IR35 and the Rise of Offshore Development Partners for UK Businesses

IR35 reform changed the economics of engaging individual contractors in the UK enough that it reshaped how a lot of businesses think about building engineering capacity outside a direct-hire model. Understanding what actually changed — and why it's pushed more UK businesses toward offshore development partners specifically, rather than just fewer contractors overall — is worth being precise about, since a lot of the commentary on this conflates several distinct things.

What IR35 actually did

The off-payroll working rules (the reform most people mean by "IR35" in this context) shifted responsibility for determining a contractor's employment status — and the tax liability if that determination is wrong — from the contractor to the hiring business, for medium and large private-sector organisations. In practice, this meant UK businesses engaging individual contractors through personal service companies took on real compliance risk and administrative burden they didn't have before, on top of contractors themselves often ending up inside IR35 (taxed similarly to employees) without employee benefits — making individual contracting noticeably less attractive on both sides of the relationship.

The practical effect: many UK businesses that used to rely heavily on individual contractors for engineering capacity either brought roles in-house (expensive, slow to hire for) or moved toward engaging services companies instead of individuals — an arrangement that sits outside what IR35 targets, since it's a company delivering a defined service, not an individual working inside the organisation in an employee-like way.

Why that pushed toward offshore specifically

Once "engage a services company rather than an individual contractor" became the more attractive structure, geography became a more open question than it had been. If you're contracting with a company rather than hiring an individual, a UK-based development agency and an offshore development company are structurally similar from an IR35 standpoint — both are services engagements. That parity opened the door for UK businesses to weigh offshore options on their actual merits (cost, talent access, timezone fit) rather than defaulting to UK-based purely to sidestep IR35 complexity with individual contractors.

Combined with the broader normalization of distributed/remote work since 2020, offshore development partners went from a niche choice to a mainstream one for UK businesses that had previously only considered local contractors or a local agency.

What actually changes in the engagement model

Moving from an individual UK contractor to an offshore development company changes more than just geography:

You're contracting with a company, not a person. That typically means more resilience — if a specific engineer is unavailable, the company has a process for continuity, versus a sole contractor whose absence stops the work entirely.

Deliverables and outcomes replace day-rate-for-hours-worked as the framing, which tends to produce clearer scoping conversations upfront — you're agreeing what gets built, not just buying time.

IP assignment and confidentiality terms need the same attention regardless of geography — a well-structured services contract handles this the same way whether the company is in London or Lahore; it's a contract-quality question, not a location question.

What doesn't change, and shouldn't be assumed

Engaging an offshore development company doesn't automatically mean lower quality, and it doesn't automatically mean you lose direct access to the people doing the work — both are functions of which specific company you choose, not an inherent property of "offshore." A good offshore partner gives you direct engineer access and senior-level quality; a bad one adds a communication layer and inconsistent output. The IR35-driven shift toward services companies doesn't remove the need for the same vendor-quality diligence you'd apply to any partner, onshore or offshore.

Practical considerations for UK businesses making this shift

• Confirm the engagement is genuinely structured as a company-to-company services agreement, not an arrangement that could be recharacterized — your legal or tax advisor should review the specific contract structure for your situation.
• Evaluate timezone overlap honestly. Not every offshore option offers meaningful UK-hours overlap — Pakistan (4–5 hours ahead of UK time) does; some other common offshore destinations don't, which matters for how the engagement actually runs day to day.
• Ask about IP assignment and data handling explicitly — a legitimate partner will have clear, standard answers, not vague reassurances.
• Start with a scoped trial project if you're evaluating a new offshore partner for the first time, rather than committing to a large engagement on a first contract.

Where we fit

We work with UK businesses as exactly this kind of services partner — a company engagement, not an individual contractor arrangement, with real UK-hours overlap and direct access to the engineers building your software. See our UK page for specifics, or get in touch if you're evaluating this shift for your own engineering capacity.