Data-Driven Solutions for Growth & Resilience

We specialize in distilling complex challenges and opportunities into a path to profitability.

Proven Expertise

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Data-Driven Strategy

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Solutions Based

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Proven Expertise - Data-Driven Strategy - Solutions Based -

About Us

Q5 Advisory is a consulting firm specializing in data-driven business transformation. Our mission is to help companies navigate complex challenges by leveraging analytics, strategic foresight, and operational efficiency.


  • Founding Partner

    With over twenty years of experience in the luxury retail and real estate investment trust (REIT) sectors, Quentin has held significant senior executive roles overseeing enterprise risk management and corporate public relations. 

    Throughout his career, he has worked at the confluence of strategic corporate goals and public communications, CEO succession planning and implementation, crisis management, brand management, corporate communications, Disaster Recovery, and Business Continuity.  


  • Managing Partner

    Anna Pantazakos is an accomplished business leader with over 25 years of experience in marketing, branding, partnerships, retail strategy, data analytics, and business development. As Managing Partner at Q5 Advisory, she leverages her expertise to deliver data-driven solutions that drive revenue growth and optimize operations. Previously, Anna held senior leadership roles at a major REIT, where she led the development of advanced digital analytics platforms that enhanced consumer engagement and improved business performance. Her deep knowledge of market trends, consumer behavior, and data insights has made her a trusted advisor for businesses seeking to maximize long-term growth. Anna holds a certification in Human Subjects Protections (CITI), Biomedical, Social and Behavioral Research.

Let’s transform and optimize your business with innovative strategies and actionable insights.

Our mission is to help companies navigate complex challenges by leveraging analytics, strategic foresight, and operational efficiency.

Client Success Stories

  • Retail Analytics Overhaul

    ncreased revenue by 38% through data-driven market expansion.

  • Brand Repositioning Strategy

    Strengthened market share by 27% with refined messaging and customer engagement.

  • Leadership Transition Strategy

    Ensured a smooth CEO succession, strengthening business stability.

Turn Data Into Decisions.

We’re all about getting things done.

At Q5 Advisory, we go  beyond consulting – we deliver results. We specialize in distilling complex challenges and opportunities into a path to profitability. leveraging data analytics, brand strategy, and operational excellence to drive sustainable business success.