Your Full C-Suite, On Demand. Powered by the Unison System.

ATG Advisors is redefining what it means to be a CPA firm. Instead of limiting clients to traditional back-office services, we step into the role of executive-level advisors—your Adjunct CFO, COO, CEO, CTO, or CMO—powered by our proprietary Unison System. With offices in Charlotte and Grenada and clients worldwide, we deliver more than accounting—we deliver strategy, leadership, and growth.

Built for Collaboration. Driven by Results.
ATG Advisors gives accounting firms, consultants, and business networks instant access to executive-level services, scalable systems, and specialized expertise.

Explore the Unison System

✔ Client Onboarding & Intake

✔ Secure Collaboration Hub

✔ Advisory Service Funnels

✔ Client-Facing Planning Tools

✔ Marketing & Growth Automation

Adjunct Executive Services

Compliance + Risk Advisory

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At ATG Advisors, we go beyond traditional compliance by integrating tax strategy, government program expertise, and our proprietary Business Continuity & Compliance Risk Assessment (BCCRA) Program. Designed for healthcare, nonprofits, and regulated industries, BCCRA combines financial oversight with cybersecurity risk management to provide a comprehensive, technology-driven solution. Our multidisciplinary team ensures your business meets evolving regulatory demands while strengthening operational resilience and protecting your reputation.

Marketing Expertise - Case Studies

Exciting stories coming soon.

ATG Marketing Results

Our executive‐level marketing leadership at ATG Advisors brings senior strategic direction through an “Adjunct CMO” model, delivering high‑caliber marketing oversight without the cost of a full‑time hire.

See why our clients love us!

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Stronger Together—Let’s Build Something Bigger

We actively seek forward-thinking global networks, firms, and alliances to co-create solutions, expand markets, and amplify impact. Whether you're a consultancy, tech partner, or growth-stage business, we want to hear from you.

You’ve made it this far – let’s get started today.
Whether you need strategic tax planning in Charlotte, a business advisory firm with global reach, or a partner who can scale your compliance and marketing systems, ATG Advisors brings together executive insight, technology, and heart. We don’t just advise—we integrate as part of your leadership team, helping you anticipate risks, seize opportunities, and grow with confidence.
Advisory, Simplified. Growth, Amplified.

Get In Touch With ATG Advisors

You can count on us for professional, timely, and reliable tax and accounting services. If you’re ready to get started, just fill out this form and we’ll be in touch.

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