Izzy Mattis

A highly organised and analytical professional with elite corporate experience gained at a Big Four firm and a top-tier global law firm. Possesses a strong track record in administrative project tracking, data validation, client-facing communication under demanding corporate deadlines. Highly proficient in advanced Excel and Data systems, combining entrepreneurial experience running a business with a high technical foundation (including 6 ICAEW/ACA Exemptions).

Audit Associate - PriceWaterhouseCoopers

(2025-11)

Supported the delivery of world-class audit services by combining financial analysis with a client-first mindset. Focused in the different industries. Worked directly with stakeholders to gather evidence and understand business processes whilst performing collectively with a high-performing engagement team

• Extracting, sampling and reviewing large datasets to perform substantive testing across key financial statement line items including Accounts Payable (AP), Accounts Receivable (AR) and cash balances
• Verifying the accuracy and validity of bank transactions by cross-referencing client ledgers with BACs payments, bank statements and third-party confirmations
• Utilising PwC's audit software and advanced Excel to document test procedures, validate financial data and ensure full compliance with auditing standards
• Coordinating directly with senior client finance individuals to request, retrieve, and clarify financial data, ensuring timely receipt of high-quality audit evidence
• Managing administrative tracking logs, updating outstanding requirement lists, ensuring work papers are audit-ready under the tight "Busy Season" deadlines
• Received an internal "Inspirational Award" for team collaboration, and acted as a Brand Ambassador by leading PwC sessions for Sixth Form students

Founder - GMTA Tutoring

(2025-04)

Launched and scaled a private tutoring practice from the ground up, managing all administration, brand marketing, and client pipelines alongside academic delivery

• Handled 100% of the administrative functions of the business, including client onboarding, calendar scheduling, curriculum development, and resource allocation
• Managed the financial health of the practice by tracking income, processing client invoices
• Designed and maintained student tracking logs to monitor academic growth over time, translating data into progress reports for parents
• Acted as the primary point of contact for parents, managing daily communications, aligning educational strategies with student goals, and ensuring high customer satisfaction
• Developed tailored lesson plans and delivered tutoring for GCSE Mathematics, A-Level Economics and A-Level Politics, resulting in an average 2.5 grade improvement in exam scores

Work Experience - Herbert Smith Freehills

(2023-10)

Gained valuable insight into the operational, legal, and administrative frameworks of a leading global law firm through targeted work experience.

• Assisted with organising and scanning documents, ensuring strict adherence to data confidentiality and filing systems
• Shadowed day-to-day legal and administrative operations, gaining a foundational understanding of cross-bored transactions and client management pipelines
• Observed high-level meetings and practiced corporate communication standards within a fast-paced, prestigious office environment

Bachelor's Degree - Accounting and Business - University of Reading

A-Levels - Economics (A), Politics (A) and Philosophy (C) - Beaumont School, St Albans

GCSEs - Maths, English Literature, English Language and Business (All Grade 7-8) - Loreto College, St Albans