The deal is set to create one of the largest payment processing companies in the world, handling $147bn annually.

Yandex has agreed to a $1bn deal to wholly acquire the self-driving technology spinoff, jointly formed with Uber, and three other businesses.

The investment firm has taken a majority stake in the sales communication platform developer, which had raised over $100m from investors including HubSpot.

WordPress and Tumblr-owner Automattic has acquired Frontity, a portfolio company and creator of a WordPress site development tool.

Customer engagement management technology provider Plaid has become the major shareholder of a portfolio company that runs a similar service.

The last-mile delivery service provider has bought the e-commerce software developer in a $42m deal enabling Dunnhumby and Woodman's Market to exit.

WPP has acquired UCL spinout Satalia for an undisclosed amount, almost 13 years after being founded.

Ferrovial and Mitsui Fudosan helped mobility platform developer Maas Global hike its latest round to nearly $46m while automotive technology developer Visic Technologies raised $35m.

The $3bn merger of meditation app developer Headspace and digital mental health services provider Ginger would present a new path for a plethora of corporate investors.

M12 helped cybersecurity software producer Hunters raise $30m while Scor and Transamerica are set to exit patient monitoring software developer 100Plus.