
Welcome to GMK Advisory
Bookkeeping & financial reporting solutions with US GAAP expertise.
About GMK Advisory
GMK Advisory has deep expertise in public accounting and financial reporting, including extensive Big Four experience in the US and UK. Our mission is to empower growing businesses with expert, reliable, and personalized financial reporting solutions that ensure accuracy, compliance, and audit readiness. We aim to bridge the gap between bookkeeping and high-level technical accounting, giving clients the confidence and clarity, they need to make informed decisions and grow sustainably.


Our Services

Bookkeeping Compliance
Ensure Compliance, Accuracy and Audit Readiness
We provide end-to-end financial reporting and accounting services, including preparation of financial statements and reports, ledger management, account reconciliations, financial record review and cleanup, investor materials, audit support, and compliance checks, ensuring accuracy, transparency, and regulatory adherence for your business.
Technical Accounting
Specialist US GAAP Compliance & Advisory
Complex Accounting, Simplified
We provide technical accounting advisory, guiding clients on complex transactions, implementing UK GAAP and IFRS standards, developing accounting policies, and supporting external audits with clear documentation. We also provide specialist US GAAP advisory services for UK-based companies, helping them navigate expansion into the US while managing cross-border financial reporting, compliance, and complex accounting challenges.


Internal Controls
Strengthening Controls, Reducing Risk
Our Internal Control Consultation services are designed to enhance your business's operational effectiveness and ensure compliance. We perform thorough risk assessments, conduct internal control reviews, and create detailed business process narratives and flowcharts. By identifying potential risks and designing tailored internal controls, we prepare risk control matrices and conduct annual control testing to safeguard your assets and streamline processes, allowing you to focus on growth and innovation.
Get in Touch
Contact Us
Feel free to reach out to GMK Advisory for any inquiries or to schedule a consultation. Our team is dedicated to providing expert bookkeeping services and ensuring compliance with the highest standards.
