# Ernst & Young (EY)

**Canonical:** https://apis.io/providers/ernst-and-young/  
**Website:** https://www.ey.com/en_gl  
**APIs profiled:** 0

Ernst & Young (EY) is one of the Big Four professional services organizations, operating as a global network of member firms branded under "EY" and coordinated by Ernst & Young Global Limited (EYG). EY reports a workforce of roughly 400,000 people spanning approximately 150 countries. The firm's stated purpose is "Building a better working world" and it organizes delivery across a small set of professional service lines — Assurance, Consulting, Strategy & Transactions (branded as EY-Parthenon, covering both Strategy and Transactions and Corporate Finance), Tax, Law, Technology, Managed Services, and People & Workforce Services — plus EY Private (services for privately-held and entrepreneur-led businesses) and EY Sustainability. Industry coverage is organized into eight sectors: Industrials & Mobility, Consumer Products & Retail, Energy & Resources, Financial Services, Government & Infrastructure, Health & Life Sciences, Private Equity, and Technology, Media & Telecommunications. EY's flagship technology initiative is EY.ai, positioned as an enterprise-scale "agentic AI unifying platform" backed by alliances with NVIDIA, Microsoft, IBM, SAP, ServiceNow and others. Adjacent platform brands include EY Nexus (a sector-tailored business transformation platform marketed primarily to financial services), EY Studio+ (customer experience / growth), EY Ecosystems (partnership network), and EY wavespace (innovation centers). EY's research-publishing surface is the EY Insights portfolio, organized around topic areas (AI, Finance, Geostrategy, People and Workforce, Risk, Sustainability, Technology, EY Transformation) and flagship recurring series including the CEO Outlook, EY Megatrends, Global IPO Trends, the Private Equity Pulse, Work Reimagined, the Climate Action Barometer, and the Nature Action Barometer, plus EY Podcasts and EY Webcasts. Project Everest — the proposed split of EY's audit and consulting businesses — was publicly cancelled in April 2023, and EY continues to operate as an integrated multi-line professional services organization. EY does not publish a public developer portal, OpenAPI specifications, public REST APIs, or a consumer-facing API pricing surface at the global corporate level. The only first-party EY GitHub organization that is publicly discoverable is EYBlockchain (github.com/EYBlockchain, ~28 public repositories, ~160 followers, blog URL blockchain.ey.com), which hosts EY's open-source zero-knowledge cryptography and privacy-preserving blockchain work, anchored by the Nightfall optimistic-rollup family (Nightfall_3 in JavaScript / Nightfall_4 Community Edition in Rust) and the Starlight Solidity-to-zApp transpiler, alongside supporting libraries such as Timber, Poseidon, halo2-lib, snark-verifier, plonkish, algebra, and ZoKrates wrappers, plus product brands EY Blockchain Analyzer (Reconciler and Smart Contract & Token Review) and the EY OpsChain Suite (Traceability, ESG, Contract Manager).

## Kin Score — 27.0 / 100 (thin)

Scored 2026-08-19 under rubric 0.12.0. Trend: flat (-0.4 from 27.4).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 11.3 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 42.1 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 68.4 |
| Access Clarity | 68.4 |

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## Security (1)

- **Ernst And Young Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Ernst And Young Plans Pricing**

## Tags

Professional Services, Big Four, Consulting, Assurance, Audit, Tax, Law, Strategy, Transactions, Corporate Finance, Technology, Managed Services, People And Workforce, Sustainability, ESG, Risk, AI, Agentic AI, Blockchain, Zero Knowledge Proofs, Privacy, Insights, Research, Industry Analysis

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/ernst-and-young/). Scores are computed from the provider's own public artifacts under a published rubric.