The End of “Outsourcing by Default”? Why Some UK Public Sector Bids May Never Reach the Market 

Some future bids will not be lost. 

They will vanish before they are ever published. 

That is the quiet implication of the UK government’s new Public Interest Test, announced in March 2026 in the Cabinet Office’s Modernising public procurement: backing British businesses and building a fairer economy. 

At first glance, the measure looks technical. It sits among wider procurement reforms on social value, SME access, and national interest. But it may prove more important than many of the more visible changes. Not because it alters how bids are scored, but because it changes an earlier question: 

should the service be outsourced at all? 

A test before the market 

Under the new approach, departments procuring outsourced service contracts above £1 million must assess whether those services are better delivered in-house, externally, or through a hybrid model. The government says the reform will cover more than 95% of central government procurement spend by value. The policy is set out in the Cabinet Office announcement and developed further in the consultation materials on Public Procurement: Growing British industry, jobs and skills. 

This is a fundamental shift. It changes what “competing” even means in public sector bidding. For many years, the practical assumption in much of public procurement was that services already delivered externally would, in due course, be reprocured externally. Competition took place within the market. The new test challenges that starting point. 

In its own language, government is moving towards a model in which procurement is not simply about buying from the market, but about determining the best delivery model in the public interest. 

Not an isolated idea, but a stronger one 

The idea did not appear from nowhere. In the 2025 consultation, the government proposed a similar test for major service contracts and described it as a “quick and proportionate” assessment of whether work could be delivered more effectively in-house. The consultation suggested a broader set of criteria than price alone, including value for money, quality, capability, accountability, and wider economic and social value.  

What changed between consultation and announcement is revealing. The proposal became more concrete, more politically charged, and more expansive in scope. The threshold moved lower. The policy was paired with requirements for major departments to publish insourcing strategies. And the wider narrative became more explicit: government should no longer outsource by habit, but only by decision. 

That is why the reform matters. It is not simply another procedural checkpoint. It is an attempt to change the default setting. 

A reform with support, and unease 

The government’s response to the consultation suggests qualified support rather than consensus. A majority of respondents supported the Public Interest Test, but a sizeable minority did not. Supporters tended to see it as a sensible way to force more disciplined thinking about delivery models. Critics worried it might create another layer of process without materially improving decisions. 

That tension is not trivial. In theory, few would object to government asking whether services are best delivered internally or externally. In practice, much depends on how serious the exercise becomes. If the test is rigorous, departments will need evidence, capability, and confidence to make a defensible decision. If it is superficial, it risks becoming another paper exercise.

Even so, the direction of travel is clear. The government’s announcement, the consultation response, and subsequent commentary all point the same way. Civil Service World capture the significance neatly when it describes the measure as an attempt to end “outsourcing by default”. 

Why this matters more before the bid than during it 

For bidders, the most important feature of the reform is where it sits in the timeline. 

It acts before the procurement begins. 

Before specifications are finalised. Before prior information notices. Before supplier days. Before the tender documents appear. At that earlier stage, the decisive question is no longer merely who should win? It is whether the market is needed at all. 

That changes the nature of pipeline risk. 

A conventional lost bid is painful but visible. The opportunity existed. The market engaged. A decision was made. The Public Interest Test introduces a different problem: some opportunities may never reach that point. They may be retained in-house, redesigned, partially insourced, or paused while departments reconsider the right delivery model. 

In other words, suppliers are no longer competing only against each other. 

They are competing, at least implicitly, against insourcing. 

Imagine a £20m facilities management contract. 

Previously, the question was simple: which supplier wins? 

Now there’s a new question first: should this even be outsourced? 

If the answer is no, no one bids. No one wins. The opportunity disappears. 

A broader and harder value case 

This has consequences for how suppliers think about value. It may no longer be enough to say, once a tender is live, that you are compliant, competitive, and capable.

The more fundamental case may need to be made earlier: 

• Why is external delivery better than in-house delivery? 
• What capability does the market bring that the department does not already have? 
• How does outsourcing improve outcomes, resilience, or speed? 
• Where is the evidence that risk is reduced rather than transferred badly? 
• What public value is created over the life of the service, not merely at contract award? 

These are not entirely new questions. Good suppliers have always tried to answer them. But the reform makes them more central, and more explicit. 

The Public Interest Test therefore tilts the balance of advantage towards firms that can do more than respond well. It favours those that can help shape the underlying case for external delivery before the procurement formally starts. 

What smart bidders should do next 

1. Stop treating pre-bid as optional

If you’re not shaping early thinking, you’re already behind. Many bid teams still think of pre-bid as a warm-up to the real work. That is no longer sufficient. In some cases, pre-bid may be the real work. 

2. Prove why outsourcing should exist at all 

Not just why you should win, but why the contract should be external in the first place. Assertions will not do. Suppliers will need clearer, harder arguments about whole-life value, specialist capability, delivery risk, mobilisation speed, service continuity, and outcomes. The more a department is required to defend outsourcing, the less useful generic sales language becomes. 

3. Break the wall between BD and bid teams

Business development, policy, delivery, and bid teams will need to work more closely together. This is not simply about crafting better submissions. It is about understanding where an authority is under pressure, what internal options it is weighing, and how external delivery can be justified in language that makes sense to commissioners as well as procurement teams. 

4. Be more ruthless about what you bid for

Late-stage, cold bids just got even less likely to win. If fewer opportunities make it to market, qualification matters more. Chasing late-stage tenders without any earlier engagement may become still less attractive than it already was. 

None of this implies anything improper. The point is not to blur the line between engagement and influence. It is to recognise that the key decision may now happen earlier, and to prepare accordingly. 

What remains unclear 

There is still much we do not know. The broad policy intent is public. The implementation detail is less so. 

The open questions are practical ones. How exactly will departments conduct the test? Who signs it off? How consistently will it be applied across government? Will the underlying reasoning be visible to the market? Will suppliers be able to understand, in any structured way, why certain services were judged better suited to in-house delivery? 

Those details matter. They will determine whether the Public Interest Test becomes a real change in procurement behaviour or a modest addition to governance paperwork. 

For now, however, the larger point stands. 

A quiet change with large consequences 

The Public Interest Test does not abolish outsourcing. Nor does it guarantee a sweeping return to in-house provision. 

But it does something subtler, and perhaps more important. 

It moves the decisive moment. 

For years, bidders have focused on the contest once the tender appears. The new reality is that, in at least some cases, the decisive contest may happen earlier — when government decides whether there should be a tender at all. 

That is a quieter change than most procurement reforms. 

But for suppliers, it may turn out to be the one that matters most. 

Want to learn more? Read Part 2: What the Public Interest Test Looks Like in Practice, and Where Suppliers Actually Fit