Founding CPA Partner

Job Description

Opportunity : Founding Partner | 51% Ownership | Equity Opportunity

Build your own CPA firm without starting from scratch. Sandbox Holdings, Inc. is seeking a strategic and entrepreneurial Certified Public Accountant to co-found a specialized accounting firm focused on contractors and home service businesses. You'll own 51% of the firm from day one, with a built-in book of business and operational backing from a high-growth platform.

About Sandbox Holdings, Inc.

Sandbox Holdings is the parent company behind a portfolio of 9 operating companies that serve residential and commercial construction services. With over $20 million under management, Sandbox delivers back-office services (marketing, HR, IT, finance, insurance, etc.) that allow contractors to focus on doing great work while we handle the rest.

We're building a vertically integrated ecosystem that supports every stage of a contractor's growth. Sandbox is acquiring and helping our companies scale toward $100 million+ in managed business, the time is right to establish a dedicated CPA firm to serve both our internal companies and future Sandbox members.

Your Role : Strategic CPA & Fractional / Consulting CFO

As Founding Partner, you won't just do tax prep—you'll be a key strategic leader in Sandbox's growth story. Responsibilities include :

Tax Preparation & Compliance : Lead and oversee tax filings for Sandbox's operating companies

Strategic Planning : Collaborate with founders and general managers on tax strategy, multi-entity structure, and long-term planning

Operational Finance : Provide fractional CFO support to high-growth businesses, helping them understand cost drivers, cash flow, and margins

M&A and Structuring : Advise on acquisitions, entity structuring, and integration planning across the portfolio

Firm Development : Build the CPA firm's systems, staff, and client service model to scale with demand

What We\'re Looking For

Licensed CPA (California) with 5–10+ years' experience

Strong background in corporate tax, financial strategy, and multi-entity structures

Bonus points for experience in

Construction or service-based businesses

M&A or acquisition advisory

Partnership tax or entity restructuring

Ability to lead, mentor, and build a firm around your vision

Entrepreneurial mindset—this is your firm to run

Ownership & Compliance Structure

This new CPA firm will be formed as a California Professional Corporation (PC) or LLP

You will hold 51% ownership and full control of professional services

Sandbox Holdings, Inc. will own 49% as a non-licensed strategic partner and will be billed as a client for services. This ensures full compliance with California Board of Accountancy rules while enabling seamless support to the Sandbox ecosystem

You'll also serve a growing pool of prospective Sandbox clients—contractors actively entering our onboarding pipeline

What We Offer

A clear path to ownership— day one equity, not a future promise. This is a partnership!

Immediate, stable client base from Sandbox's operating companies

Strategic infrastructure support : admin, marketing, IT, workspace, and more

Influence and autonomy to design a firm around your values and strengths

A long-term growth partner invested in your success

Let's build something scalable, profitable, and impactful—together. If you're a CPA ready to lead, not follow, this is your opportunity to create lasting impact in an underserved vertical—with a partner who's already doing the hard work of growth.

Company Description

Sandbox Resources is on a mission to acquire, partner with, and scale home service brands into a $100M+ portfolio using the Sandbox Operating System (SOS) to install world-class systems, teams, and strategies across every company we own.

We don't just hire for open roles, we hire for impact. If you're exceptional at what you do and align with our core values (Extreme Ownership, Clarity over Chaos, Unreasonable Standards, Radical Candor, Build Legacy Not Ego), we want to know you.

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