How to Vet a Software Development Partner

Choosing a software development company is a significant decision. The right partner delivers working software on a predictable budget. The wrong one leaves you with missed deadlines and code no one else wants to touch. Use these questions to tell them apart.

Questions to ask every candidate

1. Can you show similar projects and introduce us to a past client?
2. Who exactly will work on our project, and will they stay on it until launch?
3. How do you estimate, and what happens when scope changes?
4. How often will we see working software?
5. Who owns the source code, designs and accounts?
6. What happens after launch if something breaks?

Look for a clear process

Good partners start with discovery: understanding your goals, users and constraints before quoting. Expect a written proposal with scope, milestones, assumptions and a timeline. During the project you should see a working demo regularly, ideally every week or two, and have one point of contact who answers clearly.

Red flags

• A fixed price offered before anyone understands your requirements
• Reluctance to transfer source code or admin access
• No testing process or documentation
• Different people on every call
• Pressure to sign a long contract before any work is shown

Contract terms that protect you

Make sure the agreement states that you own all intellectual property, including source code and designs, once paid. Include confidentiality terms, a warranty period for fixing defects, and a clear process for approving changes and their cost. Have your attorney review the agreement before signing.

Fixed price or time and materials?

Fixed-price projects work well when the scope is clear and stable, and they make budgeting simple. Time-and-materials or a dedicated monthly team suits projects where requirements will evolve, such as a new product. Many good partners combine the two: a fixed-price discovery and first release, followed by a monthly team for ongoing improvements.

Start with a small paid engagement

If you are unsure, begin with a short discovery or design phase. You will learn how the partner communicates, how they handle feedback and whether their estimates are realistic, before committing to the full build. A strong partner welcomes this because it reduces risk for both sides.

Check how they hand over

Ask what you will receive at the end: source code in your repository, documentation, admin access to hosting and third-party accounts, and a walkthrough for your team. A clean handover protects you if you ever change partners or bring development in-house.

Communication and time zones

Working hours that overlap with yours make a real difference. Quick answers keep projects moving, and live demos let you steer before small misunderstandings become expensive.

A trustworthy partner is comfortable answering every question here in writing. If they are not, keep looking.