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About Us

EC Advisors LLC, established in 2013 and based in NYC, is specialized in personal tax, corporate tax and trust planning for high net worth clients from both U.S. and overseas. Its clients include CEOs of public companies, family offices of billionaires, trusts, and charity foundations.

Personal Tax Services

        • Personal tax return filing for U.S. tax payers and non-U.S. residents.

        • Pre‐immigration tax planning to the U.S.

        • Due diligence research for foreign investments in the U.S. debt/equity and real estate

        • Retirement planing and consulting for U.S. citizens and green card holders

        • Estate/trust/gifting/wealth succession tax consulting from non‐U.S. donors to U.S. beneficiaries

        • Tax consulting of U.S. individuals or entities investing or expanding outside the U.S.

        • Expatriation consulting (relinquishment of U.S. green card or U.S. citizenship)

Business Tax Services

        • Business, trusts and charity foundation setup in multiple states

        • Federal and state tax return filing for C Corporation (1120), foreign Coproration (1120-F), S Corporation (1120-S), Partnership (1065), trust (1041) and charity foundations (990)

        • Payroll tax & 1099s

        • Sales and use tax

        • Bookkeeping

Our Team

Grace Gui

Ms. Gui is an IRS Enrolled Agent and Certified Estate Planning Specialist. She has more than 15 years' experience in tax and trust planing field. She graduated from Harvard and was in the Accounting PHD program at UNC-Chapel Hill. She had over 8 years' Wall Street experience specialized in high frequency trading.

Fa Wang

Mr. Wang has been a CPA for 18 years. He used to work as a senior manager at one of the top 10 U.S. accounting firms. He is specialized in personal tax for high net worth clients with multinational income sources.

Stephanie Chang

Stephanie, CPA, has over 15 years experience in accounting, tax and payroll services. She is dedicated to providing the best possible financial and tax reporting for her clients. She began her career as an investment analyst and financial advisor. Finance, private equity, transportation, retail, technology companies, and law firms are among her regular consulting and accounting clients.

Contact Us

E-mail: contactus@ecadvisors-us.com

New York Office:

45 Rockefeller Center
New York City, NY
10111

North Cal. Office:

880 E Fremont Ave
Sunnyvale, CA
94087


South Cal. Office:

185 W Chestnut Ave
Monrovia, CA
91016


Irvine Office:

500 Technology Dr.
Irvine, CA
92618