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Business Details
29 Years
experience
Your Trusted CPA Partner in Columbia, LA
Carroll & Johnston has been dedicated to empowering Louisiana businesses through expert accounting services since 1997. Our team of certified public accountants combines decades of experience with personalized service, specializing in tax strategy, financial planning, and business entity optimization. We prioritize building long-term relationships while delivering actionable insights that improve clients' tax positions and operational efficiency. With expertise in industries ranging from oil and gas to nonprofit organizations, we provide tailored solutions for businesses at every growth stage. Our commitment to excellence extends to payroll administration, international tax compliance, and IRS representation, ensuring comprehensive financial support.

As active community members, we take pride in helping local enterprises thrive through ethical practices and transparent communication. Our professionals maintain affiliations with the American Institute of CPAs and Louisiana Society of CPAs, upholding the highest industry standards. By integrating modern technology with traditional accounting principles, we streamline financial processes while maximizing tax advantages for our clients. This approach has earned us trusted partnerships with businesses across northern Louisiana for over 25 years.
Services
Tax Management Bookkeeping Services Financial Planning IRS Representation Payroll Processing Entity Restructuring Retirement Planning International Taxation
Details
  • Year established: 1997
Highlights and features
  • We offer 25+ years of Louisiana-focused accounting expertise
  • Our team includes former Big 4 accounting firm professionals
  • We provide industry-specific tax optimization strategies
  • Our personalized service includes year-round financial guidance
  • We maintain active CPA licensure and professional affiliations
Services
Tax Management
Our tax management services combine strategic planning with regulatory compliance to minimize liabilities. We analyze current financial situations, identify tax-saving opportunities, and implement customized strategies that align with business goals while maintaining full compliance with evolving tax codes.
Bookkeeping Services
We provide comprehensive bookkeeping solutions that maintain accurate financial records. Our services include ledger maintenance, financial statement preparation, and payroll processing, allowing business owners to focus on core operations while ensuring financial transparency and regulatory compliance.
IRS Representation
When facing IRS inquiries or audits, our experienced CPAs provide professional representation. We handle all communications, prepare necessary documentation, and advocate for clients' interests while resolving tax issues efficiently and minimizing potential penalties or liabilities.
Entity Restructuring
We advise on optimal business entity selection and restructuring strategies. Our analysis considers tax implications, liability protection, and growth objectives to help businesses choose structures that maximize financial advantages and support long-term operational goals.
Financial Planning
Our financial planning services focus on achieving long-term business and personal financial goals. We develop comprehensive strategies covering retirement planning, asset allocation, tax-efficient investments, and succession planning to ensure sustained financial security and business continuity.
People
John S. Carroll
CPA Partner
John S. Carroll is a Louisiana CPA with over 25 years of experience, including nine years at Deloitte and BDO Seidman. He specializes in oil and gas accounting, holds an MBA from the University of Chicago, and serves on multiple bank boards while maintaining active church leadership roles.
Bradley L. Johnston
CPA Partner
Bradley L. Johnston brings extensive tax expertise from his family's accounting firm and serves as past President of the Northeast Louisiana CPA chapter. With experience in corporate auditing and tax strategy, he focuses on helping businesses optimize financial operations while serving various nonprofit organizations.
Leah B. Williams
CPA
Leah B. Williams has over 40 years of accounting experience, specializing in tax preparation and auditing. She holds advanced business degrees from ULM and provides expert financial guidance to Monroe area clients while maintaining active community involvement through church service.
Savanah Lee
CPA
Savanah Lee is a licensed CPA with expertise in bookkeeping and tax preparation for small businesses. She graduated from the University of Louisiana at Monroe and contributes to both client services and church music ministry in Columbia, LA.
Questions
What accounting services do you offer for Louisiana businesses?
We provide comprehensive services including tax planning, financial reporting, payroll processing, entity selection, IRS representation, and industry-specific consulting for businesses across Louisiana.
How do you handle complex tax situations?
Our CPAs specialize in navigating complex tax scenarios through strategic planning, regulatory compliance, and leveraging current tax law provisions to optimize client outcomes.
Can you assist with business startup accounting needs?
Yes, we help new businesses with entity selection, financial structuring, bookkeeping setup, and tax registration to establish strong accounting foundations.
Do you work with clients outside Louisiana?
While based in Louisiana, we serve clients nationwide through virtual consultations and digital document management systems for tax and accounting services.
How do you stay current with tax law changes?
Our team maintains active CPA licensure, participates in professional organizations, and completes ongoing education to stay updated on federal and state tax regulations.