Fasten Halberstam

Fasten Halberstam wishes you and your family a happy holiday season!

We don’t tighten your belt.
We secure it.

Merging business minds with accounting brains, our talented team has driven
success for over a quarter century.

In the world of business,
everything counts.

At Fasten Halberstam LLP, we believe your company’s health begins with holistic accounting. While others act as number crunchers and form filers, our multidimensional team serves as your trusted tacticians—experts in all areas of accounting, assurance, taxation, business consulting and beyond.
Operating amidst the history and distinction of New York’s famed Wall Street, our leadership cultivated a reputation marked by professionalism, creativity, accountability, passion and prestige. Today, we produce large-scale solutions while upholding the detailed attention and care of a boutique firm.


From accounting and IRS tax problems to simple money matters and complex business disputes, our experts overcome anything—with confidence.

Outside the

With a cautiously creative approach to savings strategy, our skilled associates innovate new ways to create value and ensure your long-term financial viability.

Proactive yet

Whether they’re fine-tuning your exit plan or orchestrating the perfect IPO strategy, our astute leadership exhaust all avenues to maximize profit and minimize loss.

The complete

Leaving no stone unturned, FHLLP defines your tax position, bulletproofs your financial statements and empowers you with equity resources for 360° financial clarity.