Hiring Social Media Agencies to Scale Your Brand
social media agencies
01/02/2026
24 min read

Hiring Social Media Agencies to Scale Your Brand

By Boost Team

So, what exactly is a social media agency? Think of them less like a simple post scheduler and more like a specialist growth partner dedicated to turning your business goals into real, measurable results online. The days of just queuing up content are long gone; today's agencies handle everything from complex ad campaigns and deep customer analytics to full-scale creative production.

What Do Social Media Agencies Actually Do?

Let's cut through the jargon. A modern social media agency is basically a specialist doctor for your brand's digital health. They're there to diagnose growth problems and prescribe precise, data-backed treatments to connect you with the right audience and, most importantly, drive business outcomes.

They’ve become strategic powerhouses. Where businesses once treated social media as a bulletin board for updates, smart brands now see it for what it is: a primary channel for finding new customers and generating revenue. Making that shift work requires a team of dedicated experts, and that’s exactly where an agency comes in.

The Agency Advantage Over In-House Teams

The choice between building an in-house team and hiring an agency usually boils down to one thing: immediate access to a diverse, specialised skill set.

If you decide to build a team internally, you're looking at hiring a strategist, a copywriter, a paid media buyer, a graphic designer, and a data analyst. That’s a massive investment in salaries, training, and overheads before you even get started.

When you partner with an agency, you get all those skills from day one. You're tapping into a team that has already honed its craft across different industries, bringing a wealth of experience and proven playbooks to your business without the long-term cost and commitment of multiple full-time hires.

An agency isn't just an outsourced service; it's a strategic extension of your team. Their value lies in combining cross-industry insights with specialised tools and expertise to accelerate your growth faster than you could alone.

Navigating a Rapidly Growing Digital Space

You really can't overstate how important this kind of expertise is, especially in such a fast-moving market. Take South Africa, for example. The social media scene absolutely exploded in 2025, hitting 29.1 million active user identities by October. That was a 15.2% jump, meaning nearly 65% of all adults were active on social platforms. For agencies, a surge like that points directly to the massive opportunity in data-driven paid media. You can dig into more insights on this South African digital boom over at DataReportal.

This incredible growth means the platforms and how people use them are constantly in flux. A dedicated agency lives and breathes these changes. They're on the front lines, staying ahead of algorithm updates and spotting new trends before they go mainstream. They work inside these platforms every single day, so they understand the subtle shifts that can make or break a campaign.

Many forward-thinking agencies are also now using tools for efficient AI content creation for social media, which helps them scale up campaign development without sacrificing innovation. By bringing in efficiencies like this, they can spend more of their time on high-level strategy and optimisation, making sure your budget is always working as hard as possible to hit your goals.

The Core Services That Actually Drive Growth

So, what are you actually paying for when you bring a social media agency on board? It's a world away from just having someone schedule a few posts. The real magic lies in a suite of connected services that work together to turn your social media from a passive brand channel into an active, revenue-driving machine.

Think of it like building a high-performance car. You don't just throw an engine in and call it a day. You need the chassis, transmission, and steering all working in perfect harmony. In the same way, a top-tier agency integrates several key pillars to push your brand forward.

Strategic Planning: The Roadmap To Success

Everything worth doing starts with a plan. A great agency won’t just jump in and start posting; their first move is to get under the skin of your business. They'll dig deep into your goals, your target audience, your competitors, and what makes you unique in the marketplace.

This foundational work results in a comprehensive social media strategy. This isn't just a content calendar. It's a detailed roadmap that outlines what you're going to say, who you're saying it to, which platforms you'll use, and exactly how you'll measure success. It’s the blueprint that ensures every single action is purposeful and tied directly to your bottom line.

Paid Media Management: Turning Spend Into Profit

For many businesses, this is where a social media agency delivers its most direct and measurable value. Paid media management is the art and science of using ad platforms like Meta (Facebook and Instagram), TikTok, and LinkedIn to put your message in front of precisely the right people at the right time.

