How to Choose a Custom Software Development Company: 12 Questions to Ask
Twelve questions that separate reliable software partners from risky ones, what good answers sound like, and a simple scorecard to compare vendors side by side.
Hiring a custom software development company is closer to choosing a long-term business partner than buying a product. The team you pick will shape your software's quality, your budget and, often, how your business operates for years. Yet many companies choose based on a portfolio, an hourly rate and a good first call.
This guide gives you 12 questions to ask every software development company you consider, explains what good answers sound like, and lists the red flags that should make you walk away. Use them in your first calls and when comparing proposals.
Before you start: know what you are looking for
Vendors can only answer well if you can explain what you need. Before contacting anyone, write down:
- The business problem and how you will measure success
- Who will use the software and roughly how many users you expect
- The type of solution: web application, mobile app, integration, AI feature or a mix
- Systems it must connect to (ERP, CRM, accounting, payments)
- Your timeline, budget range and any compliance requirements
- Who on your side will make decisions and be available to the team
A one-page brief is enough. It makes conversations more productive and makes proposals comparable.
The 12 questions to ask
1. Have you built something similar, and can we talk to that client?
Relevant experience reduces risk. "Similar" does not have to mean the same industry. A company that has built complex scheduling systems can build yours even if it has never worked for your exact niche. What matters is comparable technical and business complexity.
Good answer: concrete examples with the problem, approach and outcome, plus at least one reference client you can call. Red flag: only screenshots, no references, or case studies that say nothing about results.
2. Who exactly will work on our project?
Many firms win deals with senior people and staff projects with juniors. Ask for the roles and experience of the people who will actually design, build and test your software, and whether you can meet the lead engineer before signing.
Good answer: named roles, seniority levels and a lead engineer who joins the sales conversation. Red flag: "we will assign the team after signing."
3. How do you understand our business before estimating?
A reliable estimate requires understanding your users, workflows and constraints. Good partners ask many questions, challenge assumptions and often suggest a paid discovery phase for larger projects.
Good answer: a structured discovery process that produces requirements, wireframes or a prototype, an architecture and a detailed estimate. Red flag: a fixed price for a complex system after one 30-minute call.
4. How do you estimate, and what is included in the price?
Ask for a breakdown by feature and by role. Check whether design, testing, project management, deployment, documentation and a warranty period are included. Our guide to custom software development cost explains what a complete budget should contain.
Good answer: transparent hours, assumptions listed explicitly and clear exclusions. Red flag: one total number with no breakdown.
5. What does your development process look like week to week?
You want to see working software regularly, not a big reveal at the end. Ask about iteration length, demos, how priorities are set and how you can follow progress.
Good answer: short iterations (usually one or two weeks), a demo of working software every iteration, a shared backlog and a staging environment you can access. Red flag: "we will show you the result when it is ready."
6. How do you ensure code quality?
Quality problems are invisible at launch and expensive a year later. Ask about code review, automated testing, coding standards and how they handle technical debt.
Good answer: every change reviewed by another engineer, automated tests run on every commit, continuous integration and a definition of "done" that includes tests. Red flag: testing is "done by the developer" or treated as optional extra cost.
7. Who owns the code, and when do we get access?
This is non-negotiable. You should own the intellectual property for code written specifically for you, and you should have access to the source code repository throughout the project, not only after the final payment.
Good answer: IP transfers to you on payment, repository in your account or shared from day one. Red flag: the vendor keeps ownership, licenses the code to you, or refuses access until the end.
8. How do you handle security and data protection?
Ask how the company protects your data during development, how it approaches secure coding and whether it has experience with your compliance requirements, such as HIPAA, PCI DSS or SOC 2 expectations from your customers.
Good answer: concrete practices such as dependency scanning, secrets management, least-privilege access, encrypted backups and security reviews. Red flag: vague assurances with no specifics.
9. How do you communicate, and who is our point of contact?
Communication problems cause more failed projects than technical ones. Ask about time-zone overlap, meeting rhythm, response times and language. Find out who is accountable when something goes wrong.
