'spic-and-span' is correct and usable in written English.
You can use it to describe something that is very clean and orderly, for example: "The office was spic-and-span after the janitor finished his shift."
He turned the Vologda Dairy Factory into a spic-and-span milk palace.
Keeping their files in a spic-and-span state probably wasn't their No. 1 priority".
But the spic-and-span wholesomeness of "Rabbit-Proof Fence" ultimately makes its sting all the sharper.
Add to that an airy, spic-and-span restaurant and a staff willing and eager to serve.
As the decades passed, a clamorous tropical settlement reinvented itself as a spic-and-span outpost of the developed world.
This freighter, the Aranui, turns out to be "a floating warehouse with a spic-and-span 1970's-era Holiday Inn on top".
Wherever you go, Chicago seems to be spic and span.
Paul makes sure the apartment is spic and span before Marijana arrives, even orders flowers.
"By the time we open, everything will be spic and span," said Mr. Henderson optimistically.
On the advertising front, the government's goal has been to make Beijing look spic and span.