It covers everything from deep audience research and campaign setup to A/B testing creative and constantly fine-tuning bids to maximise your return on ad spend (ROAS). This isn't about 'boosting' posts. It's a highly analytical process. Mastering this is especially critical in markets like South Africa, where Facebook still holds a massive 79.06% market share, making its ecosystem a key battleground for winning customers.

A skilled paid media team can turn a modest ad budget into a predictable flow of leads and sales.

To see how these services connect directly to business results, here’s a quick breakdown.

Core Agency Services And Their Business Impact

Service Pillar What It Involves Key Business Outcome
Strategy & Planning Market research, competitor analysis, audience profiling, goal setting, content pillar definition. A clear, actionable plan that aligns social media efforts with overall business objectives.
Paid Media Management Ad campaign creation, budget management, audience targeting, A/B testing, ROAS optimisation. Measurable lead generation, sales, and a predictable return on advertising investment.
Creative Development Graphic design, short-form video production, copywriting, brand storytelling. Increased brand awareness, higher engagement rates, and content that stops users from scrolling.
Community Management Responding to comments/DMs, engaging with followers, managing user-generated content, monitoring sentiment. Improved brand loyalty, customer trust, and valuable, direct feedback from your audience.
CRO Integration Analysing landing pages, optimising user journeys, testing calls-to-action, improving checkout flows. Higher conversion rates, turning more website visitors and social media traffic into paying customers.

Each pillar builds on the others, creating a system that doesn't just attract attention but actively converts it.

Creative Development: Crafting Visuals That Stop The Scroll

In the endless scroll of a social feed, your creative is your first, and maybe only, impression. An agency's creative team is there to make sure it's a powerful one. This is about more than just making things look pretty; it's about producing thumb-stopping visuals and compelling copy that grab attention and get your message across in seconds.

This usually includes:

  • Graphic Design: Creating on-brand static images, carousels, and infographics.
  • Video Production: Shooting and editing the kind of short-form video (like Reels and TikToks) that algorithms and audiences love.
  • Copywriting: Writing the captions, headlines, and ad copy that actually persuade people to take action.

It’s all about translating your brand's unique story into content that feels native to social media.

The best agencies have moved far beyond being simple content schedulers; they operate as genuine strategic growth partners. This evolution is key.

Visualizing agency evolution: from growth partner to strategic powerhouse for innovative campaigns and content scheduler for consistent outreach.

As you can see, the most valuable partners are focused on your top-level business goals, using strategy to inform every single piece of content they produce.

Community Management: Building Real Relationships

Social media was never meant to be a one-way street; it’s a conversation. Community management is the service dedicated to nurturing that dialogue, turning your passive followers into a loyal, engaged community. It means responding to comments and messages, celebrating user-generated content, and keeping a finger on the pulse of brand sentiment.

A strong community doesn't just buy from you; it advocates for you. Great community management builds incredible brand loyalty and gathers priceless customer feedback that can guide your entire business.

This human touch is what builds trust and long-term relationships, turning your social channels into a genuine business asset.

Conversion Rate Optimisation: Plugging The Leaks

Finally, what happens after someone clicks on your ad or social post? A top agency’s job doesn’t end there. By integrating conversion rate optimisation (CRO), they look at the entire customer journey, from that first click to the final sale. You can explore the different types of social media marketing services in our detailed guide.

They’ll analyse your landing pages, your product descriptions, and your checkout process to find and fix any friction points that are causing potential customers to drop off. By running tests and making data-driven tweaks, they plug the leaks in your sales funnel, making sure more of the traffic they worked so hard to generate actually becomes revenue.

Understanding Agency Pricing and Partnership Models

So, what's this all going to cost? It’s the question on every business owner’s mind, and the honest answer is: it depends. An agency's price tag isn’t just a number pulled from thin air; it’s a direct reflection of their team’s experience, the work involved, and the results they're expected to deliver.

