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In-House Marketing vs. Marketing Agency: What Should Growing E-Commerce Brands Choose?

In-House Marketing vs. Marketing Agency: What Should Growing E-Commerce Brands Choose?

It depends on your situation. In-house gives control and brand proximity, but requires recruitment, training and fixed salary costs. An agency gives access to a whole team of specialists with documented experience — without overhead. For most e-commerce brands in the growth phase, a specialized agency is the fastest and most cost-effective path to scaling. In-house makes sense when you have enough volume to fill a full-time position and capital to build a team.

Key Takeaways

  • In-house marketing gives full control and deep brand understanding, but requires recruitment, training and fixed salary costs
  • Marketing agencies give access to a team of specialists without having to hire them yourself
  • In-house typically makes sense when a company has enough volume for an internal marketing team
  • An agency is often the fastest path to scaling for growing e-commerce brands
  • Many companies end up with a hybrid model, where the agency handles performance and in-house handles brand

Who is this article for?

  • Considering whether to hire in-house or engage an agency
  • Have tried in-house and are considering switching to an agency (or vice versa)
  • Want to understand the advantages and disadvantages of both models
  • Are growing and need to decide how to scale your marketing
The Two Models: A Quick Overview

What is in-house marketing?

You hire one or more employees to handle your marketing internally. They sit in your company, know your brand from the inside, and work only for you.

What is a marketing agency?

You hire an external agency to handle part or all of your marketing. You get access to a team of specialists without having to hire them yourself.

Both models can work. The choice is about timing, resources and what fits your company's stage.

In-House Marketing: Advantages and Disadvantages

Advantages

  • Deep brand understanding An in-house employee lives and breathes your brand every day. They know the products, the culture and the customers from the inside.
  • Full control You decide 100% what is prioritized. No external agenda or other clients competing for attention.
  • Fast communication No briefs or waiting time. You can turn on a dime and execute the same day.
  • Long-term investment Over time you build internal competence and knowledge that stays in the company.

Disadvantages

  • Fixed costs Salary, pension, insurance, equipment, courses — regardless of whether there's enough work to fill the time.
  • Limited expertise One person can't be an expert in Meta Ads, Google Ads, TikTok, Email, CRO, creative and data at the same time. You end up with a generalist or have to hire a whole team.
Marketing Agency: Advantages and Disadvantages

Advantages

  • Access to a whole team: You don't get one person — you get specialists in Paid Social, Search, Email, CRO, creative, data and strategy. All in one place.
  • Documented experience: A good agency has worked with hundreds of brands and knows what works — and what doesn't.
  • Scalable: Need more capacity? The agency scales up. Quiet period? You don't pay for idle time.
  • Up-to-date knowledge: Agencies live by being ahead. They test across clients and know the platforms' latest features before most.
  • No recruitment: You avoid finding, hiring and training. The agency has the team ready.

Disadvantages

  • Divided attention: You're not the agency's only client. There are others who also demand time.
  • Dependency: If the collaboration ends, you either need to find a new agency or build in-house from scratch.
What Makes Most Sense for Your Business?

When does in-house marketing make sense?

In-house marketing is typically the right choice when:

  • You have enough volume to fill a full-time position (or multiple)
  • You have budget to hire specialists — not just one generalist
  • Your brand requires extremely close, daily involvement in content and communication
  • You have time and resources for recruitment, training and retention
  • You are willing to accept the risk of person-dependency

When does hiring a marketing agency make sense?

An agency is typically the right choice when:

  • You want access to a whole team without hiring
  • You lack internal expertise across channels
  • You want to scale quickly and need experience from day 1
  • You don't have enough volume to fill a full-time position
  • You want flexibility to scale up and down as needed

The hybrid model: The best of both worlds?

Many brands end up with a hybrid:

  • Agency for performance + in-house for brand: The agency handles Paid Social, Search and performance channels. In-house handles brand, content and daily communication.
  • Agency for strategy + in-house for execution: The agency sets strategy, defines targets and optimizes. In-house executes and produces content.
  • Agency as "extended team": The agency functions as part of your team with daily communication via Slack — not as an external supplier you speak with once a month.
Comparison: In-House Marketing vs. Marketing Agency
In-house Agency
Cost structure Fixed (salary + overhead) Variable (retainer/performance)
Expertise breadth Limited to those you hire Full team of specialists
Scalability Requires new hires Flexible capacity
Brand understanding High High (with thorough onboarding)
Risk of resignation High (person leaves) Low (team continues)
External benchmark None Experience from 100+ brands
Time to results Long (training) Short (experience from day 1)
Control Full Shared
Questions You Should Ask Yourself

Before you choose, consider:

1. Do I have enough volume for a full-time position?

If your marketing workload doesn't fill 40 hours a week, you're paying for idle time.

