In-House Developers, a Development Agency or Freelancers: Which Should Build Your Software?
For a one-off project with a clear end, a development agency or an experienced freelancer is usually the better fit. For a product that is central to your business and changes every month for years, in-house developers usually are. Freelancers suit small fixes and narrow specialist work, and in every case your business should own the accounts, the code repository and the documentation.
None of the three is best in general. Entrant Technologies itself sells custom software development services, so read the agency parts with that in mind; we have tried to state each option's drawbacks plainly.
What do in-house developers, an agency and freelancers each give you in practice?
In-house developers give you continuity, an agency gives you breadth of skills, and a freelancer gives you speed and direct contact. Each strength has a matching cost.
In-house developers
Employees learn your business and your past decisions, and they are there every day. The start is slow, because you must recruit and onboard, and one or two people rarely cover design, backend, mobile, testing and hosting equally well. Someone in the company has to set priorities and judge quality. The cost is fixed: salary, benefits and equipment whether the backlog is full or empty. If your only developer resigns, most of the knowledge leaves too.
A development agency
An agency supplies a team, typically design, development, testing and project management, under one contract, and replacing a person who leaves is its problem. You pay a fixed price for a defined scope, time and materials, or a monthly retainer, and stop paying when the work stops. The drawbacks: you are one of several clients, the people on your project can change, knowledge of your system sits outside your business, and the price includes the agency's overhead and margin.
Freelancers
A freelancer is usually the fastest to start, paid by the hour, day or task, and you talk to the person doing the work. You get one person's skills and availability. You become the project manager and tester, and illness, a holiday or a bigger client can stop your work with no backup.
Which option fits a one-off project, an ongoing product, small fixes or specialist work?
Match the option to how long the work lasts and how many skills it needs.
One-off project
A website rebuild or the first version of an app needs several skills for a few months, then far less. That shape fits an agency, or a strong freelancer if one person can cover it. Hiring employees for work that ends is the expensive route.
Ongoing product
If the software is what you sell, or the business cannot run without it and it changes constantly, in-house developers usually pay off: the knowledge stays with you and priorities can change the same day.
Small fixes and maintenance
A freelancer or a small support retainer suits a few hours a month. Agree in writing how quickly urgent problems are picked up; our guide to software maintenance and support covers what such an arrangement should include.
Specialist work
A security review, a payment integration or a database performance problem is best given to a specialist freelancer or firm for a short, defined engagement. Few businesses need that skill full time.
Can you combine in-house developers, an agency and freelancers?
Yes, and three mixes are common. An agency builds version one and hands over to developers you hire, with a planned overlap. A small in-house team owns the product and brings in outside help for peaks and missing skills such as mobile or design. Or an in-house technical lead, even part time, directs outside developers and reviews their work, which fixes the usual weakness of pure outsourcing: nobody on your side who can judge what was delivered.
Mixes fail when responsibility is unclear. Name one person who decides what gets released and who is called when the system goes down.
What must your business own no matter who builds the software?
Your business must own the accounts, the code repository, the documentation and the rights to the code. That is what lets you change supplier, or lose an employee, without losing the software.
- Accounts. Register the domain, hosting, app store and payment accounts yourself, on a company email address, and invite developers as users. In Apple's developer program the person who enrolls becomes the Account Holder, who renews the membership and accepts legal agreements. On Google Play the account owner is the first registered account and the only one that can have a linked payments profile (both checked October 6, 2026).
- Code repository. Keep the code in an organization your company controls. GitHub says the organization owner role should be limited, "but to no less than two people". If the code sits in a developer's personal account today, an administrator can transfer the repository with its issues, pull requests and wiki.
- Documentation. How the system is structured, how to set it up and release it, which outside services it uses and where credentials are stored.
- Rights to the code. Paying for software does not automatically make it yours. UK government guidance says that when you commission a work, the first legal owner of copyright is whoever created it, and the US definition of a work made for hire does not name computer programs among commissioned works. Have the contract assign the rights to you in writing. This is not legal advice.
What are the common mistakes when choosing who builds your software?
The most common mistake is choosing on hourly rate alone. A lower rate that costs you more hours of managing, or work that has to be redone, is not cheaper.
Others follow a pattern: hiring one in-house developer and expecting a whole team's range; sending an agency a one-line request with nobody available to answer questions or test; relying on a single freelancer for a system the business cannot run without; letting the builder register the domain, hosting and app store account in their own name; and leaving documentation and handover until the relationship is ending.
How do you decide, and what should you do next?
Answer four questions in order, then fix ownership before any work starts.
- How long will the work last? A defined project points to an agency or freelancer; open-ended daily change points to employees.
- How many skills does it need? More than one person can cover rules out a single freelancer or a single hire.
- Who on your side can manage and review it? If nobody can, you need a supplier that provides project management, or a technical lead of your own.
- What happens if the main person is gone for a month? If the business stops, add a second person, a support agreement or better documentation.
- Next, list every account and repository the software depends on, confirm your company owns each, and put code ownership and handover terms in the contract.
Quick answers
Is it cheaper to hire a developer or use an agency?
It depends on how steady the work is. An employee is a fixed cost that pays off when there is full-time work every month for years; an agency or freelancer is paid only while the work runs.
When does a freelancer make more sense than an agency?
A freelancer makes more sense when the work fits one person's skills, such as small fixes, a single feature or specialist advice, and you have time to manage it yourself. An agency fits better when the work needs design, development and testing together.
What is the biggest risk of relying on one developer?
The biggest risk is that knowledge of your system and access to it sit with one person. Reduce it by owning the accounts and code repository yourself, requiring written documentation and having a second person who can step in.
Who owns the code if an agency or freelancer writes it?
Not automatically you. Ownership depends on the contract and the country, so the contract should assign the rights in the code to your business in writing. This is not legal advice.
Can I start with an agency and move to an in-house team later?
Yes. It works when the code is in a repository your company owns from the start, the system is documented and there is an overlap period in which the agency and your new developers work together.
Conclusion
Choose by the shape of the work: employees for a product that never stops changing, an agency for a defined project that needs a team, freelancers for small or specialist jobs, and a mix when your needs span more than one. The ownership points matter more than the choice itself, because they let you change your mind later.
Entrant Technologies builds websites, web applications, mobile apps and custom software. If you are weighing these options for a specific project, you can contact us and we will take a look.