In-House vs Agency vs Offshore Dev: True Costs

The comparison is almost always made wrong. Someone puts a developer's salary next to an agency's day rate next to an offshore hourly rate, picks the smallest number, and discovers eighteen months later that the cheapest option cost the most. Here is how to compare the three honestly, including the costs each one hides.

Comparing Apples to Apples: Total Cost Framing

A salary is not a cost. The cost of an in-house engineer is salary plus employer taxes, benefits, equipment, software licences, office or remote allowance, recruitment fees, management time, and the productivity you lose during hiring and onboarding. Depending on the market, fully loaded cost commonly runs 1.25–1.4× base salary, before you count the months the role sat open.

An agency rate is not a cost either. The real number is the rate times the hours actually needed, plus your own time spent managing the relationship, plus whatever you pay later for knowledge that left with them.

The only fair comparison is total cost to reach a working outcome, over the period you care about — usually two to three years, not one sprint.

In-House: Real Fully-Loaded Costs

What you pay for beyond salary:

• Employer contributions, benefits, insurance, equipment, tooling
• Recruitment — agency fees commonly 15–25% of first-year salary, or months of your own time
• Time to hire, which in most markets runs one to four months for a senior engineer
• Ramp-up, during which output is well below steady state
• Management overhead, which becomes a real job past three or four people

What you get: deep context that compounds, availability, culture, and a team whose incentives are genuinely aligned with the product rather than with billable hours.

Where it goes wrong: hiring for a project rather than a product. A team of five is the right answer when there is three years of roadmap. It is the wrong answer when there is one product to launch and then maintain, because you cannot scale down without redundancies, and idle senior engineers are the most expensive line item in any business.

Agency: What You Pay For

What you pay for: a team that already exists, already works together, and does not need to be hired. Senior people on day one, no recruitment cost, no redundancy risk, and a fixed end date.

What you actually get, if you choose well: speed to start, breadth across design, engineering and DevOps without hiring three people, and pattern recognition from having built similar things before.

Where it goes wrong:

• Knowledge leaving. If handover is an afterthought, your product becomes unmaintainable the day the contract ends. This is the single biggest agency risk and it is entirely preventable — insist on your repository, your cloud accounts, and documented handover from sprint one.
• Junior work at senior rates. Big agencies sell you the senior team in the pitch and staff the project with juniors. Ask who specifically will write the code and whether you will meet them.
• Incentive misalignment on time-and-materials. An agency billing hourly has no structural reason to be efficient. Scope-based pricing fixes this; see fixed price vs time and materials considerations when you compare contracts.

Offshore: Savings and Hidden Costs

Offshore means engaging a team in a lower-cost market — South Asia, Eastern Europe, Latin America, South East Asia. Rate differences against the US, UK or Gulf markets are real and substantial, often 50–70% for comparable seniority.

The savings are genuine. They come from cost of living, not from worse engineers. The best engineers in Lahore, Warsaw or Buenos Aires are as good as the best anywhere, because the skill is not geographically distributed.

The hidden costs are also genuine:

• Timezone. This is the one that actually determines whether it works. A 10–12 hour gap means one exchange per day: you ask a question, you get an answer tomorrow. A one to three hour gap means a normal working relationship. Assess the overlap in hours, not the distance in miles.
• Communication overhead. Written English quality matters more than accent. Ask to see written specs and pull request comments, not just a sales call.
• Context loss. Offshore teams brought in late, with a specification thrown over the wall, produce exactly what was specified and nothing that was meant. Teams involved in scoping do not have this problem.
• Legal and payment friction. Contracts, IP assignment, currency, invoicing. All solvable, all worth checking before you sign rather than after.
• Turnover. In hot markets, engineers move. Ask about retention and about who else on their side knows your codebase.

Where it goes wrong: treating offshore as a commodity and selecting on price. The bottom of the offshore market produces code that costs more to fix than to rewrite. The gap between the cheapest and the best offshore option is far wider than the gap between offshore and onshore.

Hybrid Models That Actually Work

Most companies past the earliest stage end up with a mix:

• In-house product lead + external engineering. One person who owns the product and context permanently; the build capacity flexes. This is the most common successful arrangement for small companies.
• Agency builds v1, in-house takes over. Works well when handover is designed in from the start — your repository, documentation, and a deliberate overlap period. Works terribly when it is an afterthought.
• Core in-house team + external specialists. You hire for what you do constantly and buy in what you need occasionally — mobile, AI, design systems, security review.

Matching the Model to Your Stage

Pre-product / validating: agency or offshore. You do not yet know what you are building, and hiring for an unvalidated product is the most expensive possible bet. See validating your idea first.

Building v1: agency or offshore, with a strong in-house product owner. Speed matters more than permanence, and you want the build to end.

Post product-market fit, active roadmap: start hiring in-house. Context now compounds, and you have enough certainty to justify permanent headcount.

Established product, occasional projects: in-house core, external for spikes and specialisms.

The Question That Settles It

Ask: will there still be a full-time job's worth of this work in two years?

If yes, hire. The context compounds and the fully loaded cost wins over time. If no, buy it in — an agency or offshore team that ends cleanly is cheaper than a permanent hire you have to let go, and far cheaper than a senior engineer with nothing to build.

We are the offshore-and-agency option in that comparison, so treat this as informed rather than neutral — but we will tell you on a first call when hiring is the better answer for your situation. We are a small senior studio in Lahore working with clients across the Gulf, the UK and Europe; the about page covers how we work and what we commit to, and custom software development covers the engagements themselves.

Book a free 30-minute call and we will help you work out which model fits — including when it is not us.