Every founder asks the question at least once: hire a paid media agency or do it themselves? The answer depends on the stage of the business, the size of the advertising budget, the complexity of channels, and how much your time is worth elsewhere.
This article walks through four ways a business can run paid media (do-it-yourself, freelancer, in-house, agency), five concrete buyer scenarios with the recommendation that fits each, what an agency actually delivers in a month, the checklist for when you are ready to hire, and the situations where you should not hire anyone.
It is written as an honest decision framework. The conclusion, in some scenarios, is not to hire anything.
Four ways to run paid media
Each model has a real cost different from its visible cost. The advertising budget (money going to Google or Meta) is the same regardless of who manages it. The management cost is what differs.
Do-it-yourself. The founder or a team member runs the campaigns. Visible cost: zero. Real cost: the founder's time plus the inevitable loss from the learning curve. For a founder whose hour is worth 100 Euro, two hours a week on Google Ads costs the business 800 Euro monthly in unproductive time, plus 20-40% more spent on sub-optimally configured campaigns. Works at budgets under 2,000 Euro monthly advertising spend, where the agency model is uneconomical.
Freelancer. An independent specialist working 5-15 hours per month on your account. Visible cost: 300-1,500 Euro monthly. Real cost: that plus continuity risk (freelancers leave, get sick, take on other clients). Works for budgets between 2,000 and 8,000 Euro monthly advertising spend, when you want expertise without the volume of an agency.
In-house team. A full-time media buyer on payroll. Visible cost: salary plus taxes (2,000-5,000 Euro monthly in Romania, 4,000-8,000 in the UK). Real cost: salary plus equipment, training, holiday cover, plus a single person lacks the multi-account perspective of an agency. Works for businesses with over 15,000 Euro monthly advertising spend.
Agency. External team managing the account through a Manager Account. Visible cost: monthly retainer plus, sometimes, a percentage of managed budget. Real cost: the retainer plus access to a practice tested on other accounts (scale advantage), minus the risk of being treated as one account among many. Works for businesses with budgets that justify the agency economy and for founders who want to free up time for strategic decisions.
Five concrete scenarios and what to pick
The decision depends more on the business stage than on a universal rule. Five common scenarios:
Scenario 1: New e-commerce, fewer than 50 orders per month. Run it yourself or with a freelancer experienced in your category. The advertising budget is below the threshold at which a serious agency can enter economically. Move to the next model when you pass 200 monthly orders.
Scenario 2: Growing e-commerce, 50-500 orders per month, one channel only (Google Shopping or Meta). Channel-specialist freelancer. Realistic cost 500-1,200 Euro monthly. Watch continuity: ask for a backup plan if the freelancer becomes unavailable.
Scenario 3: Mature e-commerce or B2B, multi-channel (Google + Meta + LinkedIn), over 500 orders or 100+ monthly leads. Agency. The volume justifies the costs, multi-channel requires specialised expertise on each platform, and now you have enough data for serious attribution.
Scenario 4: Established company, budget over 50,000 Euro monthly advertising, present in 3+ markets. In-house team plus agency on specialised channels. The in-house person manages the product team relationship and broader marketing; the agency brings tactical expertise on Google Ads, Meta Ads, LinkedIn Ads.
Scenario 5: New product launch with aggressive target (3-6 months). Agency with short pilot. You need expertise immediately, without the learning curve of a newly-hired in-house person, and at end of project the partnership can close naturally.
What an agency actually delivers in a month
An honest question founders rarely ask: for the monthly retainer, what do they actually get? The realistic list for an active account:
Initial audit and optimisation plan. In the first 5-10 working days after start, the agency delivers a document showing the state of the account, the problems identified (prioritised), and the plan of changes for the first 90 days.
Campaign restructure or build. Reorganising ad groups, changing the keyword structure for AI Max, restarting Performance Max campaigns with correct intent signals, restructuring Meta buckets on conversion objectives.
Asset writing at volume. 20-30 original headlines and 4-6 descriptions per major Google campaign. 20+ creative assets (images, video, copy) per major Meta campaign. Algorithms cannot rotate between 5 assets; they need 20+ to identify the optimal combination.
Weekly optimisation based on tested hypotheses. At least 10% of budget kept on structured tests, with documented conclusions.
Monthly report with commercial interpretation. Not Google Ads screenshots. A document linking platform activity to business revenue and cost. Return on ad spend shown alongside real per-sale margin. Customer acquisition cost alongside projected customer lifetime value.
Weekly or bi-weekly calls. With the person who touches the account, not an intermediary account manager.
Checklist: are you ready to hire an agency?
Before hiring, check eight conditions. If several are missing, postponing is wiser than forcing the engagement.
The monthly advertising budget is enough to justify the agency retainer plus leave volume for optimisation.
The product has demonstrated product-market fit (repeat buyers, organic reviews, spontaneous referrals).
Margin per sale is above 30%. Below that, the path to a profitable acquisition cost is too narrow.
You can measure what happens after the first sale (repurchase rate, customer lifetime value).
The fulfilment process can absorb a sudden order spike without degrading the customer experience.
You (or someone on your side) has time for a weekly meeting with the agency.
You understand that the first 90 days are about setup and learning, not final results.
You are ready to give the agency access to commercial numbers (product margin, lifetime value), not just platform data.
When you should hire no agency at all
Situations in which the correct decision is to hire no one, however good the pitch sounds:
The monthly advertising budget is below 1,500 Euro and there is no clear plan for growth in 6 months. Below that threshold, internal learning plus a self-service platform are more economical.
The business lacks product-market fit and you are trying to fix it with ads. Money lost on paid media in a business without organic traction delays the inevitable conclusion, it does not avoid it.
You sell a product with margin under 20% and you cannot raise prices or differentiate. The maths does not close at any reasonable acquisition cost.
The operational process cannot handle a wave of new orders. A good agency will bring you the volume, and without operational capacity, the volume will cost you in bad reviews and lost customers.
You do not want or cannot invest 1-2 hours per week in the agency relationship.
How DAFE Digital decides fit with a client
DAFE Digital operates from Cluj-Napoca, Romania, with active clients in the UK, US, Hong Kong, Switzerland, Germany and Hungary. We accept a new client on three criteria.
The advertising budget scale justifies a full practice, not a minimal setup. If the budget is too small for our team to deliver all the components described above, we recommend a specialised freelancer or in-house setup, not a DAFE retainer.
Access to commercial data (margin, lifetime value) is possible. Without that access, we cannot deliver reporting that links platform to profit.
Your decision rhythm is compatible with how we work. Companies that require board-level presentations for each change do not fit our operating mode.
If the answers are yes, the conversation continues with a video call in English. If not, we honestly recommend the alternative that fits, whether it is a freelancer, in-house, or another agency.
Deciding between hiring a paid media agency and another model?
DAFE Digital works with international clients who've passed the threshold where a freelancer or in-house setup is no longer enough. If you're below that threshold, we'll say so and recommend the right alternative.

Adela Mincea
Performance Marketer · Fondatoare DAFE Digital · Formator ANC
Adela is a Performance Marketer with 10+ years of paid media across Europe, the US and Asia. She founded DAFE Digital in 2023 after agency roles in London and Hong Kong, in-house work inside client organisations, and independent consulting across 27+ industries.
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