The phrase "actively expanding" is correct and usable in written English.
It can be used to describe a process of growth or development that is currently taking place, often in a business or organizational context.
Example: "The company is actively expanding its market reach by opening new branches in different cities."
Alternatives: "rapidly growing" or "continuously developing".
Understand your own world-view biases and challenge these biases by actively expanding your awareness.
This nation is the only G7 country to be actively expanding fossil fuel subsidies.
They host two three-hour parties a month and are actively expanding their community of volunteers and participants.
Many airlines are already actively expanding such marketing opportunities in ground transportation, hotels, restaurants, theater, concerts and leisure activities.
The trust is actively expanding this nature reserve by buying farmland and creating new wildlife habitats, where Konik ponies and Highland cattle are put out to graze.
And many other large real estate companies are actively expanding right now -- opening new offices, setting up new groups, moving to acquire smaller agencies and hiring brokers by the dozen.
Both companies have also actively expanded overseas in recent years, snapping up assets in Australia, Europe and elsewhere in a bid to reduce their dependence on the Japanese market.
EU politicians must actively expand their win-sets from the municipal and regional levels, addressing the concerns and engaging the energies of their constituencies.
And there is at least the possibility, according to Meir, that TravelPerk could actively expand outside Europe within the next 12 months.
The collagen-entrapped stem and progenitors actively expanded and efficiently generated neurons, which developed neuronal polarity, neurotransmitters, ion channels/receptors, and excitability.
The rigid arms of the customized RPE appliance were designed to fit in the cover screw hole, which were made to be 1 mm in the actively expanded state in the laboratory.
