Skip to content

Buyer's guide

Choosing a software company in İstanbul

How many kinds of software company there are, which fits which job, why “best of” lists cannot be trusted, and how to read competence at the proposal stage.

Written for: Companies about to outsource custom software or a mobile appLast updated: 10 min read

In short

How do you choose a software company in İstanbul?

The first step in choosing a software company in İstanbul is not researching firms but defining the type of work: is a product being built, an existing system extended, or an off-the-shelf package adapted? Those three call for different kinds of company. Proposals are then read against the same criteria: source code ownership, post-delivery maintenance, team continuity, and the quality of the answers to architectural questions.

What should you decide first?

Before researching firms, answer this: what type of work is it? There are three, and they call for different competence. Building a new product is work that needs discovery, design and architectural decisions. Extending an existing system requires the ability to work within that system's constraints. Adapting an off-the-shelf package requires knowing the configuration, not building the product.

Proposals gathered without making this distinction cannot be compared, because each firm translates your question into the type it is good at. The package integrator proposes a package, the product team proposes writing from scratch — both are right from where they stand, and neither is answering your question.

Searches this page answers

  • software companies in istanbul
  • how to choose a software development company
  • custom software development firms
  • what to look for in a software agency
  • compare software development quotes
  • software development contract checklist
  • who owns the source code
  • custom software or off the shelf

How many kinds of software company are there?

“Software company” does not describe one thing, and choosing well starts with seeing the distinction.

Four kinds, and the work each suits
KindStrong atWeak at
Enterprise integratorProcess, integration and compliance in large organisationsFast product discovery, small-team work
Product companySells its own product; consulting is secondaryNeeds specific to you — if it is not on the roadmap it does not get built
Boutique engineering teamProducts from scratch, architectural decisions, long-term ownershipVery broad, multi-team programmes
Freelancer poolDefined, narrowly scoped workContinuity, post-delivery ownership, corporate accountability

If your work sits between two of them, let this question decide: will it still be alive after the project ends? If it will, you need a team that can take ownership; if it is a one-off delivery, a narrow solution is enough.

Why can't you trust “best software companies” lists?

Because most of them are written by a software company that sits first on the list. The format spread because it performs well in search; what determines the order is not measured performance but who wrote the piece. The second group is directories that accept paid placement — there, position correlates with visibility budget.

That does not make the lists worthless; they are usable for generating a candidate pool. But as a starting point, not a ranking. Draw the decision from the questions you ask the candidates, not from the list.

How do you tell whether a team is genuinely capable?

Reference count does not show competence; a team that has done the same job fifty times can be a novice on a problem unlike yours. What shows competence is the quality of the answer to a hard question at the proposal stage. Four questions separate them.

  • **“How would you break this work up, and why?”** A good answer contains a rationale, not a list: which piece goes first and what uncertainty that removes.
  • **“What could go wrong here?”** A team that can name the risks up front has done this before. “Nothing will go wrong” is not reassurance, it is a sign of inexperience.
  • **“Who runs this system after delivery?”** A proposal without an answer means a system nobody can touch six months later.
  • **“Which part would you not build?”** A suggestion that narrows the scope rather than widening it is the strongest sign the bidder understands the work.

Which six facts should the brief contain?

Comparable proposals depend on an identical brief. Six facts are enough: the problem to solve (not a feature list), who will use it, the existing systems it must connect to, the reason behind any date constraint, a budget range, and who makes the decision.

Sharing a budget range does not weaken your position, it makes the proposals useful. Without one, every firm prices against its own assumption and you receive three numbers that cannot be compared. With one, the question stops being “how much” and becomes “what can be built for this” — and that answer is the one worth having.

Five clauses to look for in the contract

  • **That source code and design files belong to you**, and which account the code lives in.
  • **That store accounts are opened in your name**; if the app is published from the agency's account, that a transfer will be executed within a defined period on request.
  • **The scope and duration of post-delivery maintenance**: which bug fixes, store-policy compliance and dependency updates are included, and for how long.
  • **Team continuity**: how knowledge transfer works if the people doing the work change.
  • **Acceptance criteria**: the definition of done; which tests passing means delivery is accepted.

None of these raise the price directly, but each one prices a risk. If it is not in the contract the risk stays with you, and it usually surfaces at the worst moment — when the relationship ends.

Sources

  1. 01DORA — DevOps Research and Assessment metrikleriGoogle Cloud · 2024
  2. 02Web Content Accessibility Guidelines (WCAG) 2.2W3C · 2023

Frequently asked

Questions we get asked

Whatever the contract says. There is no default rule, and “we built it but it's yours” is not a transfer document. The contract should state explicitly that source code, design files and documentation transfer to you, and where the code will live. The healthiest arrangement is the repository sitting in your account with the team invited into it — then handover day is not a file transfer but the release of something already yours.

It depends on how settled the scope is, and the right answer is usually both in sequence. Work with a clear scope — a specific integration, a defined module — can be fixed-priced. If what the product should be is still being discovered, a fixed price buries a risk premium in the number and every scope change becomes a negotiation. What works: a short fixed-price discovery and design phase, then either a fixed price or metered time and materials for development once the scope has settled.

Technically no, in practice sometimes yes. Remote work is ordinary in software, and geography does not determine quality. Physical proximity genuinely matters in three cases: projects with field operations, corporate processes that need regular face-to-face decision meetings, and audit requirements in regulated sectors. If none apply, being in the same time zone matters more than being in İstanbul.

Because most proposals are not pricing the same work. One may cover only building the screens, another testing and infrastructure, a third a year of maintenance as well. The only way to make the comparison meaningful is to require the same line items in every proposal: scope, testing, infrastructure, store release, post-delivery maintenance and source code transfer, each written as its own line. Once they are in the same table, the “cheap” proposal usually turns out to be the incomplete one.

Let's walk these steps together

We can stand alongside you while you apply any of this to your own project.