For global consulting firms, professional liability insurance—often called Errors and Omissions (E&O) or Professional Indemnity (PI)—is not just a safety net; it is a prerequisite for high-level international contracts. In 2026, as the consulting landscape faces increased scrutiny over AI implementation and data privacy, choosing a provider with a robust global network is critical.
Here are the top 10 best-rated professional liability insurance providers for global consulting firms in 2026, selected based on financial strength (AM Best ratings), international reach, and industry-specific coverage.
1. Chubb
Widely considered the gold standard for multinational firms, Chubb is renowned for its A++ (Superior) financial rating. Their global platform allows them to issue “admitted” policies in over 50 countries, ensuring compliance with local laws.
- Key Advantage: Exceptional handling of complex, high-limit claims and a deep understanding of management and strategic consulting risks.
- Best For: Large-scale firms requiring seamless coverage across multiple continents.
2. Beazley
A specialist insurer at Lloyd’s of London, Beazley excels in Global Programmes. They offer solutions in over 180 jurisdictions through a unique combination of their own “company paper” and a network of partners.
- Key Advantage: Their “ContractorPro” and “Professional Shield” products are highly flexible, covering breach of contract, defamation, and intellectual property infringement.
- Best For: Tech-focused consultants and firms working on massive infrastructure or digital transformation projects.
3. The Hartford
Ranked as a top provider for consultants by MoneyGeek and Insureon in 2026, The Hartford offers an excellent balance of affordability and specialized coverage. They are particularly strong in the North American market but offer robust international extensions.
- Key Advantage: Integrated Tech E&O bundles that combine professional liability with cyber insurance—essential for modern consultants.
- Best For: Mid-sized firms seeking high customer service ratings and streamlined digital policy management.
4. Hiscox
Hiscox is a global specialist with a focus on “Miscellaneous Professional Liability.” They are a favorite for independent consultants and boutique firms due to their transparent wording and ease of use.
- Key Advantage: Worldwide coverage as long as the claim is filed in specified jurisdictions (e.g., U.S., UK, or Canada), and a “Retroactive Date” feature that covers work performed before the policy started.
- Best For: Independent experts and boutique advisory firms with an international client base.
5. AIG (American International Group)
With a presence in more than 80 countries, AIG remains a powerhouse for “Financial Lines.” Their 2026 Professional Liability Statement Series provides simplified, transparent policy language for complex risks.
- Key Advantage: Access to a vast global claims network and “Crisis Management” support to protect a firm’s reputation during litigation.
- Best For: Firms operating in emerging markets or highly litigious environments.
6. Travelers
Travelers is a leader in professional liability for Design and Technical Consultants. They offer a modular approach, allowing firms to add specific coverages like “Kidnap and Ransom” or “Identity Fraud” for consultants traveling to high-risk areas.
- Key Advantage: Dedicated industry-specific underwriters who understand the nuance of architectural, engineering, and environmental consulting.
- Best For: Technical and engineering consulting firms.
7. AXA XL
The commercial insurance arm of AXA, AXA XL is designed for the world’s most complex risks. They provide high-capacity limits and have one of the most sophisticated risk-engineering teams in the industry.
- Key Advantage: Strong emphasis on Risk Prevention Services, offering workshops and tools to help consulting firms avoid claims before they happen.
- Best For: Global firms looking for high liability limits (up to $50M+) and proactive risk management.
8. Allianz Commercial
Allianz is a dominant force in Europe and Asia. In 2026, their global consulting policies are highly rated for their “Duty to Defend” provisions, ensuring that the insurer manages the legal defense from day one.
- Key Advantage: Expertise in navigating European regulatory environments (like GDPR) and Asian market complexities.
- Best For: Firms with heavy operations in the EU and APAC regions.
9. Liberty Mutual
Liberty Mutual’s Ironshore brand is a top-tier choice for professional liability. They specialize in “excess” layers, providing additional protection when a firm’s primary insurance limit is exhausted.
- Key Advantage: Highly customizable “Specialty” policies that can cover niche consulting areas like forensic accounting or aviation consulting.
- Best For: Large firms needing multi-layered insurance structures.
10. Berkshire Hathaway Specialty Insurance (BHSI)
Led by Warren Buffett’s philosophy of long-term stability, BHSI has rapidly become a favorite for its massive “Balance Sheet” strength and straightforward claims philosophy.
- Key Advantage: They often provide non-cancellable policy terms and clear, concise contracts that avoid “fine print” exclusions.
- Best For: Firms seeking the ultimate financial security and a no-nonsense claims process.
Key Comparison Table for 2026
| Provider | AM Best Rating | Primary Strength | Ideal Firm Size |
| Chubb | A++ | Global Compliance | Enterprise |
| Beazley | A | Jurisdiction Reach | Large / Specialized |
| The Hartford | A+ | Tech E&O Bundles | Mid-sized |
| Hiscox | A | Simple/Broad Terms | Boutique / Independent |
| AIG | A | Reputation Protection | Global / Emerging Markets |
Conclusion
Selecting the right provider in 2026 requires looking beyond the premium cost. For global firms, the ability of an insurer to provide local admitted paper (policies that follow local laws) and cyber-integrated E&O is paramount.