Audit & Assurance Services

Audit Beyond the Numbers. Assurance That Builds Confidence.

At Mercurius, we provide professional audit and assurance services that offer more than just regulatory compliance. Our audit and assurance solutions help companies gain clear insights, mitigate risk, and build investor confidence—delivered with precision by experts who know Indian and international standards inside out.

Our Audit And Assurance Services

Guarantee the accuracy and compliance of your India business formation with our comprehensive audit services, providing you with a solid and reliable foundation.

  • Statutory Audit
  • Audit Preparation Services
  • Audit/Review as per SEBI/SEC listing guideline
  • PCAOB Audit (Including S1, F1, 10-K, 10-Q etc.)
  • Internal/Project/Concurrent Audit
  • Tax Audit
  • Stock Audit
  • Broker Dealer Audit Services
  • Forensic/Risk Audit
  • Proprietary/Management Process/Special Purpose Audit
  • SOX Compliances
  • Public Companies Audit
  • Private Companies Audit
  • Fund Audit 
  • 401(k) Audit 
  • Audit and Attestation

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audit assurance

Our Approach

Our approach in audit and assurance involves a deep understanding of the client’s business, integrating rigorous risk management as well as assessment.

Our primary focus areas are:
  • Efficiency in compliance
  • Consistent focus on pre-determined timelines
  • Robust risk assessment and diagnostic process
  • Tailored audit and assurance procedures

Our Team of Experts

  • Our team of partners has extensive experience and proficiently addresses all audit and assurance regulatory reporting requirements
  • The integrated team includes well-versed in a specific industry
  • We have of team of certified professionals which includes CAs, CPAs, ACCAS, finance experts 
  • Our partners from ‘Big Four’ backgrounds provide there 20+ years of industry experience with client base across industries.
audit and assurance

Why Global Businesses Trust Mercurius

From audit and assurance, we handle the groundwork—so you can focus on growth.
With deep regulatory knowledge and hands-on support, we make your India entry smooth and stress-free.

Timely, No-Nonsense Delivery​

We respect your timelines. Our audit process is streamlined, transparent, and delivered on schedule—without surprises.

Insight-Driven Audits

We don’t just check boxes—we uncover opportunities. Our approach delivers clarity, risk insights, and financial accuracy that fuel strategic decisions.

SEC & Compliance Ready

Need SEC audit services or preparing for a funding round? We’re seasoned in supporting due diligence, investor audits, and regulated reporting.

Expertise Across Borders

Our auditors understand the nuances of Indian and international standards (GAAP, IFRS, IND AS), making us the ideal partner for cross-border businesses.

Trusted by Founders & CFOs

From startups to international subsidiaries, we’re the audit and assurance service provider to foreign companies who can rely on us for accuracy and peace of mind.

Always Aligned with You

Need reports for your home country and Indian regulators? We speak both languages—financially and culturally.

Want reliable audit and assurance solution?

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Clients We’ve Served

Frequently Asked Questions

The duration of an audit depends on various factors such as the size of business, complexity of your financial record and the type of audit being conducted.
Efficient record- keeping and cooperation with auditors can help speed up the process.

Although the requirements depend from company to company but typically ,an organization need to provide the following key information:

  • Financial statements
  • General Ledger
  • Invoice & Receipts
  • Tax Returns
  • Payroll records
  • Contracts & Agreements
  • Fixed Asset Register
  • Accounts Payable & Receivable
  • Internal Policies & Compliance Documents

Audit Preparation Services help businesses get ready for an audit by organizing financial records, ensuring compliance and addressing potential issues.

Common documents include:

  • Pre-audit review
  • Document Compilation
  • Compliance Checks
  • Reconciliations
  • Internal Controls Review
  • Liaison with Auditors
  • Post-Audit Support
  • PAN & TAN registration
  • GST registration (if applicable)
  • Opening a bank account in India
  • Accounting & bookkeeping
  • Annual filings, ROC returns, and tax compliance
    Mercurius offers complete post-incorporation support.
  • Common documents include:

    •Financial Statements– Balance Sheet, Profit & Loss, Cash Flow, etc.
    •General Ledger & Trial Balance– Detailed records of transactions.
    •Bank Statements & Reconciliations– Proof of financial transactions.
    •Invoices & Receipts– Sales, purchases, and expense documentation.
    •Tax Filings & GST Returns– Tax payments, TDS, and compliance reports.
    •Payroll Records– Employee salaries, PF, and other deductions.
    •Legal Agreements & Contracts– Leases, vendor contracts, MoUs.
    •Board Resolutions & Corporate Filings– Key business decisions and compliance repo

Precision, cross-border expertise, and end-to-end support—everything a global company needs to stay compliant and informed in India.

Yes. We support US GAAP, IFRS, and Indian Accounting Standards as per your reporting requirements.

Our audits cover statutory, internal, and tax audits, including risk analysis, control review, and financial reporting.

Depending on the complexity, audits typically take 3–6 weeks from scope finalization to reporting.

Absolutely. We specialize in compliance audits, especially for foreign-owned businesses in India.

Yes, we provide deep-dive forensic and due diligence audits for M&A, investment, and fraud detection.

Yes, we do provide comprehensive assistance in broker dealer audits. Our services cover the full audit process, including compliance with regulatory requirements related to broker dealer in U.S., financial statement review, internal control assessments, and ensuring adherence to industry standards such as those mandated by FINRA and the SEC.