Marketing consultant vs agency: who takes on what?
Consulting and workshops
10 min read
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A consultant helps you decide what to do, and an agency produces what was decided. That is the short version of the difference between a marketing consultant and an agency. A marketing consultant is an outside adviser who helps a business settle who it is selling to, what comes first and which channels to use, and who writes those choices down. An agency is a team that turns choices into a website, ads, content or design. In practice the line blurs: some consultants also do the work, and some agencies also write strategy. So the title on a proposal tells you less than a written list of who does what.
We are a brand and strategy studio, which puts us close to one of the two sides. For that reason each section below states where each model gets in your way. You will find a comparison table, a sample split of tasks for an imaginary tea shop, and a six-question list for reading proposals.
What is the difference between a marketing consultant and an agency?
The difference is in what you receive. A consultant usually hands over a decision and the document that carries it: who the work is for, what gets priority, which channels make sense. Sometimes a workshop with your team is added. An agency hands over work: a live site, a running ad account, content that is already in a calendar.
Think of someone who wants to fix up an old flat. One person walks through it and writes down what needs doing. Another person knocks down the wall and paints it. Both look at the same flat, but their responsibilities differ. If the person who wrote the report is also the one doing the renovation, you read the report differently. You are not assuming bad faith; you just want to know whether the report is part of a sale.
Google Search Central’s page on whether you need an SEO lists services such as reviewing site content and structure, technical advice, content development, campaign management, keyword research and training. It says SEOs, agencies and consultants all provide them. The same list of tasks can show up in either kind of offer, which is why the difference lives in who takes on which task and not in the job title.
Side by side: who owns the work, what you get, how long it lasts
The table shows the typical split we see when reading offers. It is not a measured distribution, and every column has exceptions.
| Marketing consultant | Agency | In-house team | |
|---|---|---|---|
| Who owns the work | Decisions and the plan | Production and delivery | Day-to-day work and upkeep |
| Main output | Documents, recommendations, a roadmap, workshops | Website, campaigns, content, design | The business itself and knowledge of the product |
| Duration | Often a fixed period or periodic sessions | A monthly rhythm or a project | Ongoing |
| Team shape | One person or a small group | Several skills in one team | People in the business, most with other duties |
| Decision power | Advises; the business decides | Carries out the brief, may also advise | Decides and approves |
| Reporting | Progress notes, recommendation documents | Regular reports, delivered work | Straight to management |
| Account ownership | In the business’s name; a consultant often needs read access only | Must be spelled out in the proposal | The business |
What the proposal says comes before the table. A solo consultant may open accounts in your name, and an agency may hold a monthly strategy meeting with you.
What does a consultant take on, and what do they leave out?
A consultant’s scope usually includes:
- A written picture of where things stand: what is being done now and how anyone knows what works.
- A priority order. What gets a yes now and what waits.
- A view on channels and how budget is split between them.
- A workshop or training for your team.
- A second pair of eyes when you pick an agency or weigh an agency’s offer.
What they usually leave out is weekly production and account management. That also blurs who answers for results: if the plan is sound and the execution slips, an unclear proposal turns into an argument.
The hard part of consulting is that a plan nobody carries out stays on the shelf. And since a consultant does not watch the work daily, they hear late about whether the plan holds up in practice. For the brand side of consulting, see do you need a brand strategy consultant.
What does an agency take on, and what does it leave out?
An agency produces and delivers. A writer, a designer, an ad specialist and someone handling measurement can sit in the same team, and the agency also sets up the calendar, the approval order and the monthly report. If your work is run by one person, you rarely get every skill; that is where an agency stands out.
Some things sit with you, or depend on the brief. What you sell and to whom, the detail of the product, your relationship with customers all stay on your side. A thin brief gives thin work. There is also the source of the advice. An agency’s recommendation tends to come from within the services it sells, so an agency that sells ads may suggest ads first. That is not wrong, but it is worth knowing when you read the offer.
In-house team or none? Three situations
What is missing differs in each case.
With no in-house team and nobody to run the work, you need the producing side. Take a small online tea shop (fictional). The owner wants a pre-season launch page and ads, but spends the day packing orders. Starting with a consultant gives her a good plan and nobody to carry it out. An agency, or one full-time hire, fits better.
