formal letter

To whom it may concern,
I am writing on behalf of my firm of event organization firm. As I believe you are aware this year (redundant--dici 2015) EXPO 2015 has been set in Italy EXPO 2015, which now is and is now approaching to the end.
This has been a huge occasion great opportunity for different cultures for having to have a dialogue and an exchange of ideas.

Albeit While this event had has been considered somewhat messy and disorganized, especially for what concern with the incredible queues in front of the pavillons, me and my colleagues and I think that it should would be insane not to continue this initiative after all the positive effects it has brought to one of our most important city cities: Milan.

We’re looking for a financial help to make this aspiration become true. (move below)

So we would like to The idea consists in recreate the same kind of environment and a similar atmosphere* but in on a smaller scale in order to enable local people and tourists to enjoy an a more intimate EXPO all year long.
Our stands would offer every species type of food from every part of Italy with the relative respective explanations of origin and preparation.
In addition, for most curious those interested, we were are planning a special area where important chefs taught teach how to cook traditional dishes [and all it should be know about original products--non ha senso**]

We're We are looking for a financial help to make this aspiration become true. We would be very happy to promote you as our a key sponsor and we could organize a meeting at any time that is convenient to you.

Yours faithfully Sincerely,

(il tuo nome)

* environment and atmosphere are redundant

** Che cosa vuoi dire qui in italiano?

Remember not to use contractions in a formal letter.

This is an interesting plan! Hope you get the money you need!

David

formal letter

To whom it may concern,
I am writing on behalf of my firm of event organization firm. As I believe you are aware, this year EXPO 2015 set took place in Italy.  Expo 2015 is now nearly over. It has been a huge important occasion for different cultures for having a to interact dialogue and an exchange of ideas.

Abeit Although this event had been considered messy and disorganized, especially for what concern the incredible long queues in front of the pavillons, me and my colleagues and I think that it should would be insane not to continue this initiative after all positive effects it brought to one of our most important citiesy: Milan.

We’re looking for a financial help to make this aspiration became true become a reality.
The idea consists in recreating the same kind of environment and atmosphere but on a smaller scale in order to enable local people and tourists to enjoy an intimate EXPO all year long.
Our stands would offer every species type of food from every part of  all over Italy with the relative explanations of origin and preparation.
In addition, for most the curious, we were are planning a special area where important chefs taught teach how to cook traditional dishes and all it should be know the necessary information about original products the local ingredients.

Naturally we would be very happy to promote you as our key sponsor and we could organize a meeting at any time that is convenient to you.

Yours faithfully

Queues: This is Brittish.  If your taget audience is American, I'd use "lines"

Would be insane: This is rather informal.  I would write "that this initiative should be continued"

Hope that is helfpul

- Max