About Sim Kadir

Sim Kadir joined CSI Accounting & Payroll in October 2025 as an Accounting & Tax Manager. Since beginning her tax career in 2022, she has focused on tax preparation and supporting clients through a variety of tax-related matters.

Sim earned her accounting degree in 2022 and later obtained her Enrolled Agent (EA) credential. As an EA, she is authorized to represent taxpayers before the Internal Revenue Service, providing additional expertise in tax compliance and tax resolution matters.

Throughout her career, Sim has developed expertise in tax preparation and client file management. Her work focuses on maintaining organized records, preparing accurate tax returns, and helping clients navigate tax requirements with confidence.

One accomplishment Sim is particularly proud of is her rapid progression into a management portfolio after earning her EA credential. Her technical tax knowledge, commitment to accuracy, and ability to manage client matters helped accelerate her growth within the profession.

Sim's professional background has centered on tax preparation, tax resolution support, and accounting systems. She enjoys helping clients stay organized and compliant while simplifying complex tax processes.

Areas of Expertise

• Tax preparation.
• Tax compliance.
  
• Tax resolution support.
• IRS representation.
• Accounting systems.
• Individual tax returns.
• Business tax returns.
• Tax documentation.
• Tax planning support.

Education & Credentials

Education

• Accounting Degree (2022).

Certifications

• Enrolled Agent (EA).

Leadership & Industry Contributions

Sim's advancement into an Accounting & Tax Manager role reflects her growing expertise in tax preparation and client management. Her EA credential and experience supporting tax clients have allowed her to take on increasing responsibility while helping clients address tax compliance and documentation requirements.

Her work focuses on creating organized processes, maintaining accurate client records, and helping clients navigate tax-related challenges.

About CSI Accounting & Payroll

CSI Accounting & Payroll provides accounting, bookkeeping, payroll, tax, and advisory services to small and midsized businesses across the United States. CSI helps business owners improve financial visibility, streamline operations, and make informed business decisions through proactive accounting and payroll support.