ONLINE ADVERTISING AGENCY: Best Agencies & How to Start One

Online Advertising Agency

Advertising a business on the Internet is the best method to develop it, and there are various ways to do so. An online advertising agency is a master at their profession and can help you advertise your website, online company, and storefront online, increasing website traffic and revenue. Whether you own a little business or a large corporation, online advertising should be a component of your growth strategy. In this guide, we will list the best online advertising agency companies, and show you how to start a digital marketing agency and grow a good website.

What is an Online Advertising Agency?

Online advertising companies and networks do a lot of the legwork for you when it comes to selling ads on your website. But, like with everything else in life, there is a penalty.

Companies that sell advertising for sites usually provide a piece of code that runs on the site and delivers performance information to the companies and their advertising clients. In some cases, the agencies automate the entire process via self-service. In other cases, they have sales representatives who help develop highly targeted campaigns for specific clients.

Anyone who picks a new network to post advertising on their website should conduct short tests to track average CPMs and, more importantly, safety. Some networks have a reputation for allowing rogue advertisers to introduce malware into their ads due to inadequate security requirements.

What Are the Types of Online Advertising Agencies?

One of the best parts about running an online advertising agency is that you have complete freedom to do whatever you want. You can work with any type of client you want, provide any service you want, charge clients however you want, and work as much as you want.

That being stated, some types of agencies are more common than others due to their profitability and demand.

The following are the most prevalent kinds of online advertising agencies:

  • Full Service: Full-service online companies can meet all or most of a client’s demands. They will have a staff of designers, creatives, analysts, and developers that will work on web development, SEO, social media management, and ad campaigns.
  • Single-Channel: Single-channel agencies specialize in a single area of online advertising. Focusing on a single marketing channel allows these companies to provide unique outcomes to their clients while also dominating a marketing channel.
  • Multi-Channel: Multi-channel agencies fall somewhere between full-service and single-channel agencies. These firms combine a few complementary marketing channels. For example, SEO and web design, or social media management and advertising on social media.

How to Start an Online Advertising Agency

When you want to start an online advertising agency, there is no set procedure that must be followed. Instead, use this rough structure to help your online advertising agency get off to a good start.

#1. Pick a Service/s to Offer

The first step on how to start your online advertising agency is to decide what service(s) you wish to provide to your clientele. You can operate as a full-service agency, providing one service or combining a few complementary ones.

Here are a few suggestions:

  • SEO
  • Social media
  • Pay-per-click ads
  • Email marketing
  • Video Marketing
  • Influencer marketing
  • Content marketing
  • Website design

A website design company offering SEO services to clients for whom they construct websites is an example of complementary services being matched together.

#2. Choose a Niche/s

The competition in online advertising is fierce, and there are already a metric TON of agencies. If you’re just starting out, being a generalist who services everyone will rapidly land you in the “everybody else” pile. Instead of fighting an uphill struggle, choose to stand out. This is accomplished by selecting a specialty and focusing specifically on the firms inside that niche.

The smaller your target audience, the more directly you’ll talk to them. Your clients will have a better understanding of what you do and will feel more at ease making swift judgments. Once you have these clients, you may build procedures around the repetitious job you undertake. You can eventually become a market leader.

#3. Find Clients/Market Yourself

The irony that comes with when you want to start an online advertising agency is that marketing will almost certainly be your most difficult issue. With over 500,000 marketing agencies competing for every last customer, standing out becomes a full-time job.

Because you are a marketer, you must be at your best while presenting your company to potential clients.

#4. Nail Down Service Delivery

If finding clients is the first half of establishing an agency, service delivery is the second. As the owner of a marketing agency, you must become used to not worrying about service delivery. This is the primary distinction between establishing a digital marketing agency and working as a freelancer. Freelancer spends the majority of their working hours performing client work, whereas agency owner spends their time developing procedures, teaching others to do client work, and acquiring new clients.

Best Online Advertising Agencies

Choosing the best online advertising agency for you might be tough. We’ve developed a list of the finest online advertising agencies to assist you in taking your brand to the next level.

#1. Google AdSense

The world’s largest ad network became such by allowing anyone to sign up for free and having a massive number of partners – including the world’s largest search engine.

Google AdSense normally pays the publisher 68 percent of the money from a sale and keeps the remaining 32 percent. It’s a sensible proportion because selling costs typically vary between 30 and 40% of total revenue. The minimum winnings are $100.

Although signing up for AdSense is simple, it is not certain that an applicant will be accepted. AdSense, unlike other networks, does not demand a minimum audience size, making it popular with new sites.

#2. is a rising competitor to Google AdSense due to its similar business model. It does not, however, accept as many new publishers as Google.

The company is a collaboration between Bing and Yahoo! Adverts appear on both of those sites, as well as partners who carry their adverts, similar to Adsense. The ad campaigns, like AdSense, are contextual.

The revenue split is not known. The minimum winnings are $100.


According to the company, is one of the largest online ad agencies, with almost 600 million global unique visits and relationships with more than 70 of the top 100 Comscore sites.

Its ad-serving system generates 140 billion impressions each month and spans over 25 content verticals.

