Top 10 Biggest Companies in the World

Darshit Maksaana
Darshit Maksaana

Seniors Software Engineering

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Last Updated10/3/2025
Top 10 Biggest Companies in the World

Discover the largest global companies dominating the market ranked by revenue, market value, and influence.

Top 10 Biggest Companies in the World — Who’s Leading & Why

Introduction

The global economy is shaped by a small group of corporate giants whose revenues, market value, and global influence dwarf those of most nations. A blog about the Top 10 Biggest Companies in the World is an evergreen piece that attracts broad interest — from students and jobseekers to investors and business enthusiasts. This article presents a researched overview of the biggest companies in 2025, explains the metrics used to rank them, and provides official websites and careers pages so readers can explore opportunities.

How We Define "Biggest"

“Biggest” can be measured in multiple ways. For this article we consider a blend of the following metrics:

  • Revenue (annual turnover) — total money a company brings in during a year.
  • Market capitalization — public market value (shares outstanding × share price).
  • Net profit — bottom-line earnings after expenses.
  • Employee count & global footprint — how many people and countries the company operates in.
  • Strategic influence / industry leadership — often qualitative but important.

Sources consulted include Fortune Global 500, Forbes Global 2000, company annual reports, and reputable financial media. Exact rankings may vary slightly by metric; below we list the ten companies that consistently appear near the top across multiple authoritative lists.

Top 10 Biggest Companies in the World

Note: Company descriptions are written to be evergreen; readers should check the linked official pages for the latest numbers, vacancies, and reports.
  1. Walmart
  2. Amazon
  3. Saudi Aramco
  4. State Grid Corporation of China (State Grid)
    • Official site: http://www.sgcc.com.cn (or stategrid.com.cn)
    • Why it’s huge: China’s national transmission and distribution utility — massive assets, revenue, and infrastructure.
  5. China National Petroleum Corporation (CNPC) / PetroChina
  6. UnitedHealth Group
  7. Apple
  8. Berkshire Hathaway
    • Official website: https://www.berkshirehathaway.com
    • Why it’s huge: Diversified holding company with major insurance, energy, transportation, and manufacturing assets.
  9. CVS Health
  10. Alphabet (Google’s parent company)

Honorable Mentions

Companies that frequently appear near the top across different rankings include Microsoft, ExxonMobil, Meta Platforms (Facebook), Tencent, Toyota, Volkswagen Group, and Shell. Rankings can vary depending on whether a list uses revenue, market cap, or other criteria.

Why These Companies Stay on Top — Common Success Factors

  • Scale & economies of scale: Large operations reduce per-unit cost and allow market leverage.
  • Diversification: Multiple business units reduce reliance on any single revenue stream.
  • Investment in technology & R&D: Continuously innovating to sustain competitive advantage.
  • Global supply chains & distribution networks: Broader reach increases market access.
  • Brand & ecosystem lock-in: Platforms or product ecosystems keep customers engaged.

These elements help corporations weather downturns and maintain growth trajectories.

Want to Work at a Global Giant? How to Prepare

Landing a job at one of these firms is competitive — here’s a step-by-step approach:

  1. Research the company & role carefully. Understand products, culture, and hiring process.
  2. Tailor your resume. Match keywords from the job description and highlight measurable achievements.
  3. Use the company careers page & official job postings. Links are included above.
  4. Network and get referrals. Connections inside a company can greatly increase your chances.
  5. Prepare for company-specific interviews. Tech giants have coding/algorithm rounds; consultancies test case interviews; retail/operations roles focus on logistics scenarios.
  6. Practice behavioral interview answers using the STAR method (Situation, Task, Action, Result).

Quick Reference: Company Websites & Career Pages

Sources & Further Reading

To keep the list accurate and current, consult the following resources when updating:

  • Fortune Global 500 (annual revenue-based list)
  • Forbes Global 2000
  • Company annual reports & investor relations pages
  • Financial press (Bloomberg, Financial Times, Reuters)

Conclusion & Free Resume Builder

A blog on the Top 10 Biggest Companies in the World is an excellent piece for attracting traffic, offering value, and helping readers who want to learn about global business leaders or pursue careers with them.

If you’re preparing to apply to any of these companies, a standout resume is essential — you can create a professional resume quickly using our free resume builder: https://www.resumeily.com