2. Do I have budget for specialists — or only a generalist?

One person can't be an expert in everything. Are you accepting compromises?

3. How quickly do I need results?

In-house requires time for recruitment and training. An agency has experience from day 1.

4. Can I handle the risk if the person resigns?

What happens to your marketing if your one employee disappears?

5. What is my exit strategy?

Do you eventually want to build in-house? Or is an agency a long-term solution?

What Do the Two Models Cost?
In-house Agency

A skilled digital marketing specialist typically costs:

  • 35,000–50,000 DKK/mo. in salary
  • + 15–20% in pension, insurance, equipment
  • + time for recruitment and training
  • + risk of resignation

To cover Meta, Google, Email and creative you need at least 2–3 people — or accept that one person is a generalist.

A specialized agency typically costs:

  • Variable depending on scope and ad spend
  • No overhead, recruitment or training
  • Access to 5–10+ specialists for the price of 1–2 hires
  • Flexibility to adjust as needed

For many growth brands, an agency is more cost-effective than building in-house — especially at the start.

How DVISIONMEDIA Works as an Agency

At DVISIONMEDIA we function as an extension of your team — not an external supplier you hear from once a month.

What that means:

  • Dedicated team with daily communication via Slack
  • You don't get one account manager — you get direct access to the specialists
  • Full-funnel approach: Paid Social, Paid Search, Email, CRO, creative and BI
  • All channels work together in one E-Commerce Operating System
  • Responses within hours, not days

We combine the agency advantages (team of specialists, experience from 1,053+ brands, documented results) with the best of in-house (close communication, deep understanding of your brand, long-term partnership).

Short Summary + FAQ

Short summary

The choice between in-house marketing and a marketing agency depends primarily on the company's size, budget and growth stage.

  • In-house gives control and brand proximity
  • Agency gives access to specialists and faster scaling
  • Many companies choose a hybrid model, where the agency handles performance marketing and in-house handles brand and content

For many growing e-commerce brands, an agency is the most flexible solution in the early growth phases.

Frequently Asked Questions (FAQ)

1. Can I start with an agency and switch to in-house later?

Yes. Many brands use an agency during the growth phase and gradually build in-house when they have the volume and capital for it.

2. What if I already have an in-house employee?

An agency can supplement. Your in-house person handles brand and daily operations, the agency handles performance and scaling.

3. Do I lose control by using an agency?

Not with the right agency. You should have full transparency, access to all data, and daily communication. If you don't, it's the wrong agency.

4. How long does it take to see results with an agency?

Typically 2–3 months for measurable improvements. An agency with experience can execute from day 1 without training time.

5. What does it cost to switch from in-house to an agency?

There is typically a transition period with overlap. But you save on recruitment, training and the risk of being dependent on one person.

Om DVISIONMEDIA

DVISIONMEDIA is a Danish e-commerce growth agency headquartered in Odense. We help established Shopify brands scale profitably through our DVM E-commerce Operating System. Since 2020 we have:

  • Helped 1,053+ e-commerce businesses
  • Managed 202+ million DKK in ad spend
  • Documented 55+ growth cases

Book a free analysis – and see how we can improve your e-commerce profitability.

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Maybe you have some

of the following

questions?

What results can a DVISIONMEDIA client expect?

As your growth partner, DVISIONMEDIA can never promise or guarantee specific results, as there are many external factors at play, such as market reactions, competitor actions and seasonal elements. However, DVISIONMEDIA can ensure that you get a specialized team dedicated to your case, with massive experience growing and scaling some of the largest and most recognized brands, both nationally and internationally.

DVISIONMEDIA works purposefully to optimize your digital presence and uses data-driven strategies to maximize your ROI. With our expertise and extensive experience, you can expect us to deliver innovative solutions and a sustained effort to reach your growth goals.

What does DVISIONMEDIA specifically help with?

At DVISIONMEDIA we help you with the full spectrum of digital execution, from start to finish. Our comprehensive execution includes:

  1. Due diligence: A thorough analysis of your current digital presence and competitive landscape to identify opportunities and challenges.
  2. Complete growth strategies: Development of tailored strategies aimed at increasing your revenue and expanding your market share. DVISIONMEDIA takes all aspects of your business into account to create a holistic growth plan.
  3. Communication strategies: Development of effective communication plans that ensure your message reaches the right audience at the right time, through the most effective channels — including new segments that expand your audience size and revenue potential.
  4. Conversion Rate Optimization (CRO): Implementation of advanced CRO initiatives to maximize your webshop's conversion rate. DVISIONMEDIA uses data-driven methods and user feedback to continuously test and optimize your website.
  5. Content Management Planning: Development of a comprehensive content strategy including ICP analysis, scriptwriting, storyboards, planning and distribution of relevant and engaging content that strengthens your brand identity and attracts your target audience.
  6. Implementation and Execution: We sit in the engine room and handle the practical execution. This includes setting up ads, implementing CRO initiatives, ongoing analysis and optimization, and scaling your marketing efforts.


