20+
Global
Sectors
Systems
years audit experience
multi-territory engagements
Music • Film • Software • Publishing
royalty audit infrastructure
Integrated royalty intelligence services
A structured framework for financial truth
01
Secure intake and data acquisition
Centralized acquisition of financial and contractual data from across global licensing networks, ensuring complete oversight of the audit population.
02
Contract normalization and rule modeling
Translating complex legal terms into precise, auditable financial logic for our recalculation engines and compliance verification scripts.
03
Royalty recalculation at transaction level
Rebuilding royalty reports from primary transaction data to identify errors in calculation, reporting period shifts, or under-accounting.
04
Exception detection and variance analysis
Applying automated forensics to detect anomalies and contract variances that fall outside established reporting norms or legal bounds.
05
Recovery strategy and negotiation support
Formulating a rigorous evidence-based recovery claim and providing forensic support during the negotiation and settlement phase.
Every engagement is built to withstand operational, legal, and financial scrutiny.
Music rights
Publishing agreements
Deep expertise across rights-driven industries
Film & media licensing
Digital distribution
Software royalties
Multi-territory licensing
Built for sensitive financial and IP data
Secure transfer protocols
NDA-first engagement model
SOC 2 Type II compliant infrastructure
Restricted data access architecture
Representative engagements

Global DSP audits
Identified systemic underreporting applying multi-territory contract terms across millions of user and billions of subscription records for one of the largest music DSP in the world.

Digital platform royalty validation
Leveraged cutting edge technology and AI tools validating distribution accuracy and quantifying risk for collective rights society representing 50m+ works across the globe.
Your Royalty Audit Intelligence Team
Nat Annamalai
Managing Partner
Nat is the Managing Principal of Hexagon Associates LLC, building this successful professional services firm with his team from the ground up. His responsibilities cover marketing, engagement management, advisory and administrative functions. He continues to be retained as a key advisor to content owners, managers, distributors and digital service providers in negotiating agreements, compliance settlements as well as business advisory services. Hexagon represents content owners and managers such as recorded music labels, music publishers and rights and collections agencies in consulting, audit and processing services.
Nat has more than 30 years’ experience in the music and media industry. Before founding Hexagon he spent almost 11 years at The Harry Fox Agency, acting as the lead business person overseeing the collection of royalty revenues, royalty examination settlements, and business development and process resolution with licensees and publishers. Prior to that he has worked with GES Exposition Services, Caribiner International, Inc., Polygram Holding, Inc., and Thorn EMI Inc. Nat graduated from the University of Delaware with a Masters of Business Administration and a Bachelor of Civil Engineering. Nat also completed the Executive Development Program at Northwestern University's Kellogg Graduate School of Management.
John Cedeno
Manager, Audit & Advisory Services
John specializes in music royalty compliance and financial due diligence. With 16+ years across music, publishing, digital, and trademark rights. He leads end-to-end audits for record labels, publishers, and DSPs, recovering underpayments for global rights holders, and executes financial due diligence on multi-million-dollar catalog acquisitions.
Earlier roles at Direct Brands covered music, film, and book royalties. B.A., Accounting — Queens College, CUNY.
Dave Doerner
Head of technology
Dave Doerner is a Data Science, Machine Learning, and AI leader with a decade of experience transforming complex data into advanced analytics, actionable insights, and intelligent solutions. He's led cross-functional teams in developing predictive models, anomaly detection systems, recommender engines, and forecasting frameworks that drive strategy and measurable impact across media and entertainment. From prediction modeling and pattern mining to AI-powered personalization and large-scale audience discovery, Dave specializes in building sophisticated analytical solutions.
His blend of scientific rigor and commercial insight powers the development of data products that scale.
Armen Rostamian
Managing Director
Armen Rostamian leads technology, data, and AI innovation for Hexagon Associates, developing proprietary systems that transform royalty audit workflows into scalable, data-driven processes. His work bridges forensic IP contract analysis, audit operations, data pipelines, and AI rule modeling to improve contract interpretation, data ingestion, anomaly detection, reporting automation, and digital platform audit precision.
Armen’s career began in finance before expanding into analytics, data strategy, and executive leadership. As a senior analytics leader, he has built and led teams across data science, business analytics, and technology modernization, bringing a cross-functional perspective to Hexagon’s proprietary audit systems.
William Daniels
Royalty Analyst
William Daniels is a seasoned royalty analyst with more than 12 years of experience in digital supply chain management, catalog data integration, and mechanical royalty processing. At Hexagon, he applies deep expertise in repertoire systems, royalty engines, asset delivery, and data ingestion.
His prior work leading Bug Digital and supporting BMG catalog integrations gives him strong command of publishing operations and digital rights workflows.
Utkarsh Khandkar
Senior Data Analyst
Senior Data Engineer with 5.5+ years of experience building the data foundations that power modern analytics and AI. Specializes in designing scalable, secure pipelines that turn raw, terabyte-scale data into reliable insights. Passionate about engineering robust cloud platforms, optimizing performance, and enabling teams to unlock the full potential of their data for smarter decisions and intelligent systems.Stanford University.
Vivian Chung
Manager, Operations & Projects
Vivian Chung is the Manager of Operations & Projects at Hexagon Associates, where she has built on more than 20 years of experience in accounting, royalty auditing, and business operations. She leads royalty, digital, and publishing audits while overseeing key administrative and financial functions for the firm.
Prior to joining Hexagon Associates, Vivian spent nearly eight years at EMI Music, holding roles from Senior Royalty Audit Analyst to Manager, Mechanical Licensing. Vivian holds a Master of Business Administration and a Bachelor of Business Administration in Accounting.
Lawrence Offsey, CPA
Compliance Lead
Lawrence Offsey, CPA, brings more than 40+ years of finance, accounting, and operational leadership to Hexagon Associates. He has advised startups through Fortune 200 companies, helping organizations improve profitability, streamline systems, and strengthen financial controls.
A New York-licensed CPA with an MBA in Finance and Taxation, Lawrence adds deep compliance, systems, and operational rigor to royalty audit work.
Evaluate your royalty exposure
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