Seven of the newly acquired sites are in Dublin, with the remaining two located in Westmeath and Meath.
The value of acquisition was not disclosed, with the deal subject to approval from the Competition and Consumer Protection Commission (CCPC).
Around 142 people are currently employed at the nine forecourt locations, with all employees set to become Circle K staff following the deal.
This will bring the number of people employed by Circle K to more than 2,500 in Ireland, with the number of company owned and operated stores rising to 177 across the country.
It also reported today that this figure increases to 419 when it includes its dealer partner network of 242 locations in Ireland.
The newly acquired service stations will be rebranded in the coming months, the forecourt retailer reported.
Circle K said that it has invested €230m into the Irish market since its arrival in 2016. This includes the addition of new locations across the country, as well as upgrades to existing stores and addition of new infrastructure. such as electric vehicle charging points.
“This acquisition is a key part of Circle K’s growth strategy and will significantly enhance our established and extensive convenience store and forecourt network,” Circle K Ireland managing director Ciara Foxton said.
“Every week, we welcome approximately 1.5 million customers to our stores, and this will now enable us to serve the needs of even more customers in Ireland, providing them with the quality products and services they come to expect when they visit Circle K,” she added.
In April, the CCPC announced that it would carry out an in-depth investigation into Maxol’s proposal to acquire Naas Fuels, which owns seven Circle K service stations in Leinster.
These service stations included in the acquisition are located in Wicklow, Kildare, Laois, Wexford and Meath.
The authorities were notified about the deal in December but opted for a more in-depth investigation earlier this year in order to determine if the acquisition would lead to a substantial lessening of competition in the State.
Maxol owns 243 service stations across Ireland, operated by a mix of independent owners or directly by Maxol itself.