DVISIONMEDIA ensures that all aspects of your digital strategy are integrated and work together to deliver the best results. The goal is to deliver a cohesive and effective approach that maximizes your ROI and drives sustainable growth for your business.

Who does DVISIONMEDIA work with?

DVISIONMEDIA is the ideal partner if you have big ambitions and want professional management and top-shelf strategies. Our methods have proven to work for some of the country's and the Nordics' largest and fastest-growing brands.

If you want to take your Shopify webshop to the next level and achieve significant growth, DVISIONMEDIA is the right choice for you. Let us help you realize your goals and maximize your business's potential.

What is DVISIONMEDIA's work process?

DVISIONMEDIA's work process is thorough and data-driven, designed to deliver measurable results and healthy growth for your business. Here is an overview of our approach:

  1. Analysis of your current presence: DVISIONMEDIA begins with an in-depth analysis of your current digital presence, including your webshop, traffic data, conversion rate and competitive landscape. This analysis helps identify strengths, weaknesses and growth opportunities.
  2. Growth strategy planning: Based on the initial analysis, DVISIONMEDIA develops a tailored growth strategy. This plan includes clear KPI targets and concrete execution initiatives designed to drive your business forward towards the given objectives.
  3. Building a strong foundation: DVISIONMEDIA focuses on building a solid foundation for your webshop. This includes technical optimization, UX design and implementation of necessary features to ensure a seamless and effective user experience.
  4. Tailoring the content and offer plan: DVISIONMEDIA develops a tailored content plan and offer-creation strategy adapted to your target audience and brand identity. This includes developing engaging content, targeted campaigns and strategic offers that attract and retain customers.
  5. Execution and growth: With the foundation in place, DVISIONMEDIA begins executing the plan. We implement the necessary initiatives, continuously monitor performance and adjust the strategy based on real-time data and feedback. This ensures constant optimization to reach your growth goals and create sustainable growth.


With this structured and comprehensive work process, DVISIONMEDIA ensures that your business achieves market-leading results and lasting success.

What makes DVISIONMEDIA unique?

DVISIONMEDIA approaches every case with a tailored and ultra-hardcore methodology, using a data-driven method to analyze and optimize all aspects of your digital presence. We turn every stone to understand your current situation and your desired objectives, and we close the gap between them with an execution that precisely reflects your goals. We help you brand your business so you achieve the desired DNA, tone-of-voice and market position — with a creative mindset on your content and messaging, combined with data and intelligence. Our unique approach ensures that every strategy is individually tailored to your business's needs.

Our specialized and competent team works closely with you throughout the entire process with daily communication and execution. With a deep understanding of your business and the market, DVISIONMEDIA tailors a strategy and execution that is not only effective, but also innovative and growth-driving. We are here to ensure that your business achieves its growth goals and becomes and/or maintains its market-leading position.

What kind of communication does DVISIONMEDIA offer?

You will experience a close and engaged dialogue and communication throughout the entire process, from the start. DVISIONMEDIA offers open and direct communication, full transparency, so you are always updated on the agenda and not least results and expectations. Our team is available to answer your questions and provide responses on an hourly basis, ensuring you have complete oversight and insight into all aspects of the work, and that you feel comfortable in the collaboration. With DVISIONMEDIA, you get a partner who is dedicated to your success and turns every stone to fulfill the stated and desired objective.

Why should you choose DVISIONMEDIA over other Shopify agencies in Denmark?

DVISIONMEDIA distinguishes itself by delivering one cohesive system — not isolated services. Our E-COM OS (E-Commerce Operating System) combines all marketing channels, your webshop, email, CRO and data in one coordinated setup, where each channel amplifies the others.

We build on age-old marketing principles — human psychology, persuasion, storytelling and awareness stages — and combine them with the AI tools of the future: AI agents, predictive analysis, automation and server-side tracking. It is this combination that creates the synergy effect.

In addition, we have official partnerships with the platforms that drive modern e-commerce:

  • Meta Badged Partner (highest tier)
  • Shopify Selected Partner
  • TikTok Platinum Partner + Official TikTok Case (one of very few in Denmark)
  • Google Partner
  • Triple Whale Gold Partner
  • Klaviyo Gold Partner

With 55+ documented cases and 1,053+ e-commerce bus

What awards, certifications or partnerships does DVISIONMEDIA have?

