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. Jonathan has given other small business owners advice over the years however he realized that many of them need more than just advice. They need help.

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.

Areas of Practice


ERP Systems


Full Bookkeeping Services

Chart of Account Design

Accounting software


Entity selection



These guys are the absolute best!  We attempted to keep our own books and all we did was to create a giant mess! After contacting Guardian, Jonathan and Monica came to the rescue... read more

Ryan S.