Navigating the different payment structures can feel a bit overwhelming at first. But once you understand the main options, you can find a partnership that makes sense for your budget and your business goals. It's less about finding the cheapest quote and more about finding the best value—an investment that actually pays for itself.

Common Agency Engagement Models

Most social media agencies will propose one of three main ways to work together. Each has its own pros and cons, making them a better fit for different situations.

  • Monthly Retainer: This is the industry standard for a reason. You pay a set fee each month for a clearly defined scope of work. It’s predictable, which is great for budgeting, and it lets the agency really sink its teeth into your strategy and become a genuine part of your team. The only real downside is that it requires a longer-term commitment.

  • Project-Based Fees: Got a specific, one-off goal in mind? Maybe you're launching a new product or need a powerful campaign for the holiday season. A project-based fee is perfect for this. You pay a flat rate for a project with a clear start and end date. It gives you cost certainty but isn't built for the ongoing, adaptive nature of long-term social media management.

  • Performance-Based Pricing: This one is intriguing. Some agencies tie their fees directly to the results they get for you, like taking a percentage of ad spend or charging a fee for every qualified lead. This model is powerful because it means the agency only makes good money when you do. However, the contracts can get complicated, and you need to be crystal clear on how "performance" is measured.

Shifting The Conversation From Cost To Value

It’s easy to get fixated on that monthly invoice. But the smart way to look at it is as an investment in growth. Think about it: a R40,000 monthly retainer that brings in R200,000 of new business isn't an expense—it's an investment engine with a fantastic return.

This mindset is more important than ever. Recent reports show that a massive 68% of South African businesses are planning to increase their marketing spend by 2026, with social media and video being top priorities. The digital space is getting louder and more competitive. Simply throwing more money at it won’t work. You need a specialist partner who can deliver a measurable return on investment to actually get ahead. You can read more about these South African marketing trends and what they mean for businesses.

The right agency doesn't just post for you; they build a system that turns your investment into predictable revenue. The goal isn't just to be seen—it's to grow.

What To Expect From The Partnership Process

Once you’ve settled on a pricing model and are ready to move forward, a professional agency will have a clear, structured process to kick things off. This is all about making sure you’re both on the same page from day one.

Here’s what that usually looks like:

  1. Contract and Agreement: You’ll get a formal document laying out the scope of work, key deliverables, fees, payment schedule, and the length of the partnership. Make sure you read it carefully.
  2. Onboarding and Kick-off: This is a deep-dive session where the agency gets to know your brand inside and out—your goals, your customers, your voice. They’ll also ask for access to all the necessary accounts and brand assets.
  3. Communication and Reporting: A good agency will set up a regular rhythm for communication, whether that’s a weekly check-in call or a detailed monthly report. Transparency is everything; you should always have a clear view of how your investment is performing.

Knowing what to expect helps you start the partnership with confidence, ready to build something great together. To get a better idea of what can be included in these agreements, check out our guide on social media advertising packages.

Measuring The Metrics That Truly Matter

Professional analyzing key business metrics on a computer monitor and taking notes at a modern desk.

So, how can you be sure your investment in a social media agency is actually paying off? It's all too easy to get mesmerised by numbers that look impressive on paper but do absolutely nothing for your business goals. We call these “vanity metrics”—things like follower counts, likes, and page impressions.

Sure, these numbers can give you a vague sense of brand awareness, but they won’t tell you if your social media activity is generating leads, driving sales, or contributing to your bottom line. Any top-tier agency will immediately shift the conversation away from these fluffy figures and onto the key performance indicators (KPIs) that directly affect your revenue.

At the end of the day, the metrics that matter most are always tied to what success looks like for your business in your industry.

KPIs That Connect To Your Bottom Line

For an eCommerce brand, success is a world away from what it is for a B2B service trying to drum up qualified leads. A good agency gets this and customises its entire measurement strategy around your specific business goals, focusing on metrics that tell a clear story of growth.

