The message says: "I sincerely congratulate Emmanuel Macron on his outstanding victory! A remarkable credibility of the French people for a united Europe!
"We are counting on an ambitious cooperation with France and a boost to the Normandy format!"
Later, the presidential press service noted: "President of Ukraine Petro Poroshenko has sent a written message to Emmanuel Macron to congratulate him on having been elected president of France."
According to Poroshenko, Ukraine has been enthusiastically watching Macron's brilliant campaign.
"The choice of the French people is a vivid evidence of the victory of a progressive Europe of freedom over an alternative Europe of nationalism," the message notes.
Poroshenko offered reassurance that Ukraine will always be a reliable partner of France on this track.
He expressed special gratitude to Emmanuel Macron for his personal uncompromising support for Ukraine faced with ongoing Russian aggression.
"The stance you demonstrated in the course of the election campaign instills confidence that with your victory Ukraine has gained a reliable ally in the Normandy format and in the efforts to restore its sovereignty and territorial integrity," the message reads.
The Ukrainian president expressed hope for France's facilitation in the implementation of Ukraine's European aspirations.
Petro Poroshenko invited the newly elected president of France to pay a visit to Ukraine at his convenience.