Good answer: a named point of contact, weekly check-ins, written status updates and direct access to the engineers when needed. Red flag: all communication filtered through an account manager who cannot answer technical questions.
10. How do you handle changes in scope?
Requirements will change. That is normal and often a sign that you are learning. What matters is that changes are handled transparently.
Good answer: a clear change process with the impact on time and cost shown before work starts, and the flexibility to swap features of similar size. Red flag: either "no changes allowed" or no process at all, which usually means surprise invoices.
11. What happens after launch?
Software needs maintenance, security updates and improvements for as long as you use it. Ask what support looks like after go-live, what it costs and what response times are guaranteed.
Good answer: a warranty period for defects, optional maintenance plans with defined response times, and a team that knows your code. Red flag: no plan beyond launch.
12. What would make this project fail?
This question reveals how experienced and honest a partner is. Good teams have seen projects struggle and can name the risks in yours: unclear ownership on your side, a risky integration, an unrealistic deadline.
Good answer: specific risks with ideas to reduce them. Red flag: "nothing, we have never had a failed project."
Red flags that should end the conversation
- A price dramatically lower than every other proposal for the same scope
- Pressure to sign quickly with discounts that expire
- No questions about your business, users or goals
- Refusal to provide references or let you meet the engineers
- Code ownership or repository access that is unclear or withheld
- Promises of an exact fixed price and deadline for a vaguely defined product
- No mention of testing, security or maintenance
Onshore, nearshore or offshore?
Location affects price, communication and legal protection. U.S.-based companies typically charge more per hour but offer time-zone alignment, U.S. contracts and easier collaboration. Offshore teams have lower rates but can require more management, and differences in time zones and expectations can increase total cost through rework and delays.
The right choice depends on how much coordination your project needs and how much time you can invest in managing it. For complex projects with frequent decisions, close collaboration usually matters more than the hourly rate.
A simple vendor scorecard
To compare proposals objectively, score each vendor from 1 to 5 on these criteria and weight them according to your priorities:
| Criterion | Suggested weight | What to look for |
|---|---|---|
| Relevant experience and references | 20% | Comparable projects, satisfied clients you can call |
| Understanding of your needs | 20% | Quality of their questions and proposal |
| Team and seniority | 15% | Named people, experienced lead engineer |
| Process and transparency | 15% | Iterations, demos, reporting, change handling |
| Quality and security practices | 10% | Code review, automated tests, security approach |
| Price and value | 10% | Complete scope, clear assumptions |
| Support after launch | 10% | Warranty, maintenance options, response times |
Notice that price is only one criterion. The cheapest proposal often becomes the most expensive project once missing scope and rework are added.
How to run the selection process
- Shortlist three to five companies based on relevant experience, reviews and referrals.
- Send each the same brief so proposals are comparable.
- Hold a first call and use the questions above. Pay attention to the questions they ask you.
- Request proposals with a breakdown of scope, team, timeline and assumptions.
- Check references and ask former clients what went wrong and how it was handled.
- Start small. A paid discovery phase or a small first milestone lets you test collaboration before committing to the full project.
Frequently asked questions
How many software companies should I talk to?
Three to five is usually enough. Fewer gives you little to compare; more makes evaluation time-consuming without improving the decision.
Should I choose a specialist in my industry?
Industry experience helps, but strong engineering, a good process and the ability to learn your domain matter more. A team that asks sharp questions about your business will often outperform one that has worked in your industry but treats your project as a template.
Is a freelancer a good alternative to a software company?
For small, well-defined tasks, a skilled freelancer can be a great choice. For larger projects that need design, development, testing and long-term support, a company provides continuity and a broader skill set.
What should be in the contract?
At minimum: scope or way of working, pricing and payment terms, IP ownership, confidentiality, warranty, acceptance criteria, change process, termination terms and what happens to the code and data if the relationship ends.
Find a partner, not just a vendor
The best software development companies act like partners: they challenge your assumptions, explain trade-offs in plain language and care about whether the software delivers value after launch.
At Tyrcom we build and operate our own SaaS products, so we know what it takes to keep software healthy for years. If you are evaluating partners, we are happy to answer all twelve questions. Start a conversation or read more about how we work.