It is futile to find what the global online advertising industry is worth. You will find it several billion dollars in US, several billion pounds worth in UK, and may be several billion for more countries. These are just the estimates revealed by industry experts and the precise worth can be more than given figures.

Internet or online advertising is on a spree. The figures given above and the growth in the industry is a clear indication as where the business enterprises are spending. And why not; the web is the cheapest yet effective medium nowadays.

In the online industry, advertising and marketing are closely related and there is more of overlapping or convergence than points of distinction. Internet advertising company primarily provides two kinds of services – the classified advertisements and brand promotions.

Like print media, the space on the web pages is sold. An online advertising agency sells the space on the web sites. The agency also helps in developing and placing of advertisements in any given space bought by the client. The advertisements can be small classified ads, banner ads, pop up and pop under ads, etc. Such a service is provided for clients who have unique requirements, often for a small period of time.

In brand promotions, the advertising agency has a renowned brand owner as its client and is supposed to promote and advertise for the same. The advertising campaign is extensive and advertising is carried over a number of web channels.

Online advertising agency exists as a business-to-business service that helps online web source owners to advertise for the clients. One of the unique resources possessed by online ad agencies is the advertisement serving programs. These programs help to place the relevant advertisements on the web site of different publishers. The advertising agency provides for the registration of both clients and publishers as well their requirements.

The reach and access of Internet is also increasing. With more number of people interacting on online platforms, the advertising agency is bound to grow in the next few years. Its worth and its value can only be estimated or just felt.