Cinven and GIC to Acquire Miller

Cinven and La Caisse to Acquire Optio Group Specialty MGA Platform

July 27, 2026

Insurance

Cinven, alongside La Caisse, has agreed to acquire Optio Group, a UK-headquartered specialty insurance Managing General Agent (MGA) platform. The parties cite Optio’s capital-light underwriting model, structurally growing specialty insurance end market, and opportunities for continued organic and M&A growth, with the deal subject to regulatory approvals and customary closing conditions.

Gibraltar Capital Management Acquires Miller Equity Capital Advisors

January 15, 2025

Financial Services

Gibraltar Capital Management, a Tulsa-based Registered Investment Advisor, has acquired Dallas-based Miller Equity Capital Advisors, founded by Mark Miller. The deal expands Gibraltar’s advisory network and capabilities—bringing the firm above $1 billion in assets under management and extending its reach across North Texas, Oklahoma, Arkansas and Colorado.

GIC Acquires Cinven's Stake in Miller

December 11, 2023

Financial Services

Singapore sovereign wealth fund GIC has agreed to acquire Cinven’s shareholding in Miller, making GIC the majority shareholder in the specialist insurance and reinsurance broker. Miller, headquartered in London with more than 900 employees and placing over $3.2bn of premiums annually, was previously acquired by Cinven and GIC from Willis Towers Watson in 2021; Cinven’s sale completes its exit.

Cinven to Acquire International Financial Group Limited (IFGL)

February 1, 2022

Financial Services

Cinven, the international private equity firm, has reached an agreement to acquire International Financial Group Limited (IFGL), a life insurer headquartered in the Isle of Man that administers £19 billion of assets and employs more than 550 people. IFGL operates the RL360, Ardan International and Friends Provident International brands; financial terms were not disclosed and Cinven said it plans to support IFGL's buy-and-build strategy, product expansion and international growth.

Arthur J. Gallagher & Co. Acquires Willis Towers Watson Treaty Reinsurance Brokerage Operations

December 1, 2021

Insurance

Arthur J. Gallagher & Co. completed the acquisition of substantially all of the treaty reinsurance brokerage operations from Willis Towers Watson plc. The deal combines Gallagher's existing reinsurance business with the acquired operations to form Gallagher Re — a unified global reinsurance platform with roughly 2,400 colleagues across more than 70 offices in 31 countries, enhancing Gallagher's reinsurance capabilities and analytics.

Mercer Global Advisors Acquires Miller Advisors, Inc.

September 27, 2021

Wealth Management

Mercer Global Advisors, a Denver-based RIA majority owned by Oak Hill Capital and Genstar Capital, has acquired Miller Advisors, Inc., a Kirkland, Washington wealth management firm with approximately $240 million AUM serving ~200 clients. The acquisition expands Mercer’s Pacific Northwest presence and supports succession and career development for Miller’s founders and team, who will join Mercer.