TLDR: Most brands move PPC in-house to save on management fees, but the real control they’re chasing isn’t guaranteed just by bringing the work in-house. What they lose is often invisible day-to-day: Google Premier Partner with Ad platforms premier partner and new feature access, 3rd party paid tier tools like SEMrush and Similarweb, and the cross-account pattern recognition an agency builds from running hundreds of accounts.
What brands think they’ll gain by going in-house
Ask most ecommerce brands why they’re considering bringing PPC in-house, and the answer usually starts with cost. When management fees stop lining up against the profit a campaign is generating, in-housing looks like the obvious fix.
Cost isn’t the only driver. Brands also expect to cut out the back-and-forth that comes with managing an external partner, faster decisions, fewer approval cycles, less time explaining business context to someone outside the building.
The other big motivation is ownership of knowledge. Work with an agency for a few years and then end the contract, and everything that team learned about your account, what’s been tested, what worked, what didn’t, normally leaves with them. Bringing PPC in-house is, in theory, a way to keep that thinking inside the business for good.
These are legitimate reasons to consider a change. The problem is what tends to get left out of the decision: what a brand actually gives up the moment specialist management stops.
What brands lose when they go in-house
The most immediate loss is access. Agencies with Google Premier Partner status get early access to new features and beta tests that brands managing their own accounts simply don’t see.
Third party tools like SEMrush and Similarweb have free versions, but the more advanced features that actually shape strategy sit behind a cost subscription that agencies spread across dozens of client accounts. For a smaller brand running PPC solo, justifying that spend for one account is a much harder sell, so the insight simply disappears.
The bigger loss is harder to quantify – pattern recognition. An agency running PPC across many accounts spots industry-wide shifts almost immediately. A seasonal dip caused by weather, a platform-wide drop in performance, a trend that’s affecting every account in a sector, an agency has seen it before and knows not to panic. A single in-house team, looking only at their own account’s data, doesn’t have that context. A dip that’s industry-wide can look like a crisis that needs immediate, reactive changes.
An agency specialist running PPC across several sectors has already tried the bid strategy change, the feed restructure. The new campaign type or new features, often more than once, on accounts of very different sizes. So when they recommend a test, it isn’t a hunch. It comes with evidence of what happened last time, a realistic view of the upside and a sense of how long it takes to read. That gives everyone more confidence to commit budget to it. An in-house team has to learn those same lessons one account at a time, and every lesson is paid for out of live spend.
There’s also a resourcing reality that’s easy to underestimate. Ecommerce PPC means a constant stream of promo changes, and one in-house hire, however capable, can struggle to keep pace with everything an agency team would normally split across several specialists.
What brands get wrong when they stay with an agency
The flip side matters just as much. Plenty of the friction that pushes brands towards in-housing is about how the relationship is set up in the first place.
The single biggest issue is communication. Agencies need to understand what’s happening in the business: profit margins, upcoming promotions, changes in strategy. When that information doesn’tget shared, or arrives at the last minute. The agency ends up reacting instead of planning and the results suffer. Not because the strategy is wrong, but because it’s being executed without the information it needed.
A second recurring problem is unclear KPIs. Some brands haven’t worked out what success looks like for their own business before handing the brief to an agency. Which makes it very hard for that agency to be judged fairly against a target that was never properly defined.
A third is ownership of adjacent work, particularly creative. Whether the brand handles ad creative in-house, uses a third party, or expects the agency to brief and manage it needs to be agreed explicitly and early. Left unclear, work either gets duplicated or missed entirely.
None of these are agency failures in the traditional sense. They’re more like relationship failures and they’re entirely avoidable with clearer setup from day one.
The case for supported in-housing
The honest answer to “agency or in-house” is often neither, or rather, both. Supported in-housing lets a brand build capability internally while keeping the agency relationship in place in a lighter, more strategic form.
In practice, that can look like training an internal hire from scratch, starting with the basics, building up to day-to-day account management. While the agency stays involved on strategy, testing direction and the parts of the job that come from years of experience rather than a training plan.
It’s a flexible model and some brands use it as a full transition plan, training a hire until they’re fully confident. Then stepping back completely. Others keep it as an ongoing hybrid, with the in-house team handling day-to-day management and the agency providing strategic oversight. Premier Partner access and cross-account insight indefinitely.
Either way, the brand keeps what in-housing promises, control, retained knowledge, lower day-to-day cost without losing the specialist access and pattern recognition that pure in-housing gives up.
How to decide what’s right for your brand
There’s no universal budget threshold that tips a brand from agency to in-house. Anyone telling you there is one is oversimplifying it. What matters is a combination of three things: budget, team confidence, and channel complexity.
- Budget: hiring even a junior PPC specialist full-time typically starts at an entry-level salary, before recruitment, training, and management overhead are added
which needs to be weighed against agency fees that scale up or down with the amount of work required. For smaller accounts, an agency’s flexibility is usually the more efficient option.
- Team confidence: a brand with an experienced in-house hire, multiple channels already running well, and genuine confidence in that person’s judgement is in a strong position to manage some or all of it directly.
- Channel complexity: brands running several paid channels at once benefit more from an agency’s breadth, simply because no single hire can specialise in everything at once.
Supported in-housing is worth serious consideration before making the leap outright. And if a fully in-house team later finds performance slipping in a particular area. Coming back for hybrid support, or having that team trained up properly, is always an option.
The right structure is the one that matches where your team. Budget and ambitions sit today and that can change as your business does. Thinking through whether in-housing, agency support, or something in between is right for your PPC? Get in touch with our team to talk it through [email protected].