An online retailer, for instance, lives and dies by how efficiently it can convert ad spend into actual sales. A property business, on the other hand, is far more concerned with the cost of getting a genuinely interested buyer to book a viewing.

Here are a few of the non-negotiable metrics you should be talking about with any potential social media agencies:

  • Return on Ad Spend (ROAS): This is the holy grail for any business selling products online. It tells you exactly how much revenue you generated for every single rand spent on ads. A ROAS of 4:1 means you made R4 for every R1 you put in.
  • Customer Acquisition Cost (CAC): This is the total cost—including ad spend and agency fees—required to win one new customer. The game is to push this number down as low as possible without sacrificing the quality of the customers you're attracting.
  • Cost Per Lead (CPL): Absolutely critical for B2B and service-based businesses, CPL shows you precisely how much it costs to generate one new enquiry. A skilled agency will be obsessed with optimising campaigns to reduce this figure over time.
  • Conversion Rate: This tracks the percentage of people who take a specific, valuable action (like buying a product or filling out a form) after clicking on your ad or social media link.

Being able to calculate marketing return on investment is a massive part of this. This knowledge gives you the power to hold your agency accountable and see the direct financial impact of their work.

Benchmarks Across Different Industries

Knowing your numbers is a great start, but how do they compare to everyone else in your field? Performance benchmarks add that crucial layer of context, helping you understand what "good" actually looks like. While these are just general guidelines, a solid agency should be aiming to meet or beat them consistently.

It's vital to have a realistic yardstick for measuring your agency's performance and setting meaningful goals for your social media campaigns. The table below outlines some typical benchmarks we see across various sectors.

Industry-Specific KPIs And Benchmarks

Industry Primary KPI Secondary KPI Good Performance Benchmark
eCommerce Return on Ad Spend (ROAS) Customer Acquisition Cost (CAC) 4:1 or higher ROAS
SaaS/Software Cost Per Lead (CPL) Lead-to-Customer Rate CPL below customer lifetime value
Property/Real Estate Cost Per Lead (CPL) Appointment/Viewing Rate R200 - R800 CPL (variable)
Professional Services Cost Per Lead (CPL) Conversion Rate (on landing page) 2-5% conversion rate

Remember, these are starting points. An experienced agency will work with you to set customised goals based on your specific profit margins, sales cycle, and growth ambitions.

A great agency partner doesn’t just send you a spreadsheet full of numbers. They provide context, insights, and a clear narrative that connects their daily activities directly to your most important business objectives.

The Power Of Transparent Reporting

The best social media agencies make data simple and digestible. They don't hide behind confusing jargon or overwhelming reports. Instead, they provide clean, unified dashboards that pull all your important metrics into one easy-to-understand view.

This level of transparency is a game-changer. It means you can see, at a glance, how your investment is performing and what’s driving results.

It also lets you have more productive, data-led conversations with your agency. You can stop asking, "What did you do this month?" and start asking, "How did our campaigns impact revenue, and what are we going to test next to improve performance?"

How To Choose The Right Agency For Your Business

Two women reviewing agency options on a tablet screen, one holding a stylus, discussing choices.

Picking a social media agency is a huge decision for your company's growth. This isn't just about handing off a few tasks; you're bringing in a partner to help shape your brand's future online. The right choice can be a game-changer, unlocking scalable growth. But the wrong one? That often leads to wasted money and months of going nowhere.

To get it right, you need a clear, structured process. It's about looking past the slick presentations and getting to the core of what an agency can actually do for you. You need a team that doesn't just talk a big game but has the data, experience, and strategic thinking to back it all up.

Start With Your Own House In Order

Before you even start looking at agencies, the first move is to look inward. You can't possibly find the right partner if you haven't defined what you need them to do. Vague goals like “we want more followers” or “we need to post more” are just a recipe for disappointment.

