Welcome to Ultimate Tax & Accounting !
Ultimate Tax & Accounting LLCUltimate Tax & Accounting LLCUltimate Tax & Accounting LLC
(571) 595-2400
Sterling, VA 20166
Ultimate Tax & Accounting LLCUltimate Tax & Accounting LLCUltimate Tax & Accounting LLC

About Ultimate Tax & Accounting

About us

Ultimate Tax & Accounting, where experience meets excellence

As the CEO and Founder of Ultimate Tax & Accounting LLC, Kian Ighani leads our team with a wealth of expertise cultivated over 28 years in the financial industry. Graduating from Quinnipiac University with a Master’s in Business Administration in 2011, Kian has been a Certified Public Accountant in Virginia, shaping our company into a trusted name within the financial landscape.

In addition to his leadership at Ultimate Tax & Accounting LLC, Kian is a dedicated faculty member at Northern Virginia Community College, where he imparts his knowledge in higher-level accounting courses, covering areas such as trust & estate, cost accounting, nonprofit organizations, and west federal taxation.

At Ultimate Tax & Accounting LLC, we take pride in our client-centric approach, fostering enduring relationships built on reliable and personalized solutions. Kian’s practice specializes in tax planning and advising, complementing the array of services offered by our seasoned professionals. With a commitment to staying informed about industry changes and evolving regulations, we leverage our extensive experience to provide accurate, strategic, and timely financial services. From tax planning to accounting and business advisory, we stand ready to guide you with the wisdom that comes from a quarter-century of experience.

28 Years of Experience


We’re ready to share our advice and experience.

Tax Consultancy

This is one of many areas of professional services where our firm is well ahead of the competition.

Payroll Services

We take the complexity out of payroll and tax administration, handling everything from deductions and garnishments to direct deposits or paper checks

Value Added Tax

We are providing and dealing with all sorts of professional services and matters to operate.

Accounting Services

Our professionals provide a range of accounting and assurance services of the highest standards.

Bookkeeping Services

Our dedicated team is committed to providing comprehensive bookkeeping services tailored to meet the unique needs of your business.

Amazing Strategy

Operates an atmosphere that promote creative approach for clients needs.

We have many reviews from our satisfied clients.

Ultimate Tax is an outstanding resource for any outsourced accounting needs. Whether it's bookkeeping, reporting, clean-up, compliance, tax planning, or strategic business planning. Ultimate Tax has always been a tremendous resource for me and my clients. Highly recommended.

H Rahbar

Mr. Ighani and Ultimate Tax & Accounting LLC is the gold standard! Staff is very knowledgeable and experienced, and always answer all of my tax questions very quickly with very up-to-date info. From my experience I can confidently say that there is no other CPA firm providing this same level of quality for accounting services, especially at the rates that they charge. (Beyond reasonable, adds A LOT of value and worth every penny!)

R Saadvandi

It's clear to me that Mr. Ighani & the Ultimate Tax team want their clients to be prosperous, and they work hard to make sure you and/or your business get as many tax benefits/savings as legally possible! Taxes, bookkeeping, and other accounting services are no longer a headache or concern when Ultimate Tax & Accounting LLC is on your side! THANK YOU ULTIMATE TAX !!!!

R Saadvandi

Individual Taxpayers Forms Business Taxpayers Forms Employment & Payroll Taxes Forms Other Forms
  • Form 1040: U.S. Individual Income Tax Return (standard form for personal income tax).
  • Form 1040-A: Shorter version of Form 1040, discontinued after tax year 2017.
  • Form 1040-EZ: Simplified version for taxpayers with straightforward tax situations, discontinued after tax year 2017.
  • Form 1120: U.S. Corporation Income Tax Return (for C corporations).
  • Form 1120S: U.S. Income Tax Return for an S Corporation (for S corporations).
  • Form 1065: U.S. Return of Partnership Income (for partnerships).
  • Form 1041: U.S. Income Tax Return for Estates and Trusts (for estates and trusts).
  • Form W-2: Wage and Tax Statement (issued by employers to employees).
  • Form W-4: Employee's Withholding Certificate (used by employees to determine withholding).
  • Form 941: Employer's Quarterly Federal Tax Return (for reporting payroll taxes).
  • Form 940: Employer's Annual Federal Unemployment (FUTA) Tax Return.
  • Form 1099 series: Various forms used to report income other than wages, such as dividends, interest, and contractor payments.
  • Form 8889: Health Savings Accounts (HSA) deductions.
  • Form 8862: Used to claim the Earned Income Tax Credit (EITC) after it has been disallowed in a previous year.
Like What We Offer


In order to acquire our services please kindly send us your inquiry of interest. We shall revert back immediately.

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