advice
• Experience managing client relationships and stakeholders across tax, finance and technology functions
• Strong written and verbal communication skills
• A collaborative mindset aligned with our culture

Why Join Us?

• Opportunity to build something new in a high‑growth, technology & AI‑led firm
• Work in a pure advisory environment; free from red‑tape
• Direct exposure to senior leadership and complex client work
• International collaboration across 100+ countries
• A culture built on collaboration, not hierarchy
• Access to best‑in‑class technology and AI across every aspect of how we work
• Flexibility to shape your career path

Equal Opportunity Employer

As an employer, we are committed to ensuring the representation of people from all backgrounds regardless of their gender identity or expression, sexual orientation, race, religion, ethnicity, age, neurodiversity, disability status, or any other aspect which makes them unique. We welcome applicants from all backgrounds to apply and would encourage you to let us know if there are steps we can take to ensure your recruitment process enables you to present yourself in a way that makes you comfortable.