DVISIONMEDIA has achieved official partner status with the most important platforms for e-commerce:

  • Meta Badged Partner: Highest partner level in Meta's official partner program. Certified based on +$2.6M in ad spend & 98%+ qualifying metrics.
  • Shopify Selected Partner: Official Shopify partner since 2021. Certified to develop, optimize and migrate Shopify and Shopify Plus webshops.
  • TikTok Platinum Partner + Official Case: Platinum status maintained all quarters in 2025. One of very few Danish agencies with an official TikTok case study.
  • Google Partner: Certified Google Ads partner with documented performance on Search, Shopping and Performance Max.
  • Triple Whale Gold Partner: Gold-certified partner with Triple Whale — the leading attribution and analytics platform for e-commerce.
  • Klaviyo Gold Partner: Gold status with Klaviyo for email and SMS marketing for e-commerce brands.
  • Ønskeskyen Certified Partner: Official partnership with Denmark's largest wishlist platform (3.3 million Danish users).

These partnerships are not bought — they are earned through documented performance and quality.

What types of e-commerce brands benefit most from DVISIONMEDIA's services?

DVISIONMEDIA primarily works with established Shopify and D2C brands that already have PMF (Product Market Fit) and validated demand.

The ideal client:
  • Generates a minimum of 200,000–400,000 DKK monthly
  • Has ambitions to scale to 7-figure monthly revenue
  • Is ready to invest in systems and structure — not quick fixes
  • Wants a growth partner that thinks about the whole business, not just ads
We are the right match if you:
  • Are experiencing stagnation and a plateau after previous growth
  • See declining ROAS and rising CAC and CPM
  • Have marketing in silos with no connection between channels
  • Lack visibility into unit economics and what a customer truly costs
  • Want to scale, but don't know what the next step is
We are not the right match if you:
  • Just started and are still looking for PMF
  • Are looking for a cheap freelancer to run a few ads
  • Are not ready to invest in a cohesive system
What is DVISIONMEDIA's onboarding process for new Shopify clients and partners?

Our onboarding follows 6 structured phases designed to build the foundation before we scale. We call it "Foundation before frontend" — 95% of agencies start running ads on day 1. We start by understanding EVERYTHING about your business.

  1. Phase 0 · Day 1–10: Pre-Kickstart Research & strategy foundation. Brand deep-dive, in-depth market research, competitor analysis, audience analysis, historical performance review. The result is a strategy document with complete analysis, precise targets and execution plan.Phase 1 · Day 11–30: Fundamental Setup
  2. Phase 1 · Day 11–30: Fundamental Setup: System foundation & tracking. Triple Whale setup, tracking & attribution, P&L schema, DataFeedWatch, webshop audit, content plan, channel setup and Klaviyo integration.Phase 2 · Month 1: Kickstart
  3. Phase 2 · Month 1: Kickstart: Ads live & fundamental preparation. First campaigns live, creative production, baseline data collection, daily checks, weekly optimization.Phase 3 · Month 2: Data & Analysis
  4. Phase 3 · Month 2: Data & Analysis: In-depth analysis & optimization. BI analyses, creative analysis, audience insights, attribution review, P&L review, prioritized optimization plan.Phase 4 · Month 3: Iteration
  5. Phase 4 · Month 3: Iteration: In-depth iteration on winning elements and activities. Here we scale winning variables and elements, and cut everything underperforming. Creative iteration, audience and segment expansion, funnel optimization.Phase 5 · Month 4+: Scaling
  6. Phase 5 · Month 4+: Scaling: Pedal to the metal & strategic expansion. Aggressive scaling, channel expansion, market expansion (SE, NO, DE, UK), advanced attribution.

The entire process is transparent with fixed cadences: daily dialogue via Slack, weekly optimization, bi-weekly creative strategy, and monthly BI & strategy review.

How transparent is DVISIONMEDIA in communicating results and KPIs?

Full transparency is a cornerstone of our collaborations. You don’t get an account manager who needs to "check on it" — you get direct access to your own dedicated e-commerce team.

Fixed cadences:
  • Daily: Direct contact via Slack. Performance monitoring and anomaly detection. Response within hours, not days.
  • Weekly: Budget shifts, audience adjustments, bid strategy and creative optimization based on the week's data.
  • Bi-weekly: Reporting, creative strategies, performance review and new initiatives.
  • Monthly: Review of finances, KPIs, targets, P&L and next steps for the coming period.
No hidden metrics:

You have access to all data — not just the numbers we choose to show you. We share both what works and what doesn’t. If a campaign underperforms, you hear it from us first — together with a plan to fix it.

Business Intelligence:

Via Triple Whale and our BI setup, you have real-time access to attribution, P&L, creative performance and forecasting. We also set up AI agents for 24/7 monitoring of your account.

Our goal is for you to always know exactly where you stand — and for the collaboration to feel like an in-house team, not an external agency.