XB4, PC (CPAs & Advisors)

A hub of experienced professionals with financial insight to maximize your business potential and revenue

Certified public accountant in Philadelphia, PA (show on map)

5.0

★★★★★

2 reviews

Philadelphia-based professional accounting, audit, tax, and advisory firm founded by former Big 4 Partners in 2003.

Call (215) 924-1000

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About

XB4 is a hub of experienced professionals with financial insight to maximize your business potential and revenue. Established by former Big 4 Partners and experienced financial advisors, XB4 combines three decades of USA, international, and Middle East financial knowledge and practices.

The firm is skilled in US GAAP Standard, from basic financial statement preparation to company formulation. XB4 is a certified Value Builder Advisor and the exclusive IR Global Advisor for Audit & Assurance Services in the United Arab Emirates. The firm has completed 400+ projects, served 200+ happy clients, and received 14 awards and recognitions.

Founded by former Big 4 Partners (not just alumni — actual partners)

Over 25 years of Big 4 experience from US and Middle East

5 global office locations (Philadelphia, Chicago, New York, Los Angeles, Dubai)

Exclusive IR Global Advisor for Audit & Assurance in UAE

Certified Value Builder Advisor

400+ successful projects, 200+ happy clients, 14 awards

No hidden charges — transparency in billing

Customized solutions vs 'one size fits all'

Serves clients anywhere across the globe

Services

Advisory Services

Customized advisory services including enterprise value building, business valuation, business planning, cash flow management, family business and succession coaching, feasibility studies, fair value calculations, reorganization, merger and acquisition, financial statements preparation, company formation, and CFO on demand.

Enterprise Value Building Business valuation Business planning Merger and acquisition CFO on demand Succession coaching

Assurance Services

Comprehensive assurance services including IPO services, fraud examination, due diligence, business liquidation, limited reviews, compilations, compliance check, voluntary audit, and external audit.

IPO services Fraud examination Due diligence External audit Internal control assessment Sarbanes Oxley section 404

Tax Services

Full range of tax services including tax audit, indirect tax, state and local tax, federal tax, and international tax.

Tax audit Indirect tax State and local tax Federal tax International tax

ERP Advisory and Implementation

Enterprise Resource Planning advisory and implementation services to help businesses streamline financial activities.

ERP advisory ERP implementation Financial systems integration

Value Builder Program

The Value Growth Program is built specifically to position the business to attain the highest valuation. XB4 is a certified Value Builder Advisor that can guide you through each module to ensure maximum exit value.

Business valuation analysis Custom action plan design Exit strategy preparation

Credentials & Certifications

Certified Public Accountant (CPA)

Certified Valuation Analyst (CVA)

Chartered Global Management Accountant (CGMA)

Certified Management Accountant (CMA)

Certified Fraud Examiner (CFE)

American Institute of CPAs member

Illinois CPA Society member

Pennsylvania Institute of CPAs member

Association of Certified Fraud Examiners (ACFE) member

National Society of Tax Professionals member

National Association of Certified Valuations Analysts (NACVA) member

Reviews

Rating

★★★★★

Reviews

"On-site services"

Frequently Asked Questions

What services does XB4 offer? +

XB4 offers advisory services (enterprise value building, business valuation, business planning, M&A, CFO on demand), assurance services (external audit, IPO services, fraud examination, due diligence), tax services (federal, state/local, international, indirect tax), and ERP advisory and implementation services.

Where is XB4 located? +

XB4 has offices in Philadelphia (1700 Market Street, Suite 1005, Philadelphia, PA 19103), Chicago (205 North Michigan Avenue, Suite 810, Chicago, IL 60601), New York (30 Wall St. 8th Floor, New York, NY 10005), Los Angeles (626 Wilshire Blvd, Suite 410, Los Angeles, CA 90017), and Dubai (Fifty One Tower, Marasi Drive, 5th Floor, Office No. 502, Dubai UAE).

What are XB4's office hours? +

Philadelphia, Chicago, New York, and Los Angeles offices are open Mon-Fri 8:00am - 5:30pm. The Dubai office is open Sun-Thu 8:00am - 5:30pm.

Who founded and runs XB4? +

Yasser Atiyyeh is the Founder and Managing Partner of XB4. He brings over 25 years of experience from all Big Four audit firms across the United States and the Middle East. He is a CPA, CVA, CGMA, CMA, and CFE. He was previously a Partner at PwC UAE before founding XB4.

What industries does XB4 serve? +

XB4 serves a wide range of industries including telecommunication services, utilities, real estate, energy, materials, industrials, consumer discretionary, consumer staples, healthcare, financials, and information technology.

What makes XB4 different from larger firms? +

XB4 believes that bigger is not always better. They don't believe in assigning low-experience employees to big clients. They offer dedicated, hardworking, and well-experienced experts who utilize client strengths to maximize revenue. They provide customized solutions rather than 'one size fits all' approaches, with no hidden charges and full transparency.

When was XB4 founded? +

XB4 was formed in Pennsylvania in 2003, in the wake of the Enron-Andersen collapse when serious quality and confidence challenges were threatening the accounting world.

What financial reporting frameworks does XB4 work with? +

XB4 works with US GAAP, International Financial Reporting Standards (IFRSs), International Standards on Auditing (ISAs), AAOIFI standards for Islamic financial institutions, and International and US Valuation Standards.