With an in-house team and no clear direction, it flips. There are many channels, everyone is running after something else, and nothing is ranked. What is missing is order, not output. A consultant draws the route and the team walks it.
In the third case the team is running things but needs one skill or an outside view: a site rebuild, measurement set-up, or a check on an agency’s offer. A project-based agency job or a few consulting sessions is enough. A freelancer with one specialty fits here too; having no backup is the weak side, being light is the strong side.
A mixed setup: how to write down who does what
Using all three together is common. The consultant draws the plan, the agency carries it out, and the people inside the business keep the daily work moving. It looks tidy on paper, then the first confusion arrives at the question “who signs this off?” The fix is to write three roles for each task: who does it, who approves, who is told.
A draft for the same tea shop:
| Task | Does it | Approves | Is told |
|---|---|---|---|
| Yearly marketing plan | Consultant | Shop owner | Agency, shop assistant |
| Product page copy | Agency | Shop owner | Consultant |
| Setting up and running the ad account | Agency | Shop owner (budget) | Consultant |
| Monthly measurement report | Agency | Consultant (do the numbers fit the plan?) | Shop owner |
| Replying to customer reviews | Shop assistant | Shop owner | Agency |
| Changing the plan, such as moving a launch earlier | Consultant proposes | Shop owner | Agency, shop assistant |
The table works in two places. If the “approves” column has two names on one task, that task will wait. If the “does it” column is empty, nobody owns the task. Filling it in at the proposal stage, and attaching it to the contract, makes things easier later.
Who should own the accounts and files?
This row is discussed least and causes the most trouble afterwards. The places to check:
- The ad account: whose name is it under, does the agency work from its own manager account, or is it linked to your account with permission?
- The analytics property and the search monitoring property.
- The domain name and the site’s admin panel.
- The social media accounts.
- Source files for design, and the archive of text and images.
The general principle is that accounts are opened in the business’s name and the outside partner gets the access the job needs. Google points in the same direction. If an SEO offers an audit, it advises granting read access to Search Console at that stage and holding back write access. The step-by-step on who should open the property is in GA4 setup step by step and how to set up Google Search Console. For who holds admin rights on social accounts, see social media: agency or in-house team.
Six questions to ask when reading a proposal
Whichever model you pick, the same six questions help:
- Is the scope written down? “Monthly management” is not enough; the channel, the deliverables and the number of revision rounds should be visible.
- Whose name will the accounts be opened under?
- What are the deliverables and in what form do they arrive: document, files, dashboard access?
- Who prepares the report and who interprets the numbers? If the same person runs the work and writes the report card, you should know it.
- When the contract ends, who keeps the files, the accounts and the access?
- Is there a conflict of interest? Does the person who recommends something also sell it? It may be fine, but it should be said out loud.
The same Google page lists more: whether they will walk you through each change to your pages, and whether they promise a particular spot in search results. If you are reading an SEO offer, there is a separate list for it: how much does SEO cost. On the advertising side, how to calculate customer acquisition cost shows what a new customer costs you.
What our consulting and workshop work covers is described on consulting and team workshops.
Frequently asked questions
When do you need a marketing consultant?
A consultant helps when direction is unclear but a team exists to carry out the work. They also help when channels multiply, when the team disagrees about what to do, or when someone needs to weigh an agency’s offer. If nobody can run the work, consulting alone will not be enough.
What does marketing consulting cover?
Scope depends on the proposal. It usually includes a written picture of the current situation, a priority order, channel choices and a roadmap. Some offers add a workshop or regular sessions. Production, such as the site, ads and content, may be outside the scope, and the proposal should say so.
How do you choose between a consultant, a freelancer and an agency?
Start with what is missing: a decision, production, or one specialty? If it is a decision, a consultant fits. If you need production across several skills, an agency. For one clear, limited task, a freelancer. Whichever you pick, account ownership, delivery format and access after the contract should be in writing.
How is a marketing consultant’s fee decided?
Fees are usually built from the duration of the work, how often you meet and what documents you receive. They may be hourly, daily, per project or monthly, and they change if the consultant also carries out the work. We give no figures here. Lining up proposals by scope rows says more than comparing totals.
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