What Are Big 4 Companies? Meaning, Firms & Careers

What Are Big 4 Companies? Meaning, Firms & Careers

When you hear about top accounting or finance jobs, one term always stands out — “Big 4 Companies.” These firms are globally recognised leaders in audit, tax, consulting, and advisory services, known for shaping the financial landscape of major corporations.
If you’re a commerce or finance student dreaming of a global career, understanding what the Big 4 companies are, their services, hiring process, and career potential can be a game-changer.
Let’s explore everything you need to know about Deloitte, PwC, EY, and KPMG.

What Are Big 4 Companies?

The Big 4 Companies refer to the four largest professional-services firms in the world providing audit, assurance, taxation, consulting, and financial-advisory services.
They dominate the global accounting market and serve more than 80 % of Fortune 500 companies.

The Big 4 Firms Include:

  • Deloitte

  • PricewaterhouseCoopers (PwC)

  • Ernst & Young (EY)

  • Klynveld Peat Marwick Goerdeler (KPMG)

These companies are not just accounting firms — they’re career-launching powerhouses for finance, accounting, and business-management professionals.
Learn more about their impact in Big Four Accounting Firms – The Ultimate List.

History of the Big 4

Original Big 8 Firms

Merged Into

Current Big 4

Arthur Andersen

Dissolved post-Enron

Deloitte Haskins & Sells

+ Touche Ross

Deloitte

Price Waterhouse

+ Coopers & Lybrand

PwC

Ernst & Whinney

+ Arthur Young

EY

Peat Marwick Mitchell

+ Klynveld Main Goerdeler

KPMG

💡 Explore related ethics lessons in Famous Financial Scams in India and how they reshaped auditing norms.

List of Big 4 Companies & Their Details

Firm

Founded

Headquarters

Employees (Approx.)

Core Services

Deloitte

1845 (London)

New York, USA

450 000 +

Audit, Tax, Consulting, Risk Advisory

PwC

1849 (London)

London, UK

375 000 +

Assurance, Consulting, Deals, Tax

EY

1989 (London)

London, UK

365 000 +

Audit, Advisory, Tax, Tech Consulting

KPMG

1987 (Netherlands)

Amstelveen, NL

270 000 +

Audit, Tax, Legal, Advisory

Services Offered by Big 4 Companies

Service Area

Description

Example

Audit & Assurance

Examining financial statements for accuracy and compliance.

Auditing Infosys or Reliance Industries

Tax Services

Tax planning and compliance.

Designing strategies for MNCs

Consulting

Business-strategy and technology advice.

Helping startups implement ERP systems

Advisory

Mergers, acquisitions, and risk management.

Advising listed-company mergers

Legal Services

Compliance and business structuring.

Drafting global partnership agreements

Learn how certifications like CMA USA and ACCA enhance eligibility for such roles.

Why Are Big 4 Companies So Popular?

1️⃣ Global Brand Recognition

Trusted by Fortune 500 companies worldwide — their name adds instant credibility to your CV.

2️⃣ Diverse Career Opportunities

Audit, consulting, taxation, technology, and advisory — opportunities across industries and countries.

3️⃣ Learning & Skill Development

Intensive training programs + support for CMA USA, CPA USA, ACCA and other global courses.

4️⃣ High Salary & Growth

Attractive packages, clear career paths, and fast promotions — learn how NorthStar Academy placements prepare students for Big 4 interviews.

Big 4 Salary in India (2025 Estimates)

Position

Average Salary (INR per annum)

Experience Level

Audit Associate

₹ 5–7 LPA

Entry

Senior Analyst

₹ 8–12 LPA

2–4 Years

Assistant Manager

₹ 12–18 LPA

4–6 Years

Manager

₹ 18–28 LPA

6–10 Years

Partner

₹ 60 LPA – ₹ 1.5 Cr +

15 + Years

💡 Salaries depend on certifications — see CMA USA Salary Guide 2025 and ACCA Career Scope 2025.

Hiring Process in Big 4 Companies

Stage

Details

1. Online Application

Apply via LinkedIn or campus recruitment.

2. Aptitude / Technical Test

Assesses analytical & accounting skills.

3. HR Interview

Tests communication and personality fit.

4. Technical Interview

Based on accounting / tax concepts.

5. Final Round

Leadership / Partner interaction.


✅ Tip: Global certifications like US CMA, CPA and ACCA greatly boost selection chances.

Example: Big 4 in Real Business

  • Deloitte audits Amazon and Microsoft.

  • PwC works with Tata Motors and Google.

  • EY helped restructure Vodafone’s tax strategy.

  • KPMG advises banks and governments.

For real-world exposure, read US CMA Placement Success Stories

Skills Required to Work in Big 4

  • Accounting & analytical skills

  • Advanced Excel and financial modelling

  • Communication & presentation

  • Audit software ( CaseWare, SAP )

  • Time management under pressure

Global credentials like ACCA or CMA USA

Top Courses to Get into Big 4 Companies

Course

Duration

Recognition

Ideal For

US CMA

6–9 Months

Global

Finance & Cost Management

ACCA (UK)

2–3 Years

Global

Audit & Financial Accounting

CPA (USA)

12–18 Months

Global

Accounting & Assurance

CA (India)

4–5 Years

National

Statutory Audit, Tax

MBA (Finance)

2 Years

Global

Advisory & Consulting

📘 Compare programs in CPA vs CMA vs ACCA and choose your fit.

Benefits of Working in Big 4

1️⃣ Global Exposure: Clients across continents.
2️⃣ Structured Growth: Clear promotion path.
3️⃣ Professional Development: Support for certifications.
4️⃣ International Mobility: Transfers to global offices.
5️⃣ Strong Network: Build valuable connections.

Learn how NorthStar Academy supports Big 4 placements for students.

Challenges of Working in Big 4

  • Long working hours and tight deadlines

  • High pressure and competition

  • Demanding clients

  • Occasional work-life imbalance

These experiences build resilience and industry-ready skills.
Check related insights in Work-Life Balance in Finance Careers.

Big 4 Offices in India

City

Firms Operating

Mumbai

Deloitte, PwC, EY, KPMG

Bengaluru

Deloitte, PwC, EY, KPMG

Delhi NCR

PwC, EY, Deloitte

Chennai

EY, KPMG, Deloitte

Hyderabad

Deloitte, PwC

Pune

KPMG, EY, PwC


Explore Best CMA USA Coaching in Bangalore if you’re based in South India.

Conclusion

The Big 4 Companies — Deloitte, PwC, EY, and KPMG — are more than just accounting firms.
They represent global excellence, ethics, and career growth in finance.
Whether you aim to be an auditor, consultant, or financial analyst, starting in a Big 4 firm lays a strong foundation for a global career.
If you’re a commerce student or finance aspirant, pursuing global courses like CMA USA, ACCA, or CPA USA from NorthStar Academy can fast-track your entry into these firms.

👉 Kickstart Your Big 4 Career Today!
📞 WhatsApp “Hi” to +91 8147470505 for Expert Guidance from NorthStar Academy.

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