If you are of the opinion that the best digital marketing company Delhi NCR could give a guarantee of success then you are being fooled. An SEO agency can only promise a good job and calculate results on the basis of the work done but it would avoid any type of guarantee of success.
Why digital ad agencies give guarantee of success?
You can divide these agencies into good and bad. The first agency would guarantee serious work that yields excellent results. But the second agency would use the word guarantee for marketing and bagging as many projects as it can. Finally, it will backtrack on its promise.
How should I determine reliability of a digital ad agency?
The best way check reliability of an ad agency is to check its work. You should check who its clients and are what its customers have to say about its work. Also, you should look at the feedbacks as the reviews could be fabricated by marketing agents of that agency.
You can check social media of the agency you want to hire for digital marketing. Its posts, replies and comments would help in determining its client service. An agency that cares about its online reputation and client service, would be careful with its social media activity.
Could I get guarantee of success in paid marketing?
Even the best PPC services company Delhi NCR would avoid giving any type of guarantee of success in managing your AdWords account. But it would promise serious work to achieve success in paid marketing.