Property management company seeks a statement of operating income

I am looking for software to handle the income surplus method for my property management business in southern Germany. I manage nine residential units and one commercial unit, and I need accounting software to prepare the books for these ten rental units across a total of three buildings. I manage my own properties. The financial data needs to be formatted for my tax advisor.

The software must meet the following requirements:

Must-haves

• Calculation of income from rental and leasing for tax returns
• Advance VAT return, as there is a commercial unit
• Different VAT rates, as input tax can be deducted differently depending on the cost center
• Split entries
• Fixed assets

Optional

• Incoming payments
• Payment entry
• Validity checks
• ELSTER
• Document processing
• Document separation
• Document number assignment
• Document archiving
• Posting texts
• Monthly closing
• Cash and bank ledgers
• Cost and revenue lists
• Analysis
• Posting screens
• Posting templates
• Open item postings
• Reversal postings
• Target/actual taxation
• Chart of accounts
• Bank statements
• Balance carryover
• DATEV export
• Password protection
• Data backup
• Single-user version
• Ideally, reporting of utility costs
• Ideally, property management should also be handled via the software

Future

• Debit/credit posting

• Web-based would be good

One software workstation is planned. Apple devices will be used.