Facebook Ads agency – how much does a campaign cost and when is it worth outsourcing?

Handing Facebook Ads campaigns to an agency usually costs between PLN 1,500 and 4,000 net a month for management, separately from the ad budget spent directly on the Meta platform. The price depends on the number of campaigns, the industry, the scope of creative work and whether the campaign also covers Instagram and remarketing. In this article we explain what a Facebook Ads agency does, how much the cooperation costs and when it is worth considering handing campaigns to specialists instead of running them yourself.

What does a Facebook Ads agency do?

Facebook Ads today is part of the broader Meta Ads system

One important point: today people rarely talk about "Facebook Ads" in isolation from Instagram. Ads on Facebook, Instagram and Messenger are managed from a single Meta advertising system. In practice a Facebook Ads agency designs campaigns across the whole Meta ecosystem, matching placements (feed, Stories, Reels) to the objective and the audience rather than limiting itself to one platform.

Scope of the service

An agency handling Facebook Ads is responsible for auditing the ad account, campaign strategy, setting up the Pixel and conversion events, creating ad creatives, A/B tests, budget optimisation and regular reporting. It is a continuous process – a campaign that is not optimised loses effectiveness as competition for the user's attention in the feed grows.

How much does a Facebook Ads campaign run by an agency cost?

Payment model

As with other paid channels, agencies usually bill in one of three ways:

• A fixed monthly management fee – independent of the size of the ad budget.
• A percentage of the ad budget – usually 10–20%, rising with campaign scale.
• A mixed model – a base fee plus a commission on results (e.g. the number of leads or sales).

Price ranges

The cost depends above all on the scope of the service:

• A basic campaign on one platform: PLN 1,500–2,500 net a month
• Full Facebook + Instagram management, remarketing: PLN 2,500–4,000 net a month
• Comprehensive management with creative testing and advanced analytics: from PLN 4,000 net a month

On top of that comes the ad budget spent directly on the Meta platform – a separate amount, independent of the agency's fee.

What affects the price?

• The number of platforms and placements – a campaign covering Facebook, Instagram and remarketing takes more work than one simple campaign.
• The scope of creative work – the number of formats tested (images, video, carousels) affects the creative workload.
• The industry and sales model – e-commerce with a product catalogue requires a different setup from a lead campaign for services.
• How advanced the analytics are – setting up the Pixel, conversion events and ROAS reporting increases the scope of the service.

When is it worth handing Facebook Ads to an agency?

When the campaigns are not delivering the expected results

If campaigns you run yourself generate clicks but do not translate into sales or valuable leads, that is a sign deeper optimisation is needed – of the Pixel setup, the audiences, the creatives or the landing page itself.

When there is no time for regular testing and optimisation

Facebook Ads requires continuous work: new creatives, data analysis, reacting when ad performance drops. Companies without a dedicated person for this often neglect the campaign after the first few weeks, which reduces its effectiveness.

When you plan to scale the budget

A larger ad budget requires more precise control – there is a greater risk of burning money on targeting or campaign structure mistakes. An agency helps you scale in a controlled, data-driven way.

When you want to combine Facebook Ads with other channels

Meta Ads campaigns work best as part of a broader strategy – complemented by remarketing with data from other sources and consistency with SEO or Google Ads activity.

What to look for when choosing a Facebook Ads agency

Access to the ad account

The campaign should run on an ad account belonging to the client (Business Manager), with full admin access on the company's side. That protects the campaign history and the data once the cooperation ends.

The approach to ad creatives

In Meta Ads the creative often decides a campaign's effectiveness more than the targeting does. It is worth reviewing an agency's portfolio for the quality and variety of the ads it has produced – images, video, formats suited to Stories and Reels.

The quality of the reporting

A good Facebook Ads agency shows not just reach and clicks but the real business impact: cost per lead or purchase, ROAS, contact quality and concrete conclusions for the next period.

Experience with your sales model

E-commerce campaigns differ from lead campaigns for services. It is worth checking whether the agency has experience with a similar business model.

Facebook Ads and the landing page

Even the best-designed campaign loses its potential if it leads to a weak landing page. A user clicking an ad on Facebook is most often doing so from a phone – if the page loads slowly or is not adapted for mobile, the ad budget is spent less efficiently. That is why a good agency also analyses the page the campaign traffic goes to, whether or not it built that page itself.

Facebook Ads or Google Ads – which channel to choose first?

This question comes up most often with companies starting out with paid advertising. Facebook Ads works well for building demand – reaching people who are not yet actively searching for a product or service but match the target group. Google Ads better answers existing demand – the user is actively typing a query and is closer to a purchase decision. Many brands, especially in e-commerce, combine both channels, using the strengths of each at different stages of the customer journey.

Frequently asked questions (FAQ)

How much does a Facebook Ads campaign run by an agency cost?

Campaign management is usually PLN 1,500–4,000 net a month, depending on the scope of the service. On top of that comes the ad budget spent directly on the Meta platform.

Does a Facebook Ads agency handle Instagram too?

Yes, in practice almost always – Facebook and Instagram are managed from a single Meta advertising system, so a good agency designs campaigns for both platforms at once, matching placements to the objective.

How long do you have to wait for Facebook Ads results?

The first data that lets you judge a campaign's direction usually appears after 1–2 weeks of creative testing, and results typically stabilise after 4–8 weeks of regular optimisation.

Can a small company afford a Facebook Ads agency?

Yes – the management cost does not always require a large ad budget. A local service business can start with a smaller, well-controlled campaign and scale the budget once the first data comes in.

Is it better to run Facebook Ads yourself or hand it to an agency?

Running it yourself is possible, but it takes time to learn the ad panel, produce creatives regularly and analyse the data. An agency brings experience from many accounts and industry context, which usually speeds up the path to stable results.

Key takeaways

• A Facebook Ads agency today runs campaigns across the whole Meta ecosystem – Facebook, Instagram and Messenger – not just one platform.
• The cost of campaign management at an agency is usually PLN 1,500–4,000 net a month, regardless of the ad budget.
• It is worth handing a campaign to an agency when there is no time for regular testing, the results have stalled or you plan to scale the budget.
• When choosing an agency, check access to the ad account, the quality of the creatives in its portfolio and the transparency of its reporting.
• Facebook Ads and Google Ads complement each other well – the first builds demand, the second answers existing queries.

If you are wondering what a Facebook Ads campaign could look like for your company, take a look at our Meta Ads offer or get in touch to talk about a concrete plan of action.

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