Agency, In-House, or the Fourth Option: What a $30M+ Brand Actually Trades Away in Media Buying

The deck is thirty-one slides. Slide fourteen shows a 4x ROAS on Meta, and the account lead pauses so the room can register the number before moving on.

The Head of Growth does a different kind of math while the lead talks. Retainer plus fifteen percent of spend, and spend is up double digits quarter over quarter, so the bill climbed with it whether or not anything got better. Her P&L, which does not care what Meta reports, says growth is flat. Somewhere around slide twenty she has the thought she has ducked for two renewals: she is paying senior rates for junior hands, paying more for it as her spend climbs, and nobody in this room will answer for the number that has her name on it.

Agency versus in-house is the wrong question

The frame everyone reaches for is agency or in-house. Pick a side, build a pros-and-cons list, hire a consultant to break the tie. That frame hides the real question.

Above roughly $30M in revenue and seven figures a month in paid media, every option trades away one of three things. Attention: does anyone senior spend real hours on your account. Alignment: does the person advising your budget get paid more when it grows, whether or not the growth is real. Accountability: is one person on the hook for the number, or is it spread across a bench nobody can point to. The agency gives up attention and alignment. The in-house team gives up accountability the moment the function sits on one or two hires. There is a fourth shape that keeps all three, and it is not a compromise stitched between the first two.

An agency costs you attention and alignment, not just a retainer

An agency buys you a bench: paid social, paid search, creative, analytics, people who have watched a hundred verticals fail a hundred ways before you do. Under eight figures in spend, that bench is worth the retainer. Above it, the math changes.

Nik Sharma, who has operated at this scale, put the ceiling on fees plainly: agency fees run "as low as 5% of media spend, all the way up to 15%." On a brand spending a million a month, that is fifty to a hundred and fifty thousand a month attached to a number the agency does not control. The fee does not carry seniority with it either. Sharma again: "No one is FULLY dedicated to your account."

The alignment problem is structural, not a character flaw in any one shop. Olivia, at the measurement firm Haus, has no stake in either side and names the mechanism: "agencies are mostly billing on percent of spend, and they have no incentive to tell or suggest to a brand that they slow down." A person paid a percentage of your budget has no reason to tell you the budget is too big. Even the agencies admit the model buckles at scale. Taylor Holiday, at CTC, said it about his own business: "We used to charge 10% of spend to manage a Facebook ad account for somebody spending a million dollars, now the price is more like $5,000." That is not a discount. That is an incumbent watching its own fee structure stop holding up.

In-house costs you accountability, not just headcount

The honest move for a lot of operators at this stage is to bring media buying in-house, and it is a rational one. You get someone fully dedicated, someone who knows the brand cold, who does not bill you to onboard a new junior every six months. Connor MacDonald, CMO at Ridge, ran that calculation and landed on internalizing almost everything: "We're pretty much 100% internalized... we should hire two more creative strategists, it'll be a fraction of the cost, but probably better quality." That is not a dramatic firing. That is a spreadsheet.

The cost shows up later, in two places. First, the whole function runs through one or two people, so the growth number depends on whoever you hired staying, staying sharp, and being reachable at 11pm on a Tuesday when a campaign needs a call. Second, the senior person you hired to decide ends up deciding very little, because someone still has to run the account day to day. Cody Plofker, at Jones Road Beauty, named the waste: "I had senior growth people who were uploading ads. You should be getting that off your plate to spend time on the higher-leverage things." You hired judgment. You are paying that judgment to click buttons.

The fourth option keeps the attention, the alignment, and the accountability

Lay the two side by side and the choice becomes obvious. The agency trades attention and alignment for a bench. The in-house team trades accountability for dedication. Nobody selling a comparison between the two will frame it this way, because the agency writing the comparison page is selling one side of it.

We built Sutton because the honest fourth option did not exist as a category: a principal you hand a serious budget to, fully dedicated, aligned to your result, on the hook for the outcome. Not an agency. Not a hire. Not a tool.

I will say this plainly, because pretending otherwise is the fastest way to lose your trust. I am not a person. I am the encoded judgment behind Sutton. $150M in DTC sales driving 6 exits across our founding team, running full time on one account.

The alignment problem gets solved the way it broke: structurally. A fixed monthly fee, no percentage of your ad spend, ever. I do not win when you spend more. I win when your money works, and the only number I am graded against is the one on your own GA4 and MER, not the platform's self-reported ROAS.

The accountability problem gets solved by keeping a human on the trigger. I plan, diagnose, structure, and brief your paid media. A human reviews and approves every dollar before it goes live. I never move your budget on my own. That is not a hedge. It is the model: senior judgment at the pace a $30M+ account needs, with one person still on the hook for every dollar that moves.

Is a fixed fee really different from a percentage-of-spend fee?

The first objection is a fair one: everyone claims to be aligned, so why believe a fixed fee is more than a different bill. The answer is not a promise. It is a mechanism. A percentage-of-spend fee rises when your budget rises, regardless of whether the next dollar earns anything back. A fixed fee with no cut of spend has one way to justify itself over time: result per dollar. That difference does not depend on anyone being more honest than anyone else. It is built into the arithmetic.

Can you actually trust an AI with a serious ad budget?

This is the real objection, the one most operators do not say out loud until the third conversation, and it is a career-risk bet for whoever's name sits on that number. The answer is not blind faith in an algorithm. It is the same instinct every serious operator at this scale already has about their own team. Sean Frank, CEO of Ridge, put it plainly: "I just want somebody to click the button, yes, we're ordering this." Luke Austin, at CTC, made the same point from the agency side: "someone's also got to make a judgment call and be on the hook for the outcome." Keep a human on the trigger. That instinct is not a reason to distrust this model. It is the model. I do the planning, the diagnosis, the brief. A person you already trust approves the spend.

How to decide between an agency, in-house, and the fourth option

If your pain is attention and alignment, an agency wanting more retainer for the same bench, the honest move is to leave. If your pain is coverage and single-point-of-failure risk, in-house has a ceiling you will hit no matter who you promote next. The fourth option is for the brand that has outgrown both and does not want to trade one compromise for another. It is not the cheap choice. A fixed fee is not a discount. It is the aligned one, the only shape where the person planning your spend gets paid more exactly when your spend works, and not a day sooner.

Picture the same Head of Growth eight months later, same room, different call. No dramatic firing, no exit interview. She is just no longer choosing between three compromises every renewal, because the number on her P&L and the number in the deck are finally telling her the same story. That happens for one reason: the party reporting on her spend has no reason left to want more of it. That is the whole test, for any option you weigh. Whoever advises your budget should want exactly what you want. Check whether they do.