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Marketing Insourcing | Building the In-House Team and Drawing the Line with Agencies

Shusaku Yosa

マーケティングの内製化|インハウス体制の作り方と外注との線引き

Set out to bring marketing in-house and the first instinct is to draw the line by function: paid media in-house, production outsourced. That way of cutting it hits a wall in practice, because within paid media itself there are stages you should own and stages you can send outside. This article covers how to draw the line at the level of stages, and how to build a team around it.

Drawing the Line by Function Fails

"SEO in-house, advertising outsourced" is easy to state, but it does not match how the work actually behaves.

Take paid media. It breaks into at least five stages: allocating budget and setting targets, planning the creative, producing the creative, trafficking and configuration, and daily adjustment and reporting.

Of these, only you can decide the budget allocation. There is little reason to produce banners yourself. Deciding to bring paid media in-house does not mean taking on every stage of it.

What happens when the line is wrong

Take a whole function in-house and you absorb work that could have been sent out. Your people's time fills up with execution, leaving none for judgment. The result is a team that insourced and yet produced no improvement in the quality of the work.

Send a whole function out and you have handed over the judgment along with it. Being asked by an agency "where should we put the budget this month?" and having no answer is exactly this.

Sort the Stages into Three

Before drawing any line, sort every stage into these three categories.

Judgment

Deciding what to do, how much to spend, and who to aim at. Budget allocation, prioritisation, defining the target, and the decision to stop something all belong here.

These stages go in-house without exception. The moment they go outside, you lose control of the direction of the business.

Production

Making the deliverable. Banner production, writing, video editing, building landing pages.

This is where the judgment is hardest. Decide on frequency and specialisation. Things produced several times a week belong in-house; large-scale production a few times a year belongs outside.

Execution

Stages where the procedure is fixed and the result is the same whoever performs it. Trafficking, tag placement, transcribing data, producing standard reports.

These are candidates for outsourcing or automation. If your own permanent staff are doing this work, insourcing has become an end in itself.

Worked Examples by Area

Applying the three categories to real work.

Paid media

  • In-house: budget allocation, deciding what to promise, the decision to pause, daily budget adjustment.
  • Can go outside: banner production, video editing, trafficking, formatting reports.

Daily budget adjustment sits in-house because it is judgment. Looking at the numbers and deciding to stop or to push is impossible without understanding the business.

Content

  • In-house: choosing topics, designing the structure, deciding whether to publish, evaluating results.
  • Can go outside: writing, image creation, publishing, setting internal links.

Whether structural design sits in-house changes the quality of the articles substantially. Send that outside and you get generic pieces back.

Data analysis

  • In-house: deciding which metrics matter, interpreting the numbers, deciding the next move.
  • Can go outside: building the measurement setup, implementing dashboards, generating regular reports.

Analysis is said to belong in-house, but strictly it is the interpretation that must. Building the environment is specialised and infrequent, so sending it out finishes faster.

Which Way to Push Production Work

Judgment goes in, execution goes out; neither is in doubt. What causes difficulty in practice is production.

There are three inputs to the decision.

  • Frequency: once a week or more is worth considering in-house. Once a month or less is cheaper outside.
  • Revision rounds: work that gets reworked repeatedly suits in-house, because each round adds waiting time.
  • Need for business knowledge: anything that cannot be made without knowing the product's details or the industry's conventions suits in-house.

All three apply, bring it in. One or none, send it out. For two, the safe sequence is to start outside and take it in once the frequency rises.

Build the Team After the Line Is Settled

The order often runs backwards: hire people first, then work out what to have them do.

Settle the line first and the profile you need becomes concrete.

The first hire is someone who can decide

Since the in-house stages centre on judgment, the first person is not someone who executes but someone who decides. The requirements are choosing the next move from the numbers, and giving precise direction to outside partners.

Hire a strong production specialist first and that person gets buried in execution, leaving the judgment seat empty.

Allow for the effort of managing partners

Outsourcing does not take the effort to zero. Writing the brief, checking progress, reviewing the deliverable, issuing revisions — all of that stays with you.

As a guide, budgeting around 30 percent of the outsourced work as internal management effort keeps the plan from breaking.

When to Revisit the Line

A line once drawn is not fixed. Revisit it on any of these changes.

  • Outsourced production requests have gone from monthly to weekly.
  • Revision cycles exceeding three rounds have become normal.
  • More than half of your people's time is going into work you brought in-house.

If the third is showing, you have taken on too much. Push execution stages back out, or look at automating them.

Frequently Asked Questions

How many people do we need to insource?

With judgment stages alone, one person works. On the premise that production and execution go outside, a single dedicated hire is enough to start. What matters is less the headcount than whether that person can stay focused on judgment.

How do we choose partners?

If what you are handing over is execution, price and turnaround are reasonable criteria. If you are handing over production, look at whether quality stays consistent as you raise the specificity of your direction. One method is to leave something deliberately vague in the first brief and see how well they check.

Where do we start from a full-agency setup?

Take back the judgment stages only. Decide budget allocation and the call to pause in-house, and leave execution with the agency. Even at that stage, the quality of your direction changes and results follow.

Does insourcing reduce cost?

Bringing judgment stages in-house changes little. Headcount cost rises while agency fees fall only by the execution portion. Cost falls when you insource production at volume, but that raises the burden of hiring and training. It is an area where treating cost reduction as the primary goal leads to poor decisions.

Making the Line Work

Splitting by stage means internal and external owners are mixed within a single campaign. Once you cannot see who holds what, the line stops meaning anything.

Xtrategy manages campaign schedules alongside budget and KPIs on a single screen. With ownership and progress by stage in the same place, you can check whether things are running the way the line intended.

Summary

  • Draw the insourcing line by stage, not by function.
  • Sort stages into judgment, production, and execution.
  • Judgment always in-house; execution outsourced or automated.
  • Decide production on frequency, revision rounds, and need for business knowledge.
  • The first hire is someone who can decide, not someone who executes.
  • Budget around 30 percent of outsourced work as internal management effort.

The point of insourcing is not to hold everything yourself. It is to take the judgment back. Start by breaking your currently outsourced work into stages and locating where the judgment sits.

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