How to Choose the Right Lease Accounting Software

Most lease accounting software evaluations start in the wrong place. Teams pull together a feature checklist, send it to three vendors, and pick whoever checks the most boxes. The problem is that the boxes are usually the wrong ones.

The features that matter during a demo are rarely the ones that matter during your first ASC 842 audit, your first lease modification, or your first multi-entity consolidation. By the time you discover the gaps, you are already live on the platform.

This guide is written for controllers, accounting managers, and finance leaders who want to ask better questions before they sign a contract. If you are still deciding whether you need dedicated software at all, start with our 5 signs your company needs lease management software.

1. Confirm It Handles the Full Accounting Lifecycle, Not Just Initial Recognition

Most platforms can handle initial recognition of a new operating or finance lease. That is the easy part. Where platforms diverge is in how they handle post-commencement events, which is where the real accounting complexity lives.

Before committing to any platform, verify it can handle:

Lease modifications. Under ASC 842, a modification that grants the lessee an additional right of use not included in the original lease is treated as a separate contract. Modifications that are not separate contracts require remeasurement of the lease liability and ROU asset using a revised discount rate. Ask the vendor to walk you through how their system handles both scenarios.

Reassessments. Changes in lease term, purchase option probability, or variable lease payments based on an index or rate all trigger reassessment under ASC 842. The system should handle these automatically with a full audit trail showing what changed and why.

Terminations and partial terminations. Early terminations require derecognition of the ROU asset and lease liability, with any difference recognized as a gain or loss. Partial terminations, where a lessee gives back a portion of space, require proportionate reduction of both. Not all platforms handle this correctly.

Impairment of ROU assets. Operating lease ROU assets are subject to impairment testing under ASC 360. If your portfolio includes underperforming locations, confirm the platform supports impairment workflows or integrates cleanly with your impairment analysis process.

For a deeper look at how these calculations work, see our guide to understanding lease amortization schedules.

2. Understand How the Platform Handles Discount Rates

The incremental borrowing rate (IBR) is one of the most consequential inputs in lease accounting. A poorly managed IBR process introduces material risk into your balance sheet.

Key questions to ask:

• Does the system store IBR assumptions at the lease level with full version history?
• Can you apply a single practical expedient IBR by class of underlying asset, or must you calculate individually?
• How does the system handle IBR updates on reassessment or modification events?
• For IFRS 16 reporters, does it support the lessee's incremental borrowing rate as of the commencement date, and update it on reassessment?

If a vendor cannot answer these questions in detail, that is a red flag.

3. Evaluate Multi-Standard and Multi-Entity Support

If your organization files under more than one accounting standard, such as ASC 842 for US GAAP, IFRS 16 for international subsidiaries, or GASB 87/96 for government entities, you need a platform that handles parallel reporting without requiring duplicate data entry.

Ask specifically:

• Can the system maintain separate ledgers for ASC 842 and IFRS 16 on the same lease?
• How does it handle differences in classification, discount rate, and measurement between standards?
• For multi-entity organizations, can it consolidate across entities and eliminate intercompany leases?
• Does it support different functional currencies and handle foreign currency remeasurement on lease liabilities?

Spacebase supports ASC 842, IFRS 16, and GASB 87/96 within a single platform, with entity-level reporting and multi-currency support built in. For more on multi-standard compliance, see what to do when your company needs to comply with multiple lease accounting standards.

4. Assess the Quality of the Audit Trail

Your lease accounting system is a system of record. Every calculation, every journal entry, every modification, and every reassessment needs to be defensible to an auditor. The quality of your audit trail is a control, not a nice-to-have.

What a strong audit trail looks like:

• Every change to a lease record is timestamped and attributed to a specific user
• Prior period calculations are preserved and accessible, not overwritten
• Journal entries are traceable back to the specific lease event that generated them
• Disclosure reports are reproducible as of any point in time, not just the current date
• The system maintains a complete history of IBR assumptions, modification events, and reassessment triggers

Ask the vendor to show you an audit log for a modified lease and walk you through how an auditor would trace a journal entry back to its source. For context on what auditors look for, see our post on SOC 1 Type 2 for lease accounting software.

5. Verify ERP Integration Depth

A lease accounting platform that does not integrate cleanly with your ERP creates manual reconciliation work every month. The integration should be bidirectional and reliable, not a one-time export.