A publisher must have at least 500,000 impressions per month to be eligible for the program.

#4. PropellerAds

Push notifications, click advertisements, interstitials, widgets, and smart links are all available from the company. It claims 150,000 publishers as clients and has been in business for eight years. It pays out monthly and has a $5 minimum withdrawal. The company does not specify any minimum site requirements, but it may reject sites based on quality or a lack of inventory in a content area.

#5. Exponential

According to the company that arose from Tribal Fusion, it works with “88 of the top 100 global brands.” “We focus on direct, first-look inventory access with premium publishers, allowing us to sell to premium advertisers at higher CPMs and with larger budgets,” the company adds.

Depending on the publisher, it offers three programs: self-service, technical service, and enterprise service. The enterprise service level allows for direct sales, but the other two do not.

The company needs 500,000 unique visitors per month, highly targeted content, and an appealing design. It, like all agencies, reserves the right to approve or reject any candidate, regardless of audience level.

#6. RhythmOne

RhythmOne, which has existed in some form for the past 20 years, evolved from the previously titled Burst Media. It has a much lower monthly minimum of 25,000 page views or 5,000 unique visitors.

It lists Gap, Payless, Old Navy, and Mott’s fruit juice as advertisers. In addition to display advertisements, the company offers advertiser-sponsored content and a video library.

Based on its name, Infolinks is one of the leading players in advertising type. It converts the words in articles into links and delivers a popup box at the bottom of the browser fold with links.

Other non-standard display placements employed by the corporation include adverts on the unused left and right edges of the page. It apparently serves over 2.5 billion ad impressions every month.

There is no minimum audience requirement for the product.

#8. WebFX

WebFX is one of the greatest advertising agencies in the business. With a 91% retention rate, it’s no surprise these men have such a stellar reputation. They understand the value of online advertising and prioritize successful online campaigns for your company. In terms of success, their clients typically see a 23% boost in revenue, and WebFX has generated over $1 billion in revenue for those clients so far.

#9. Sid Lee

At Sid Lee, “transforming the consumer experience across all touchpoints” is “their thing.” They feel that there are no distinctions between marketing and advertising because clients are continuously exposed to some type of promotion, no matter where they are. Their five locations across the world employ 600 people who have delivered outcomes for clients.

#10. McCann 

McCann Erickson is concerned with the concept of truth and how it is the only way to make credible advertisements. They’ve been able to run relatable marketing campaigns for brands like Microsoft, MGM National Harbor, New York Lottery, and Coca-Cola India based on their client’s demands. They begin by conducting market research with their clients in order to better understand each client’s competition. Following that, they will develop a strategy, organize the campaign, and discuss creative elements.

What Makes an Online Advertising the Best?

With so many online advertising organizations to choose from, how do you determine which ones to hire? Here is a list of characteristics that distinguish the top online advertising agencies.

#1. They communicate

Communication is essential in any connection, but it is extremely critical in business relationships.

When you entrust someone with marketing your company, you want to make sure that they know how to stay in touch, provide you with all of the key facts regarding your campaign, and do so on a regular basis.

#2. They’ve learned the ropes

The greatest online advertising companies have been in business for a long time and have had the opportunity to study the ins and outs of advertising tactics. Experience is important, and an online advertising agency that hasn’t been around for a while won’t be able to supply you with the same quality campaign that an experienced firm could.

How Much Does an Online Marketing Agency Cost?

In 2023, the typical cost of digital marketing services for small-to-medium-sized enterprises (SMBs) varies from $2500 to $12,000 per month, $50 to $500+ per hour, and $1000 to $7500 per project.

How Do Online Ad Agencies Make Money?

Typically, ad agencies sell their owned media, integrate it in client ad campaigns, or keep the rights to media created for the client’s campaign. They may agree to a percentage of earnings from any owned media with the client, or they may sell it entirely to clients and other ad agencies.

Is It Worth It to Hire a Digital Marketing Agency?

If you want to improve sales and traffic, you must hire a skilled digital marketing firm. A digital marketing agency may assist you in marketing your business online in order to attract new clients, increase revenue, and improve the reputation of your brand.

Is It Cheaper to Advertise Online?

As long as you don’t cut corners when selecting an agency, digital marketing is well worth the investment. If you do, you will just wind up paying for your error.

How Successful Are Online Ads?

Because it influences buying decisions on social media platforms, social media advertising is effective. On average, 28% of internet users discovered new products after viewing social media adverts.

How Can I Run Ads and Get Paid?

Advertisers who wish to promote the design of their products and pay for the advertising.

How Successful Is Online Advertising?

Brand recognition can be increased by 80% through digital ads. Consumers are 155% more inclined to check for your brand’s specific terms after seeing display ads. Customers are 70% more likely to buy after seeing a retargeting ad.


If you want to reap the full benefits of online advertising but aren’t sure if employing an agency is good for you, consider this question. Is there anyone on your team who is familiar with online advertising? Do they have the knowledge and instruments required to carry out a campaign for your company? If not, it is preferable to employ a professional to assist you. This is all you need to know.


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