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Trusted Accounting Services in Plant City
On Site Accounting has established itself as a trusted partner for businesses seeking comprehensive financial solutions. With over two decades of experience, our firm combines technical expertise with personalized service to deliver accurate results and strategic guidance. Our team of dedicated professionals brings decades of combined experience in forensic accounting, fraud prevention, and CFO consulting, serving clients from our Plant City headquarters. We specialize in proactive financial management, offering tailored bookkeeping, tax preparation, and disaster recovery accounting services that go beyond traditional accounting practices.

Rooted in trust and transparency, our approach ensures businesses navigate financial challenges with confidence through real-time updates, user-friendly reporting, and clear communication. Whether supporting emerging startups or established enterprises, we focus on building lasting relationships while delivering measurable outcomes like $1MM+ savings through strategic tax planning and $5MM+ revenue growth through CFO services.
Services
Bookkeeping CFO Consulting Income Tax I-9 Consulting Fraud Investigation Payroll Services
Highlights and features
  • We offer over 20 years of specialized accounting experience
  • Our team provides tailored financial solutions for unique business needs
  • We implement proactive fraud prevention and detection systems
  • We deliver year-round financial management, not just tax season support
  • Our experts have achieved $1MM+ in client savings through strategic planning
What people say
Expert financial guidance Personalized service Measurable savings Proactive approach Trusted advisors
Services
Bookkeeping
Our hands-on bookkeeping services provide real-time financial visibility for businesses of all sizes. We maintain accurate records through regular updates and user-friendly reporting systems. This foundational service supports better business decisions while ensuring compliance with financial regulations and tax requirements.
CFO Consulting
Experienced CFO consultants help businesses achieve strategic goals through financial planning and operational optimization. We provide expert guidance on budgeting, financing, and accounting oversight to drive growth. This service has helped clients increase revenue by $5MM+ through targeted financial strategies.
Income Tax
Specialized income tax services leverage over 20 years of expertise to maximize tax benefits for businesses. Our professionals ensure accurate filings while identifying legitimate deductions and credits. This service helps clients achieve significant savings through strategic tax planning approaches.
Fraud Investigation
Expert fraud investigation services identify and prevent occupational fraud through thorough forensic analysis. We specialize in workplace fraud detection and prevention programs. Our team helps protect businesses from financial losses through comprehensive auditing and risk assessment protocols.
Payroll Services
Reliable payroll processing ensures timely employee payments and compliance with tax regulations. Our system maintains accurate records while handling complex payroll calculations. This service helps businesses avoid penalties through proper tax withholding and reporting procedures.
People
Lizzette Sarria
Founder
Lizzette Sarria brings over 25 years of forensic accounting expertise to On Site Accounting. Specializing in fraud investigation and prevention, she helps businesses achieve financial freedom through strategic consulting and QuickBooks training.
Questions
What accounting services do you offer?
We provide bookkeeping, CFO consulting, income tax preparation, fraud investigation, payroll services, and I-9 compliance auditing for small to medium businesses.
How long have you been serving businesses?
Our team has over 20 years of combined experience helping businesses with financial management and accounting solutions.
What makes your firm different from other accountants?
We focus on proactive year-round financial management rather than just tax preparation, with specialized expertise in fraud prevention and business optimization.
Do you work with specific business sizes?
We serve businesses from owner/operators up to companies with 50 employees across various industries.
How can you help with tax savings?
Our experts have helped clients save over $1MM through strategic tax planning and CFO services.
Can I schedule a consultation?
Yes, we offer free initial consultations with our accounting experts to discuss your business needs.