Evaluate:

• Does it post journal entries directly to your GL, or does it export a file you import manually?
• Can it map to your specific chart of accounts and cost centers?
• How does it handle reclassifications or corrections when a journal entry needs to be reversed?
• Is the integration certified or maintained by the vendor, or is it a custom build you are responsible for?

Spacebase integrates with major ERP and accounting systems including NetSuite, QuickBooks, and Sage, with journal entries posted directly to your GL mapped to your chart of accounts.

6. Scrutinize the Disclosure Reporting Output

Your ASC 842 or IFRS 16 disclosures are included in your audited financial statements. The system needs to produce disclosure-ready output that your auditors can rely on, not a starting point you have to reformat in Excel.

At a minimum, verify the system produces:

• Maturity analysis of undiscounted lease payments by year and thereafter
• Reconciliation of operating and finance lease liabilities
• Weighted average remaining lease term and weighted average discount rate by lease class
• Variable lease cost, short-term lease cost, and sublease income separately disclosed
• ROU asset rollforward for finance leases
• Operating lease cost presented on a straight-line basis

Ask for a sample disclosure package and have your audit firm review it before you sign a contract. For more on what ASC 842 requires, see our complete guide to ASC 842 and IFRS 16 compliance.

7. Evaluate Implementation Scope and Timeline Realistically

Implementation timelines are frequently underestimated during the sales process. A platform that takes six months to implement and requires significant professional services fees changes the total cost of ownership considerably.

Ask specifically:

• What does the implementation process involve and who does the work?
• Is lease abstraction included or billed separately?
• What is the go-live timeline for a portfolio of our size?
• What does parallel testing look like, and how long do most customers run parallel before going live?
• What is the escalation path if issues arise during implementation?

Spacebase implementations typically run 4-5 weeks. The team manages the process and offers a paid lease abstraction service for customers who want professional support entering their lease data, so your team is not spending weeks on data entry before you go live.

8. Check References, Not Just Reviews

G2 and Capterra ratings tell you something. References from customers in your industry, with portfolios similar to yours, tell you much more. Ask the vendor for two or three references you can call directly, specifically customers who have been through an audit on the platform.

Questions worth asking those references:

• How did the system perform during your first year-end audit?
• Were there any calculation errors or disclosure issues that required correction?
• How responsive was the vendor when you had a technical question or found an issue?
• If you were choosing again, would you choose the same platform?

Why Finance Teams Choose Spacebase

Spacebase was built in 2015 when Airbnb needed lease software that could handle a complex, multinational portfolio and could not find anything on the market that actually worked. Today it manages 10,000+ leases across 12 countries for Airbnb, and serves finance and real estate teams at companies including Stripe, CBRE, United Airlines, and Verkada.

The platform handles the full ASC 842 and IFRS 16 accounting lifecycle: initial recognition, modifications, reassessments, terminations, impairment flags, journal entries, amortization schedules, and disclosure reports. Lease accounting and lease administration run in the same system, so your accounting team and real estate team are always working from the same data.

SOC 1 Type II certified, with role-based access controls, SSO, MFA, and 24/7 threat monitoring.

Explore more: Why Spacebase is the best lease accounting software

Schedule a demo

Not ready for a demo? Compare Spacebase against other platforms

FAQ

What is the most important factor when choosing lease accounting software? For most controllers and accounting managers, it is the completeness of the accounting engine, specifically how the platform handles modifications, reassessments, and terminations under ASC 842 or IFRS 16. Initial recognition is straightforward. Post-commencement events are where platforms diverge significantly.

Should lease accounting and lease administration be in the same system? Yes, where possible. When the two functions run on separate platforms, data has to be reconciled manually and discrepancies emerge. A unified system means a lease modification entered by the real estate team automatically triggers the accounting remeasurement workflow. See our breakdown of lease administration vs lease accounting for more.

How long does implementation typically take? For a mid-sized portfolio, 4-8 weeks is typical with a well-resourced vendor. Larger or more complex portfolios with significant data migration may take longer. Spacebase implementations typically run 4-5 weeks.

What should I ask for during a vendor demo? Ask to see a lease modification walkthrough end to end: from the modification event through remeasurement of the lease liability and ROU asset, generation of the updated amortization schedule, and the resulting journal entries. That sequence will tell you more about the platform's accounting depth than any feature overview.

Does Spacebase support GASB 87 and 96? Yes. Spacebase supports ASC 842, IFRS 16, GASB 87, and GASB 96 within a single platform.