"Greg was very easy to work with. I had a complicated scenario that he was able to manage, with complete confidence. I would highly recommend using him."
"I've had a great experience working with Greg Monaco. He is incredibly detail-oriented and thorough, making sure everything is handled correctly and fully compliant. What really stood out to me is how proactive and dedicated he is."
"Monaco CPA is excellent to work with! Greg is detail-oriented, knowledgeable, and prompt. He's been instrumental in helping me get my business off the ground with a strong financial foundation."
"If you need a CPA or accountant in Livingston or Essex County, I highly recommend Greg at Monaco CPA. My wife and I switched because my old accountant often didn't return my calls. Greg is different."
"I've been working with Greg Monaco, CPA for a few years now, and he's honestly saved me real money with both personal tax help and crypto tax stuff."
"I've been working with Gregory Monaco CPA LLC for my taxes, and I couldn't be happier with the experience. Extremely professional, thorough, and organized from start to finish."
Testimonials reflect individual client experiences and do not guarantee similar outcomes. Tax savings and other results depend on each client's facts and are not typical of all engagements. No client was compensated for providing a review.
Free Resources
Free calculators for NJ business owners and self-employed individuals. No signup, no email required. Built by a NJ-licensed CPA.
Featured Interactive Suites
Three multi-module suites for deeper research: nationwide IRS data, protocol-level crypto tax treatments, and a CPA-created bookkeeping diagnostic. Each runs entirely in your browser.
Look up any U.S. ZIP code's IRS Statistics of Income data. Compare states side-by-side, model a relocation, explore IRS examination rates by income bracket, and run an entity comparison. 7 interactive modules built on data covering 27,588 ZIP codes.
Explore the Tax AtlasProtocol-level crypto tax treatment research for 259 protocols across CEX, DEX, lending, staking, restaking, bridges, derivatives. 110 IRS-cited treatments with confidence labels, contested-position flags, deferred-trigger badges, and a public JSON API.
Explore the Tax MapCPA-created bookkeeping diagnostic suite with 7 tools: 4-step diagnostic wizard, tax deadline calendar, IRS notice decoder, QBO/Xero self-check walkthrough, chart of accounts templates for 20 industries, document checklist, and fix-or-hire decision guide. No uploads, no login.
Diagnose Your BooksQuick Calculators
Eight focused calculators for common 2026 NJ + federal tax questions. Each runs in your browser with no signup.
Full side-by-side comparison of LLC vs. S-Corp taxes including federal income tax, NJ GIT, SE/payroll tax, QBI deduction, BAIT election savings.
Compare LLC vs. S-CorpCalculate your NJ exit tax withholding, actual tax owed, estimated refund, and net proceeds at closing.
Calculate Exit TaxSee the true cost of a W-2 employee vs. 1099 contractor including all NJ payroll taxes (SUI, SDI, FLI), benefits, workers comp.
Compare W-2 vs. 1099Quick S-Corp savings estimate. Compares sole prop SE taxes vs. S-Corp payroll taxes with NJ compliance costs. For a deeper analysis including BAIT, QBI, and federal income tax effects, use the LLC vs. S-Corp Calculator.
Calculate S-Corp SavingsEstimate your 2026 federal self-employment tax (Social Security + Medicare) and NJ Gross Income Tax based on your net self-employment income.
Calculate SE TaxCalculate your 2026 federal and NJ quarterly estimated tax payments. Includes the safe harbor rule so you know the minimum to pay to avoid penalties.
Calculate Quarterly TaxesTax estimator for creators on OnlyFans, Fansly, and other subscription platforms. Enter gross subscriber revenue, get an estimated quarterly federal + NJ + SE tax payment for TY2026.
Estimate Creator TaxEstimate your crypto tax liability across federal and NJ, including capital gains rates by holding period and the Additional Medicare Tax on high earners.
Estimate Crypto TaxesThese calculators give you a directional number, not a tax return. Every calculation involves assumptions about income, deductions, credits, and state-specific rules that vary by situation. Use these tools to understand what you might owe and whether a planning strategy like S-Corp election makes sense to explore further.
When you are ready to work with the actual numbers, Monaco CPA provides personalized tax planning and preparation.
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