How to Plan a Custom Software Project: A Practical Checklist

Custom software can remove repetitive work, connect systems, support a specialized service, or give an organization more control over an important workflow. It can also become expensive and difficult to support when the problem, users, data, and operating responsibilities are not clear.

This checklist is designed for business owners, managers, and project leads preparing for a first conversation with a software team. You do not need to arrive with a technical specification. You do need a shared understanding of the work the software should improve.

1. Start with the business problem

Describe what happens today, where the process breaks down, and why the problem matters. Avoid starting with a feature list. A feature has value only when it helps a person complete a task, make a decision, or reduce a known risk.

Useful discovery notes include:

  • The event that starts the workflow.
  • The people, departments, customers, or partners involved.
  • The information each person needs at each step.
  • Delays, duplicate entry, manual handoffs, and common errors.
  • The measurable outcome the new system should improve.

A good problem statement is specific enough to test. For example: “Dispatchers re-enter emailed orders into two systems, and drivers cannot see a verified change after leaving the terminal.” That is more actionable than “We need a dispatch app.”

2. Identify users, roles, and authority

List the user groups that will interact with the system. For each group, record what they can view, create, approve, correct, export, or administer. Treat menu visibility and actual permission as separate decisions.

Also identify actions that need a durable audit trail. A useful audit record explains who did what, when it happened, what record was affected, and—when appropriate—what changed.

3. Map the data and its source of truth

Every important field should have an owner and an authoritative source. Note whether the value is entered by a user, imported from another system, calculated, received from a device, or copied from a historical record.

Ask these questions early:

  • Which existing records must be migrated?
  • Which identifiers must remain stable?
  • What validation rules prevent incomplete or conflicting data?
  • How long must records and attachments be retained?
  • Who can correct historical information, and how is that correction logged?

Data migration is usually its own workstream. A sample export is more useful than a screenshot because it reveals actual formats, gaps, duplicates, and relationships.

4. List integrations and notification paths

Document systems that the application must call or receive information from: accounting platforms, payment providers, maps, email or SMS services, identity providers, hardware, customer portals, and reporting tools.

For each integration, define the trigger, information exchanged, failure behaviour, retry rules, and support owner. Notifications need the same care. Specify the exact recipient rule, the event that creates the message, and what happens if delivery fails. Do not use a broad “send to everyone” fallback when recipient scope matters.

5. Define security and operational requirements

Security is not a feature added at the end. Discuss authentication, permissions, sensitive data, encryption, logging, backups, recovery, dependencies, and software updates during planning. The OWASP Application Security Verification Standard is a useful reference for turning general security concerns into testable requirements.

Operational requirements should also cover expected availability, performance, peak usage, supported devices and browsers, monitoring, error handling, and the process for urgent fixes.

6. Choose a focused first release

The first release should support a complete, valuable workflow for a defined group of users. It does not need to reproduce every exception and report in the current process.

Separate requirements into:

  • Required for launch: the workflow cannot operate safely without it.
  • Important next: useful after the core workflow is stable.
  • Explore later: needs more evidence, data, or user feedback.

This makes estimates clearer and creates room to learn from real use before committing to lower-value complexity.

7. Define acceptance before development is complete

Agree on how each important workflow will be reviewed. Acceptance criteria should describe observable behaviour, including permission boundaries and failure cases—not only the successful path.

Plan for representative test data, user review, device and browser coverage, integration testing, and a controlled way to record decisions. If a project replaces an existing system, define how the two will run during transition and what evidence is required before the old process is retired.

8. Plan launch, support, and ownership

Before launch, identify the production environment, domain and certificate ownership, backups, monitoring, deployment method, administrator access, documentation, and the people responsible for support. Decide who can approve a release and how a rollback will work.

After launch, track support requests, errors, usage, and business outcomes. A maintenance plan should include security updates, dependency review, backups, recovery tests, and a process for prioritizing changes.

What to bring to a discovery meeting

  • A one-page description of the current workflow and its main problems.
  • A list of user groups and decision-makers.
  • Sample forms, reports, exports, or screenshots with sensitive information removed.
  • A list of systems, devices, and vendors that must integrate.
  • Known deadlines and the reason behind each deadline.
  • Questions about scope, delivery, security, support, and ownership.

NAM Software Solutions provides custom software development in Winnipeg, including connected cloud and mobile systems. If you are preparing a project, share the workflow and goals to begin a focused consultation.