The long-rumoured deal is believed to be set to conclude in the next few days.
The move follows Dunedin’s 2016 investment in Kingsbridge.
Broker is Higos' fifth deal since becoming part of GRP in 2017.
Bedfordshire-based broker is the company's third deal in 18 months.
Reid Briggs and Clifton Morley together bring a GWP of £9.2m to Greens.
Professional Insurance Agents is the first deal for Cavendish Munro since it was bought by Global Risk Partners in 2016.
Sky News says Allianz is frontrunner in race to buy the business after L&G put it up for sale late last year.
MD Nick Houghton says broker is looking to make more acquisitions.
The incubator was launched in 2017 by Vibe UK Holdings.
The business is to become part of the Arch UK Regional Division and follows its deal to buy Axiom Underwriting earlier this month.
Firm has seen an number of employment changes as it works to merge the two brokers following PIB's acquisition of Lorica in March last year.
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Ceta CEO John Bibby has indicated he would be interested in finalising another deal before the end of the year.
Deal is Aston Lark's third this year.
The broker has bought the UK’s largest beach hut insurance provider in its first deal since an MBO at the business.
Provider says results were impacted by bad weather as it gears up for deal with Markerstudy.
Deal follows Arch's purchase of Ardonagh's commercial MGA businesses last year.
MGA reveals it has also raised £16m to continue to make more acquisitions.
The MGA has also created a broking arm, Xenia Broking Group.
Deal was approved by the European Commission last week.
Deal is the consolidator's second in 2019.
Purchase has been approved by the European Commission.
Newport-based broker says it aims to keep the Bayliss & Cooke brand, with all 14 staff remaining with the firm.
Broker Network Partners rebrands as Ethos to separate deals from its networks as CEO Des O’Connor reiterates that the networks will remain apart.