A new wave of accountants.

Tenth Avenue Group goes beyond technical expertise to help you achieve your business objectives. We were founded by an entrepreneur, and designed for entrepreneurs, with the goal to provide more value than a typical CPA. Business owners face countless financial and operational challenges that fall beyond their reach. It’s important to have support to navigate these waters.

We are here to help.

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Our Approach

As advocates for our clients, Tenth Avenue Group prides itself on understanding each client and their specific needs. Fully cloud-based, we provide business owners with a strategic partner to help execute their objectives.

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We listen, learn, and take time to understand each client’s needs.

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We find better ways to do things. We implement new technologies, streamline processes, and create efficiencies.



We empower our clients. We provide them with the information and knowledge needed to unlock actionable insights.

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We take pride in growing with our clients. We deliver the resources and support they need to scale and grow their businesses.


  • Ryan Herbert portrait

    Ryan Herbert

    Founder and CEO

    CPA, entrepreneur, & commercial real estate expert.

    Ryan is the firm’s founder and CEO. He started Tenth Avenue Group in 2021 with the idea that small to medium-sized companies could operate more efficiently by outsourcing their accounting and HR administration functions. Additionally, they could benefit from working with a strategic partner to provide CFO-level support and advisory services. Prior to Tenth Avenue Group, Ryan was the COO of Thorofare Capital, a firm he helped launch in 2010, which is now a nationally recognized commercial real estate investment firm. In 2019, he was nominated for the Los Angeles Business Journal’s Rising Star CFO Award. Ryan went to Loyola High School and graduated from the University of Southern California with a BS in Accounting. He lives in Pacific Palisades with his wife, two sons, and dog.

  • Lisa Sergi

    Lisa Sergi

    Business Advisor

    Complex transactions & operations.

    Lisa Sergi provides tax and business advice relating to complex business transactions and business operations, including partnership formation and restructuring, mergers and acquisitions, real estate transactions, REIT formation, and the RTO and IPO process. She has more than 30 years of experience in business and tax consulting.

    In her most recent role, she served as General Counsel and acting CEO of PAX Labs, where she advised the company on a potential go public transaction and on general tax, business, and regulatory issues. Prior to PAX LD served as General Counsel and a Board Member of MedMen, where she led the legal team, helped take the company public on the Canadian Stock Exchange in 2018, and negotiated M&A agreements. Prior to MedMen, Ms. Trager was a partner at global consulting firms Deloitte and Rothstein Kass, and practiced law at O’Melveny & Myers, an international law firm. She is a legal expert in the investment management field and holds a Juris Doctorate from UCLA School of Law.

  • Geoffrey Garces

    Geoffrey Garces

    IT Professional

    Corporate IT solutions.

    Geoffrey Garces is an experienced IT professional who has managed corporate IT infrastructures for almost a decade. Geoff strives to provide solutions that help people and businesses unlock their full potential. He is committed to delivering excellent results by implementing best-in-class practices, user-friendly processes, and most importantly, creating a safe and secure environment.

What We Do

We partner with you to manage your accounting, tax, and finance operations.

Accounting for You

Our Clients

We value connecting with our clients, supporting their growth, and customizing their service to exceed their expectations.

Deep Industry Expertise