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Trusted Startup CPA | Columbus, Ohio and Chicago, Illinois

Master your finances, impress investors, and reach your next milestone.

At Build Accounting, we go beyond financial peace of mind.

We think like startup founders, helping seed stage and VC-backed startups find new opportunities and successfully raise Series A.

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"Brett isn't just a CPA, he's become a trusted advisor for my business. He takes the time to understand my goals and challenges, offering tailored advice that's been invaluable for growth.

His expertise has helped me make smarter financial decisions and save a ton on taxes... The peace of mind alone is worth every penny."
Russell K.
President, Deutsche Hydrapro

Services

Startup Accounting

We help startups manage bookkeeping, financial reporting, and forecasting. Build ensures your startup stays compliant, organized, and ready for growth from day one.

CFO Services

Our CFO services offer strategic leadership to help guide your startup. We provide expert insights to optimize cash flow, drive profitability, and support long-term financial success.

Tax and Compliance

Our tax and compliance services ensure your business meets all regulatory requirements while minimizing tax liabilities. We handle filings, reporting, and strategic tax planning to keep your business compliant and penalty-free.

Compliance pricing is comparable to Pilot/Digits.

About Build Accounting

Expert support whenever you need it.

Brett Rosenstein is the Managing CPA of Build Accounting. With 15 years of experience in the accounting and startup industry, Brett is a highly skilled Certified Public Accountant dedicated to helping startups and small businesses navigate the complexities of accounting and taxes.

Why Choose Build?

  • Personal Support: We understand that as startup founders, you are not accountants. We take care of everything on the accounting and tax side so you don’t need to worry. If anything does come up, we’re just one call, text, or email away.
  • Responsiveness: After listening to hundreds of startup founders, we hear the same story over and over: Most accountants take weeks to respond, slowing down your business and leaving you with extra stress. We strive to provide answers as quickly as possible—often within minutes!
  • Proactive Planning: It’s important to have your financial boxes checked, but we go even further. We help you quickly identify opportunities for savings and growth, so you can remain agile and maximize your runway in real time.

Startup Incubators We've Worked With

Master your finances with industry-specific expertise.

With Build Accounting, seed stage startups don’t need to worry about complex accounting, tax, and compliance regulations. We provide peace of mind by taking care of all of this for you.

To date, we have never had a client with a negative audit or penalty as a result of work we’ve completed. 

With your finances in good hands, you can focus on scaling your startup and reaching the next milestone.

Our startup accountant service helps new businesses manage their finances, stay tax-compliant, understand their KPIs, and plan for growth.

From setting up bookkeeping systems to handling payroll, budgeting, and forecasting, we ensure startups have a solid financial foundation. We assist with fundraising, track expenses, and provide insights into cash flow.

By ensuring accurate reporting, Build Accounting helps entrepreneurs focus on scaling their business while minimizing financial risks. 

At Build Accounting, we specialize in helping SaaS businesses manage finances, track recurring revenue, and ensure tax compliance. We handle subscription billing, cash flow forecasting, and revenue recognition, giving you insights to scale confidently.

Our expertise in SaaS metrics and growth strategies helps streamline operations while maximizing profitability.

We help AI companies manage finances, track R&D expenses, and ensure tax compliance. We specialize in scaling operations, handling complex revenue models, and maximizing tax credits for innovation.

Our expertise supports AI startups in managing growth and optimizing cash flow, so founders stay focused on breakthrough technology.

At Build Accounting, we help fintech companies manage complex financial operations, ensure regulatory compliance, and scale efficiently. We handle revenue recognition, track transactions, and optimize tax strategies.

Our expertise supports fast-growing fintechs with financial planning, reporting, and audits—allowing you to focus on innovation and disrupting the financial industry.

At Build Accounting, we help small businesses manage their finances, track expenses, stay tax-compliant, and develop proactive tax strategies. We handle bookkeeping, payroll, and cash flow, providing insights to drive growth.

Our goal is to simplify accounting, reduce tax burdens, and give you the tools to make smarter financial decisions and scale confidently.

Monthly Bookkeeping

Tax Preparation

Remote Accounting

Invoices and Payroll

Fractional CFO

Find clear answers today.

Ready for a custom quote? Schedule a free, no-obligation call to discuss your accounting needs.

Investors love Build Accounting.

We do more than track bank transactions or put numbers on a form. With our CFO services, you’ll have the financial clarity you need to scale your startup.

Find a CPA who understands the industry, the challenges you face, and how to best position your startup for success.

We work with startups in Chicago, Columbus, Cincinnati, Cleveland, and beyond.

We handle budgeting, forecasting, and fundraising, ensuring smart cash flow management and strategic growth. Our expertise helps you make informed decisions, avoid financial pitfalls, and maximize investor confidence—delivering the most value at every stage.

We've helped startups raise millions in venture capital and private equity.

Financial Models

Runway Projections

Budgets and Forecasting

Revenue Analysis

Investor Reports

"More than an accountant, Brett has been a strategic advisor, providing valuable insights and advice that have significantly contributed to our business strategy and growth.

His contributions have been indispensable, not just in managing our finances but in driving our business forward. I highly recommend Brett and Build Accounting to anyone seeking a knowledgeable, proactive, and strategic accounting partner."
Adam S.
CEO and Founder, Education Walkthrough

Startup and SaaS Accounting Resources

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financial peace of mind

Stress-free accounting and tax filing is our minimum standard. Find a trusted financial partner to help you grow for years to come.

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Midwest Startup CPA

Serving Columbus, Cincinnati, Cleveland, Chicago, and beyond

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