CPA, Tax Accountant, and Bookkeeping Services in Boston, Massachusetts

Take control of your finances with AI-enhanced bookkeeping, tax, and CFO services for Boston business owners.

4.7 out of 5

Your Boston business. Your growth. Our financial expertise.

Whether you're a startup founder or a small business owner, Zeni can help you excel in Boston's innovative financial landscape.

All-in-one solution

Receive comprehensive accounting services that flex with your business journey.

AI-powered precision

Tap into real-time financial insights and cutting-edge automation.

Boston startup experts

Partner with seasoned professionals who understand Boston’s entrepreneurial ecosystem.

Zeni: the accounting firm you can trust

Zeni provides comprehensive financial management through a unified platform, combining full-service accounting with essential financial tools, like business checking accounts, credit cards, and bill payment software.

This removes the complexity of multiple providers and simplifies operations, while our intelligent automation provides a frictionless experience. Over 600 organizations in Boston and beyond rely on Zeni to manage their finances and accelerate their growth.

Partner with a CPA firm that merges advanced AI technology with deep expertise to provide dependable financial management custom-built for your unique needs.

Boston CPA and tax accountants

Massachusetts presents several additional tax obligations for businesses, including corporate and individual income taxes, plus a flat state-wide sales tax. While there are no local sales taxes, these can still be burdensome on top of federal tax responsibilities.

Zeni makes compliance effortless for entrepreneurs. Our expert tax accountant team stays ahead of changes in Massachusetts tax laws, ensuring your business satisfies every requirement—without the hassle.

We also take a proactive approach to lowering your tax burden, uncovering savings opportunities that others miss. We’ve helped our clients secure over $6.5 million in R&D tax credits, providing fuel for the next stage of growth.

Bookkeeping as reliable as the T (on a good day)

Business moves fast—your books should, too. Zeni keeps your finances on track while you focus on what matters.

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Bookkeeping services

Zeni goes beyond the basics to deliver best-in-class bookkeeping, including accurate, real-time financial data—the foundation of not just the accounting function, but also strategic decision-making.

Our AI-powered platform automates far more than standard bookkeeping software, categorizing transactions using machine learning, offering actionable insights, and even auditing the books to ensure GAAP compliance.

However, we know that no technology is sufficient on its own. That’s why Zeni’s virtual bookkeeping services pair powerful automation with dedicated human experts to make sure you get the support your business needs.

With more than $1.3 billion in monthly transactions already under management, we’re equipped to keep your financials up-to-date—no matter how big you scale.

Fractional CFO advisory services

As your company grows, the financial challenges you face become more complex. Accurate bookkeeping and tax compliance are just the beginning. Beyond a certain point, you’ll need advanced technical expertise to continue scaling.

That’s where our fractional CFO services come in. Whether you need assistance with cash flow management, financial modeling, or VC fundraising strategy, Zeni can provide the help you need—without the cost of a full-time hire.

Because our CFO services integrate directly with the rest of the Zeni platform, our experts have unrivaled insight into your financials. As a result, we can provide tailored guidance with speed and precision that other consulting services can’t match.

Industry expertise

Generic accounting solutions don’t cut it anymore. You need a partner who understands the specific challenges you face, especially if you want to compete in the uniquely innovative technology and life sciences sectors of the greater Boston area.

Zeni was built by founders who’ve been in your shoes, having scaled and sold two successful startups. As a result, we know these challenges firsthand, and every aspect of our platform is designed to support you at every stage of growth.

Choose Zeni for outsourced accounting services that grow with you, helping you achieve success from pre-seed to late-stage funding rounds.