What Is a Marketing Agency?

What is a marketing agency responsible for?

A marketing agency does the work of a marketing department, or part of one. The exact list depends on the agency. Most cover some mix of these:

• Strategy and planning, including research on your market, buyers and competitors.
• Search engine optimization, so your site shows up in Google and AI answers.
• Paid ads on Google, Bing, Facebook, Instagram, LinkedIn and other platforms.
• Social media posting, community replies and paid social campaigns.
• Website design, landing pages and conversion testing.
• Content such as articles, videos, guides and case studies.
• Email and text campaigns, often tied to a CRM.
• Branding, logos, design and creative for print and digital.
• Reporting on traffic, leads and campaign results.

Few agencies do all of it well. Many are strong in one or two areas and partner out the rest. Ask which work stays in-house and which goes to a subcontractor.

What are the main types of marketing agencies?

Ask ten owners "What is a marketing agency?" and you'll hear ten answers. The label covers very different shops. Agencies tend to sort themselves by what they sell or who they sell to.

A full-service agency covers strategy, creative, digital and often traditional media. It suits companies that want one place to go. The trade-off is that depth can vary from one service to the next.

A digital marketing agency focuses on online channels such as SEO, ads, social and email. Many small and mid-sized businesses hire this type today.

A specialist agency does one thing, like SEO, paid search, social media or web design. You get depth in that channel. You also end up managing several vendors if you need more than one.

An advertising agency centers on campaigns and media buying. Traditional ad agencies plan TV, radio, print and outdoor ads. Many now buy digital media as well.

A creative or branding agency builds identity, design and messaging. It may not run campaigns at all.

An industry agency serves one field, such as dental offices, law offices or home services. It knows the field's language and rules. Its playbook can also look the same for every client.

How does a marketing agency work day to day?

Most agencies run on a similar setup, whatever their size.

You'll have a main contact, often called an account manager. That person runs meetings, sends updates and passes requests to the team. Behind them sit a strategist and the specialists who do the work. That might be an ads manager, a writer or a designer.

Work starts with onboarding. The agency asks for access to your website, analytics, ad accounts and social profiles. It reviews what you've done before and sets goals with you.

Then comes a plan, often by month or quarter. It lists the campaigns, content and fixes the agency will deliver. Specialists do the work, and the account manager reports on results.

How well this runs depends on two things. One is whether the goals tie to revenue or to activity. The other is how fast information moves between your team and theirs. An agency that never hears which leads turned into sales can't improve the leads.

How do marketing agencies charge?

Agencies charge in a few common ways. A monthly retainer pays for an agreed scope of ongoing work. A project fee covers a defined job, like a new website. Hourly billing suits advice and small tasks. Ad management is often a flat fee or a percentage of ad spend. A few agencies tie part of their fee to results.

Each model has trade-offs. Retainers can drift into routine. Percentage-of-spend fees can reward bigger budgets over better results. Results-based fees depend on how "results" get defined.

Prices vary widely by scope, market and agency size. Our guide on how much a marketing agency costs breaks down the numbers and what drives them.

What does a marketing agency usually leave out?

This part surprises many owners. Most agencies stop where the lead begins.

They bring in calls, forms and clicks. What happens next is usually up to you. Calls go to voicemail. Quotes never get a follow-up. The sales team is stretched thin. Any of these lets the agency's leads go to waste. Then the agency gets blamed for "bad leads."

Agencies also tend to skip pricing, offers and operations. A business that undercharges or can't handle more work won't fix that with more ads.

Tracking gaps are common too. Many agencies report on clicks and form fills. Fewer connect those leads to closed sales. Without that link, nobody knows which campaigns pay.

None of this makes agencies bad. It means you should know where their job ends, and who covers the rest.

Marketing agency, in-house team or something in between?

You have more options than "hire an agency" or "hire a team."

An in-house marketer knows your business deeply and works only for you. One person can't cover every skill, though, and salary plus benefits adds up fast.

An agency brings a bench of specialists and tools. You share their attention with other clients, and they know your business less well.

A consultant diagnoses problems and builds a plan, then hands it to your team or vendors. Our marketing consulting page explains how that works.

A fractional CMO leads your marketing part time. They manage your agencies and staff and own the results.

Plenty of businesses mix these. A common setup pairs an in-house coordinator with an agency for execution and a part-time leader for direction.

When is it time to hire a marketing agency?

An agency makes sense when the work has outgrown the owner's evenings and weekends. Some common signs:

• Marketing happens in bursts, then stops when the business gets busy.
• You need skills nobody on staff has, such as paid ads or SEO.
• A big push is coming, like a launch, a new location or a new service.
• You've tried doing it yourself and can't tell what's working.
• Hiring a full team would cost more than the work requires.

An agency is a weaker fit when the real problem sits in sales, pricing or operations. Fix those first, or find a partner who works on them too.

What should you check before you hire a marketing agency?

Start with ownership. Your website, domain, ad accounts, analytics and call tracking numbers should be in your name. If an agency owns them, leaving costs you your history.

Read the contract terms. Look for the length, notice period and what happens to unfinished work. Month-to-month terms after an initial period are a good sign of confidence.

Ask how they'll measure success. Push for leads, sales and cost per customer. Impressions and clicks are supporting numbers.

Check their methods, too. The Federal Trade Commission's rule on fake reviews and testimonials took effect in October 2024. It bans buying fake reviews and fake social followers. It also lets the FTC seek civil penalties against knowing violators. An agency that offers shortcuts like these puts your business at risk.

Finally, meet the people doing the work. The person who sells the deal often isn't the one running your account.

A sample first 90 days with a marketing agency

Most agency relationships follow a similar path in the first three months. Knowing it helps you judge whether things are on track.

In the first month, the agency gathers access and studies your numbers. Expect questions about your best customers, your margins and your busy seasons. A good agency also sets up or checks call and form tracking before it spends a dollar.

In the second month, the first campaigns or pages launch. Results are thin at this stage. The useful sign is clean reporting that ties leads to their sources.

By the third month, you should see which channels bring booked work. A strong agency will suggest cutting what isn't working, even when that lowers its own fee.

Red flags in the first month

Watch for an agency that launches ads before tracking works. Be careful with reports full of impressions and clicks but no leads or sales. Ask questions if nobody can explain where your money went last week. Each of these is easy to fix early, and expensive to ignore.

Raise any concern in the first month, while changes are cheap. A good agency will welcome the question and show you the data behind its answer.

Ask for a short written summary each month. It keeps both sides honest about what was promised and what got done.

Is eSolve a marketing agency?

In a sense, yes, though the term has changed. Carlo Finotti, who started eSolve, puts it in his own words:

"The terminology of marketing agency has changed."

He adds that eSolve looks at the whole business, from brand to operations. In his words, "Sales, marketing and technology are our core."

In practice, eSolve covers the parts many agencies leave out, like sales follow-up, tracking to revenue and AI tools. It also coaches owners on brand and operations where that helps growth. You can see the full list on our marketing services page, and more guides in our marketing insights.

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