What's the biggest mistake companies make when choosing a development agency?

Evaluating agencies purely on portfolio polish and price, without checking who specifically will work on the project or talking directly to a current or recent client about their actual experience.

How much should I expect to pay for a software development agency?

It varies widely by region, project complexity, and pricing model (fixed price, time & materials, or dedicated team retainer). Get quotes from at least 3 agencies with the same detailed scope to compare like for like — a wide gap between quotes usually signals a difference in scope assumptions, not just pricing.

Should I choose a large agency or a small boutique team?

It depends on your project. Large agencies often bring more process and specialization, which suits complex, compliance-heavy projects. Small teams are often faster and more flexible, which suits early-stage products and MVPs. Match the agency's delivery style to your actual stage, not their size or reputation alone.

What questions should I ask before signing with an agency?

Who specifically will work on my project, what does the QA process look like concretely, what happens if priorities change mid-project, do I own the code and infrastructure, and what's the process when something goes wrong.

How do I verify an agency's portfolio claims?

Ask to speak directly with a current or recent client, not just read a curated case study. Also ask for a live product still in production today so you can evaluate the actual quality of shipped work, not just marketing screenshots.

How to Choose a Software Development Agency | Vetting Checklist

Every software development agency's website says the same things: experienced team, proven process, client-focused. None of that helps you tell a good partner from a bad one before you've signed a contract. This checklist covers what to actually check — the parts of due diligence that separate a good hire from an expensive lesson.

Check Proof of Work, Not Just a Portfolio

A polished case study page tells you what an agency wants you to see. Ask instead for a live product they built that's still in production today, and ask to speak with that client directly — not a quote curated for the sales page. An agency confident in its work will connect you; one that hesitates is telling you something.

Understand Their Pricing Model Before You Need To

Fixed price — predictable cost, but works best only when scope is fully defined upfront; change requests get expensive fast.
Time & materials — flexible as requirements evolve, but requires trust and active oversight on your end to avoid scope drift.
Dedicated team (monthly retainer) — predictable recurring cost, most common for ongoing product development rather than one-off projects.

Red Flags to Watch For

Vague answers about who specifically will work on your project — you want named engineers, not "our team."
No clear communication cadence proposed before you ask for one.
Reluctance to discuss what happens if a senior engineer leaves mid-project.
A quote significantly below every other agency you talked to, with no explanation of the tradeoff.
No questions asked back at you — a good agency pushes back on unclear requirements instead of just agreeing to build whatever you describe.

“The best signal an agency will manage your project well is how well they manage the sales conversation — do they ask sharp questions, or just say yes to everything?”
— Manbal Engineering Team

Questions Worth Asking in the First Call

Who exactly will be on my team, and what's their experience with this specific type of project?
What does your QA process look like, concretely — not "we test thoroughly," but what tools and process?
What happens if my priorities change mid-project?
Can I see the code and infrastructure you set up, or does it stay locked to your tooling?
What's your process when something goes wrong — a missed deadline, a bug in production?

Match the Agency to Your Stage, Not Just Their Reputation

A large, enterprise-focused agency with an impressive client logo wall isn't necessarily the right fit for a scrappy MVP that needs to ship in six weeks — you may end up paying for process overhead your project doesn't need. Conversely, a small boutique team optimized for speed may not be the right fit for a large, compliance-heavy enterprise system. Match the agency's actual delivery style to what your project needs, not to whichever name is most familiar.