Third-party due diligence software exists to close the gaps created by manual or siloed processes. It centralizes the collection, assessment, and ongoing monitoring of information about the vendors and service providers a financial institution relies on.
This guide helps banks or credit union scope the category before shortlisting tools. It explains where due diligence sits in the third-party risk management lifecycle, the capabilities worth evaluating, and how those capabilities line up with regulations.
See our complimentary regulatory CMS evaluation checklist for more information on this topic.
Where due diligence fits in the third-party risk management lifecycle
Due diligence is one stage of a longer lifecycle, and understanding that placement helps you scope the software correctly. The June 2023 Interagency Guidance on Third-Party Relationships, issued jointly by the OCC, the Federal Reserve, and the FDIC, describes the third-party risk management lifecycle as continuous rather than a one-time review.
That lifecycle has five stages:
- Planning
- Due diligence and third-party selection
- Contract negotiation
- Ongoing monitoring
- Termination
Due diligence is where an institution assesses a prospective third party's ability to perform the activity and manage the associated risks before entering the relationship. The guidance is explicit that due diligence and monitoring should continue across the life of the relationship, scaled to the risk and criticality of the third party.
Software supports two of these stages in particular:
- It carries the initial due diligence, where the institution collects questionnaires, financials, and control evidence and assesses them against a risk profile.
- It carries ongoing monitoring, where the institution tracks whether a third party's risk posture has changed since onboarding.
The other stages, such as contract negotiation and termination, are supported through document storage and workflow, but the collection and monitoring work is where dedicated due diligence software earns its place.
Capabilities to Evaluate in Third-party Due Diligence Software
The following capabilities are the ones a bank or credit union should weigh against its own risk profile when evaluating third-party due diligence software. The table below maps the five most relevant capabilities.
| Capability | What it does | Why it matters for due diligence |
|---|---|---|
| Centralized inventory and tiering | Maintains one record of every third party, classified by criticality | Scales due diligence to risk and proves the population is complete |
| DDQ automation | Sends, collects, and scores due diligence questionnaires by tier | Removes email chasing and standardizes how evidence is gathered |
| Document and evidence management | Stores control evidence and tracks expiry dates | Keeps SOC 2 reports, financials, and insurance current and retrievable |
| Continuous monitoring | Tracks cyber, financial, and adverse-media signals between reviews | Surfaces risk changes before they become findings |
| Reporting and dashboards | Produces board and examiner views of the program | Turns the evidence trail into documentation on demand |
Beyond these five, workflow and approval routing, contract and SLA tracking, and integration with the broader third-party risk or GRC program determine how well the tool fits an existing operation.
An example of how these capabilities are packaged, Predict360 includes a third-party risk module that centralizes vendor inventories, tiers vendors by criticality, automates due-diligence questionnaires, and generates monitoring and board reports.
How Software Maps to OCC and FFIEC expectations
Both the OCC and the FFIEC expect risk-based due diligence scaled to the criticality of the third party, sound documentation of the assessment, and ongoing monitoring across the relationship.
Risk-based scaling maps to the inventory and tiering capability. Examiners want to see that a critical vendor received deeper diligence than a low-risk one, and a tiered inventory demonstrates that judgment was applied consistently.
The expectation is that the institution can produce the assessment, the evidence behind it, and the record of who did what. Ongoing monitoring maps to the continuous monitoring capability, which supplies the cadence and the change alerts.
Two companion articles cover the regulatory backdrop: The OCC third-party risk management expectations explain how the agency supervises these relationships. The FFIEC third-party risk management guidance untangles the FFIEC's coordinating role and the IT Examination Handbook booklets its examiners use.
Manual vs Software-Supported Due Diligence
Comparing manual and software-supported due diligence comes down to repeatability. Manual due diligence programs tend to break in predictable places:
- Reviews slip
- Evidence fragments
- The diligence applied to each vendor varies
Software makes the process repeatable with the same tiering logic, questionnaire depth, and monitoring cadence applied to every vendor, with a timestamped trail behind each step.
For an institution with a handful of low-risk vendors, a disciplined manual program may be enough. However, for one managing dozens of high-risk relationships under regular examination, the case for software is making a risk-based program examinable.
Evaluating and Implementing a Due Diligence Platform
Before comparing tools, define your third-party inventory and the tiering model you will use to classify criticality. Next, map your current due diligence workflow, note where it breaks, and match capabilities to those gaps.
Budget honestly for the data migration and decide what history you carry over and what you leave behind. Define the monitoring cadence you want the tool to enforce, tier by tier. Teams formalizing that step often find it useful to review how to use third-party risk monitoring software.
Finally, weigh integration with the systems you already run. Due diligence software that connects to your broader third-party risk or GRC program keeps the inventory and the evidence in one place.
Third-party due diligence software centralizes the collection, assessment, and monitoring of information about the vendors a financial institution depends on, and it does so in a way that makes a risk-based program repeatable and examinable.
Frequently Asked Questions
What is a due diligence questionnaire (DDQ)?
A due diligence questionnaire is the structured set of questions an institution sends a prospective or existing third party to assess its financial health, security controls, compliance posture, and business continuity. Depth typically scales with the vendor's risk tier, so a critical provider answers a longer questionnaire. Due diligence software automates sending, collecting, and scoring the DDQ against templates.
How does due diligence software support continuous monitoring?
Continuous monitoring tracks whether a third party's risk posture has changed between formal review cycles. Due diligence software supports it by ingesting signals such as cybersecurity ratings, financial-health indicators, and adverse-media, sanctions, and watchlist screening, then alerting the team when something shifts. This closes the gap that manual programs leave when a vendor is reviewed at onboarding.
How does due diligence software help with OCC and FFIEC exams?
Examiners generally expect risk-based due diligence scaled to criticality, documented assessments, and evidence of ongoing monitoring. Due diligence software produces those artifacts as a byproduct of the work: a tiered inventory, a stored evidence trail with an activity log, and a monitoring record. That lets an institution respond to an examination request with documentation.
Does a small bank or credit union need dedicated due diligence software?
It depends on the size and risk of the third-party portfolio. An institution with a handful of low-risk vendors may run a disciplined manual program adequately. One managing dozens of critical and high-risk relationships under regular examination usually benefits from software. The deciding factor is whether the program can stay repeatable and examinable at your scale.
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- 1Where due diligence fits in the third-party risk management lifecycle
- 2Capabilities to Evaluate in Third-party Due Diligence Software
- 3How Software Maps to OCC and FFIEC expectations
- 4Manual vs Software-Supported Due Diligence
- 5Evaluating and Implementing a Due Diligence Platform
- 6Frequently Asked Questions