Sign in to Fortress OSYour finance team can
finally exhale
Built for the financial realities most AP systems weren't designed to handle.
The real cost of manual
AP is your time
Manual Approvals
Approvals and purchase requests get lost in email, spreadsheets, and tools that don't talk to each other.
Payment Issues
Paying by hand means slow payments, double work, and mistakes in the books.
Complicated Resident Payments
Reimbursements, subsidy changes, repayments, and move-out charges are hard to track in old AP tools.
Compliance Risks
When systems don't talk, payments get missed and compliance starts to slip.
Too Many Spreadsheets
Teams still run the money on spreadsheets and hand-typed math.
AP & procurement is only part of the picture
See how Fortress keeps the rest of your operations connected.
Accounting
Keep the books current without the swivel-chair work.
- Ledger & month-end
- Batches & reports, linked
- Books match operations
Payments
Move money and track every charge in one place.
- Resident payments & reimbursements
- Repayments & collections
- Every charge, one place
Fortress Compliance
Audit-ready records that build themselves.
- Certifications & subsidies
- Audit-ready docs
- Affordable work, organized
Reporting
See the whole portfolio without exporting a thing.
- Financial & ops activity
- Compliance & performance
- Live dashboards, zero exports
Here's what traditional AP systems keep missing
AP and procurement in one place
Run AP and purchasing in one place, so approvals and spending stop living in separate tools.
Connected financial operations
Your books and operations stay in sync, with Fortress plugged right into Sage Intacct and ProcureDesk.
See every integrationPayment and vendor management
Pay vendors, track invoices, and see where every payment stands — all in one view.
Portfolio visibility and control
See spending, approvals, and reports across every property in real time.
No more messy, manual bullsh*t
soooo, what makes Fortress OS different?
Fortress OS6 / 6Built for affordable housing
Other tools make you bend to fit them. We built Fortress around how affordable housing actually runs. Every program. Every quirk.
Fortress OSYour systems finally talk to each other
Payments, compliance, maintenance, messages. All in sync. No double entry. No copy-paste tax. No swivel chair.
Live in 90 days, not next year.
Most switches drag on the better part of a year. Ours runs on a set 90-day plan, with a dedicated rep and dates your team can hold us to.
...and of course:
AP & Procurement FAQs
The things finance teams ask before they connect AP and procurement to Fortress.
Contact UsDoes Fortress OS replace my AP or procurement software?
No. Fortress works alongside trusted AP and procurement partners like ProcureDesk and Sage Intacct to support connected financial and operational workflows.
Can Fortress support affordable housing financial workflows?
Yes. Fortress supports workflows like utility reimbursements, subsidy adjustments, and final account statements.
How does Fortress help reduce manual financial work?
Fortress centralizes operational and financial workflows to cut spreadsheet tracking, duplicate entry, and disconnected processes.
Can Fortress support audit-ready compliance workflows?
Yes. Fortress helps teams keep documentation visible, reporting centralized, and compliance workflows connected across properties and residents.
Can Fortress connect accounting and operational workflows?
Yes. Fortress connects accounting, payments, compliance, and operational workflows through one centralized platform.