It sounds really interesting! I am sure there must be thousands of potential clients around the Canary Whart area.
An advertorial is something we used to do when I worked in women's glossies an age ago, I will try and find one...
the middle page is an advertorial
a hair one
And here you are metro rates information but you would need to ring them.
With an advertorial, you would pay for a page or a double page spread (used to cost a couple of grand but god knows how much it would be now!!) and you would go in and talk to an advertorial person at the paper. They would then brief the designers who would come up with a proof for you to look at. Then when you are happy, you could go for it and it would appear in the next edition.
I reckon your local area is a brilliant place to start. If I were you I might also do a mail shot (a leaflet explaining your services) and see if you can drop leaflets around the properties around canary wharf. This would be done by British Mail tend would go out with the post.
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You could also do this within a newspaper, something like Metro would be good after you have advertised a few times.
You might be able to ask some of the companies to put leaflets in their shops/cafés/hairdressers etc.
If you are feeling really ambitious you could hand out leaflets in the wharf plaza or somewhere central. It has changed loads since I was last there I am sure!! You could also have on you those little carts (think an ice cream cart type thing) and have a couple of chairs so that people could come and ask you what you do and you could also get a couple of mates to hand out flyers! You know like you see some companies doing, sky or The AA for example.
Depending on your available budget you should be able to combine a mailshot in the paper (or any paper or magazine for that matter) with a series of adverts and an advertorial. That's what I would recommend!!!
But it really depends on how much you have to spend.
Facebook is also a good move, as you can closely target people and postcodes and you only,pay if someone clicks on your advert. I think it's about 30p for each time someone clicks on your advert.
The other option you have is to find an advertising agency who will do all this for you!!!
I am impressed that I have remembered all that!!! Maybe I should go back into it!!
I gave my dad a thousand pounds to invest for me a few years ago and he bought some shares in red rock, a mining company and then they fell right out the bottom of the toilet so I am no good at financial stuff!!!