Senior Consultant, AI Advisor - Tax Technology and Transformation (AI & Data) - London

EY; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

EY's Tax Technology and Transformation team in London is seeking a Senior Consultant to build data and AI solutions for tax clients, delivering data pipelines, models and AI use cases under senior guidance.

You will transform complex tax datasets, contribute to design, testing and documentation, and collaborate with client teams and EY colleagues while staying current with AI and data technologies.

Qualifications

• Two to five years' experience delivering data, analytics or AI work.
• Strong technical skills in SQL and Python.
• Experience with AI/LLM tools and analytics platforms (Power BI or Alteryx).
• Experience with low-code tools like Microsoft Copilot Studio and Power Platform.
• Excellent written and verbal communication.
• Degree in a numerate, computing, engineering or related discipline.

Responsibilities

• Build AI and data solutions for financial services tax clients.
• Analyse and transform complex, often unstructured tax datasets into AI-ready data.
• Contribute to solution design, testing, documentation and QA.
• Engage directly with client teams and EY colleagues.
• Supervise and support analysts and interns.
• Stay current with developments in AI, data engineering and tax technology.

Skills

SQL

Python

Power BI

Alteryx

Copilot Studio

Power Platform

Data analytics

AI

Communication

Problem solving

Teamwork

Learning agility

Education

Numerate degree

Engineering degree

Related discipline

Tools

Copilot Studio

Power Platform

Microsoft Fabric

Cloud data services

Job description

Senior Consultant, AI Advisor - Tax Technology and Transformation (AI & Data) - London

Location: London

Other locations: Primary Location Only

Date: Aug 14, 2026

Requisition ID: 1722345

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

The opportunity

EY Tax is a market leader, renowned for delivering sustainable growth and empowering our people to shape their own careers. Our diverse, collaborative team advises on high-profile transactions, combining technical expertise, innovation and a genuine focus on continuous development. Join us to work on challenging, multi-country projects in a supportive, dynamic environment where your impact truly matters.

Our Tax Technology and Transformation (TTT) team sits at the heart of EY’s Financial Services Tax practice, helping banks, insurers and asset managers reinvent how their tax and finance functions operate through data, automation and artificial intelligence. As a Senior, you will be hands‑on – building the dataandAI solutions, including generative and agentic AI, that modernise our clients’ tax compliance, reporting and advisory – while growing your technical and client skills.

Your key responsibilities

• Build and deliver AI and data solutions for financial services tax clients – developing data pipelines, models, automations and generative AI use cases under the direction of Managers.
• Analyse, cleanse and transform complex, often unstructured taxdatasets into well‑structured, AI-ready data.
• Contribute to solution design, testing, documentation and quality assurance to make sure our output is accurate, robust and high quality.
• Engage directly with client teams and EY colleagues, building relationships and communicating your findings and recommendations clearly.
• Supervise and support analysts and interns, sharing knowledge and reviewing their work.
• Stay current with developments in AI, data engineering and tax technology, continually developing your own skills.

Skills and attributes for success

What we look for

• Some experience (typically two to five years) delivering data, analytics or AI work, with a strong interest in tax, technology and transformation.
• Solid hands‑on technical skills – for example SQL and Python, data manipulation and engineering, and exposure to generative AI/LLM tools, machine learning or analytics platforms such as Power BI or Alteryx.
• Experience with using low code applications such as Microsoft Copilot Studio and Power Platform.
• Strong analytical and problem‑solving skills, with attention to detail and a commitment to accurate, high‑quality work.
• Excellent written and verbal communication skills and the ability to work effectively as part of a team.
• A willingness to learn quickly and adapt in a fast‑changing AI and data environment.
• A degree in a numerate, computing, engineering or related discipline, or equivalent practical experience.

Ideally, you’ll also have

• Exposure to taxdata, or to enterprise tax and data technology (the Microsoft Power Platform, Microsoft Fabric or cloud data services).
• Experience of working in an agile delivery environment, or relevant cloud, data or AI certifications.

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi‑disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients.