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Specialty Areas


Guardian Bookkeeping Services™ was founded by Jonathan Lanz, a small business owner with many years of experience in big corporate bookkeeping departments.

Running his own small business, Jonathan understands all the bookkeeping challenges that small business owners face.

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Our Team


We are QuickBooks ProAdvisors and certified in ERP systems.  Jonathan, the owner, has an Accounting degree from The University of St. Thomas

We have a combined 70+ years of experience helping small to mid-size business with all of their accounting needs.

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Areas of Practice

  • ERP Systems
  • Payroll
  • Full Bookkeeping Services
  • Chart of Account Design
  • Accounting software
  • ​Bookkeeping
  • Entity selection
  • Training

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