You have to get specific. What business problem are you actually trying to solve?

  • Do you need to generate 20 qualified leads for your sales team every month?
  • Are you trying to hit a 4:1 return on ad spend (ROAS) for your e-commerce store?
  • Is the goal to cut your customer acquisition cost by 15% in the next six months?

These clear, measurable goals become your north star. They provide a solid framework for judging whether an agency’s skills and proposed strategy genuinely line up with what you need. And, of course, you’ll need a realistic budget that covers both the agency's fees and the ad spend you'll be putting behind the campaigns.

Evaluate Their Experience And Results

Once your goals and budget are locked in, it’s time to start the real research. Don't just search for social media agencies; look for partners who have proven success in your specific industry. The tactics that work wonders for a B2B SaaS company are a world away from what drives sales for a direct-to-consumer fashion brand.

Head straight for their case studies and client testimonials. This is where you separate the talkers from the doers.

Look for case studies that are all about measurable business outcomes, not just fluffy engagement metrics or pretty designs. If an agency is truly proud of its work, it will be shouting about the ROAS, CPL, or revenue growth it delivered for its clients.

If their website is filled with vague promises about "boosting brand awareness" but is thin on actual numbers, that's a red flag. A results-driven agency will always lead with the data.

Prepare For A Meaningful Discovery Call

After you've shortlisted a few agencies that look promising, the discovery call is your chance to really dig in. Think of it less as a sales pitch and more as a two-way interview. You’re sizing them up, and they should be doing the same to see if it’s a good fit.

Show up prepared with thoughtful questions that go deeper than just "what do you do?"

Insightful Questions to Ask Potential Social Media Agencies

  1. Strategy: "Based on the goals I've shared, what would your strategic approach look like in the first 90 days?"
  2. Team: "Who, specifically, would be working on our account, and what is their direct experience in our sector?"
  3. Reporting: "Could you walk us through a sample monthly performance report so we can see how you track and communicate results?"
  4. Process: "What does your process for testing new ad creative and campaign ideas actually look like?"
  5. Failure: "Tell me about a campaign that didn't hit its targets and what you and your team learned from it."

How an agency answers these questions tells you everything about their transparency, their strategic depth, and whether they see you as a genuine partner or just another name on their client list. Honestly, the way they discuss challenges is often far more revealing than how they talk about their wins. Understanding why high-quality media is crucial for digital advertising will also help you ask sharper questions about their creative process.

Watch Out For Critical Red Flags

Finally, as you move through this process, keep your eyes peeled for warning signs. Certain promises and behaviours are common with less-than-stellar agencies and can signal trouble down the road.

  • Guaranteed Results: No reputable agency can guarantee something like "we'll double your sales in 30 days." There are simply too many variables in marketing. They should guarantee a solid process and a commitment to your goals, not a magic wand.
  • A "One-Size-Fits-All" Strategy: If they push the same package or strategy on you that they offer everyone else, without digging into your unique business needs, you're buying a template, not a partnership.
  • Lack of Transparency: Vague answers about who’s managing your account or how they measure success are serious red flags. You should expect total clarity on their team, their process, and their reporting right from the start.

Choosing an agency is a big commitment, but with a structured evaluation, you can make a confident decision. You'll find a partner that feels like a true extension of your team, ready to drive the kind of growth your business deserves.

Finding Your Growth Partner

Deciding to bring a social media agency on board is a big move, but it’s a decision driven by one thing: the need for real, scalable growth. It’s about getting past the idea of just being on social media and starting to build a predictable engine that turns platforms like Facebook and Instagram into a reliable stream of revenue.

As we've seen, this isn't about handing off your posting schedule to someone else. It's about getting a team of specialists in your corner—the strategists, the media buyers, the creatives, and the data analysts. These are the people who live and breathe the algorithms, ad platforms, and creative angles needed to turn your ad spend into tangible results.

