Ciesco advises MMC, an Enterprise Contract Management and Compliance business, on its sale to PE-backed UK Accountancy firm, HW Fisher

Seller
Buyer
Location
United Kingdom
Date
07/08/2025
Sell side advisory
Enterprise Contract Compliance / PE-backed, Accountancy & financial advisory services

Transaction overview

HW Fisher, part of the Sumer Group, acquires Media Marketing Compliance (MMC), an industry-leading firm enabling businesses to achieve financial transparency throughout their media and marketing supply chain.

The acquisition strengthens HW Fisher’s forensic and audit capabilities by integrating its established expertise in licensing and investigations with MMC’s specialist knowledge in auditing media and marketing agencies across the globe. Together, this creates a comprehensive service offering to help clients audit and protect significant marketing and advertising spend.

With more than 20 years’ experience across 110+ countries, MMC is a trusted partner to leading advertisers worldwide. The team provides specialist expertise to ensure transparency and accountability in marketing spend, independently auditing contracts, costs, and delivery to help businesses verify that budgets are used effectively and deliver real value.

With the global advertising industry valued at $1 trillion annually, the acquisition responds to increasing client demand for specialist media and marketing auditing capabilities, meeting the needs of the complex media and advertising landscape.

About MMC

MMC conducts financial compliance audits for advertisers across the globe to deliver transparency in the media and marketing supply chain by verifying the amount they spend on media and advertising is correctly applied according to their contractual agreements. MMC’s compliance audits deliver a robust service leading to hard cash recoveries for its clients as well as added value through optimising contract terms and reporting requirements providing the client with increased protection, transparency, and savings in the future.

Visit website

About HW Fisher

HW Fisher is part of the Sumer Group, a top 12 accountancy practice. The company provides expert accountancy, tax, audit, corporate and financial advisory services to high-profile entrepreneurial SMEs, partnerships, VCTs, large corporates, not-for-profits, charities, high net-worth individuals and the property sector. HW Fisher have 26 partners and around 300 staff based in London.

Visit websitE