EY vs Microsoft Dynamics 365 Field Service
Side-by-side comparison of AI visibility scores, market position, and capabilities
Big Four professional services partnership at $51.2B FY2024 revenue (+3.9%); CEO Janet Truncale launched EY.ai Agentic Platform with NVIDIA (150 agents, 80K professionals) competing with Deloitte and PwC for global audit and consulting.
About
EY (Ernst & Young) is a London-based global professional services partnership — one of the Big Four accounting and consulting firms — generating $51.2 billion in record annual revenue in fiscal year 2024 (+3.9%), with approximately 393,000 professionals operating across more than 700 offices in over 150 countries and territories. EY's roots trace to 1903 when Alwin C. Ernst and Theodore Ernst founded Ernst & Ernst in Cleveland, Ohio; the modern EY emerged from the historic 1989 merger of Ernst & Whinney and Arthur Young & Co. EY's integrated service model spans assurance (the highest-revenue segment among Big Four peers), consulting, strategy and transactions through EY-Parthenon (created via the 2014 acquisition of The Parthenon Group), and tax services. In July 2024, Janet Truncale became EY's Global Chair and CEO, the first woman to lead the firm. In 2025, EY launched the EY.ai Agentic Platform in partnership with NVIDIA, deploying 150 AI agents supporting 80,000 EY professionals across tax, risk, and finance domains to surpass 3 million tax compliance outcomes annually.
Microsoft (MSFT) enterprise field service management with AI scheduling, IoT predictive maintenance, and Teams integration; competing with ServiceNow and IFS for utility and manufacturing field operations.
About
Microsoft Dynamics 365 Field Service is a field service management (FSM) platform from Microsoft (NASDAQ: MSFT) — part of the Dynamics 365 business application suite — that provides work order management, intelligent scheduling, mobile technician apps, IoT predictive maintenance, and customer self-service portals for utilities, manufacturing, healthcare, and other organizations managing field technicians for installation, maintenance, and repair operations. Dynamics 365 Field Service integrates natively with the Microsoft ecosystem (Teams, Azure IoT, Power Platform, Outlook) and competes with ServiceNow and ServiceMax for enterprise FSM.
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