An Investment, Not an Expense

The right partner is a team that obsesses over your business goals as much as you do. From the very first conversation, they should be talking about the metrics that actually move the needle: ROAS, Cost Per Lead (CPL), and customer lifetime value. Forget about vanity metrics like likes and followers. A true strategic agency doesn't just run your accounts; they build a complete system that connects every click and comment to a business outcome.

This fundamentally changes how you see your marketing—it stops being a cost centre and becomes the growth engine for your business.

The right agency partnership is an investment in expertise, efficiency, and—most importantly—results. It’s about finding a team that can build the data-driven systems that connect your social media efforts directly to your bottom line.

By following a clear-headed evaluation process—nailing down your goals, digging into case studies for hard proof, and asking the tough questions—you can find that partner with confidence. You’ll be ready to choose a team that feels less like a vendor and more like an extension of your own. That’s the kind of collaboration that doesn't just help you compete; it helps you win.

Frequently Asked Questions

It's completely normal to have questions when you're looking into partnering with a social media agency. We get it. To help you out, here are some straight-talking answers to the questions that come up most often when we chat with businesses.

How Long Does It Take To See Results From An Agency?

This is the big one, and the honest answer is: it takes time. You'll likely see some encouraging early signs, like a bump in engagement or more followers, within the first month. That’s great, but it’s not the whole story.

The results that really move the needle—like a steady stream of qualified leads or a noticeable lift in online sales—typically start to show up around the 3-6 month mark. This isn't a random number; it's the time a good agency needs to properly test what works, gather enough data to make smart decisions, and fine-tune your campaigns to hit their stride.

What’s The Difference Between A Social Media Manager And An Agency?

Deciding between a solo manager and a full agency is a common fork in the road. The main difference boils down to the sheer range and depth of skills you get.

A social media manager is typically one person, and they're often brilliant at the day-to-day stuff like creating content and chatting with your community. They keep the lights on and the conversation flowing.

An agency, on the other hand, brings a whole crew of specialists to the table. You're not just hiring one person; you're getting:

  • A strategist who designs the overarching game plan.
  • A dedicated paid media buyer whose entire job is to make your ad spend work harder.
  • Professional copywriters and designers who create content that stops the scroll.
  • A data analyst who lives in the numbers, tracking performance and finding growth opportunities.

It's a much more robust and scalable way to tackle serious business growth.

Do Social Media Agencies Guarantee Results?

Run for the hills if an agency guarantees a specific outcome like, "we’ll double your sales in a month." No credible agency will make that kind of claim. Why? Because too many factors are outside of their control, from market shifts to how well your product resonates with customers.

What a professional agency will guarantee is their process. They'll promise transparent reporting, a strategy grounded in real data, and an obsessive focus on hitting the key performance indicators (KPIs) you both agreed on from day one.

A great agency guarantees their methodology, not a magical outcome. Their promise is to apply their expertise systematically to solve your growth challenges, testing and learning every step of the way.

What Should I Have Prepared Before Contacting An Agency?

To get the most out of that first chat, a little prep work goes a long way. When you come in with a clear picture of your business, the conversation can get strategic right from the start.

Before you reach out, try to nail down:

  • Your business goals: Get specific. Think "increase online sales by 20%" or "generate 30 qualified leads per month."
  • Your target audience: Who, exactly, are you trying to talk to?
  • Your budget: Have a realistic number in mind for both the agency retainer and what you're willing to spend on ads.
  • Past performance data: Any intel on what’s worked (and what’s flopped) in the past is pure gold for a strategist.

Having this ready means you can skip the vague pleasantries and dive straight into a meaningful conversation about your brand's potential.


Ready to see how a data-driven approach can turn your social media into a reliable revenue engine? Market With Boost specialises in building integrated systems for eCommerce, software, and property businesses that connect every click to your bottom line. Book a discovery call with our team today to uncover your brand's true growth potential.

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Hannah Furno

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