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Online Investments Pty Ltd t/a Mayfair 101 (ABN 981 34 785 890) provides investment and corporate advisory services including funds management, asset management, capital raising, corporate advisory, M&A (merger & acquisition) advisory, and direct investment either directly or via its wholly owned subsidiaries.


Mayfair 101 is a Corporate Authorised Representative (CAR # 001274568) of Quattro Capital Group Pty Ltd (AFSL # 334653). Mayfair 101's authority under its Corporate Authorised Representative Agreement with Quattro Capital Group Pty Ltd is limited to the provision of financial services to Wholesale clients only pursuant to the Corporations Act (Cth), including advice relating to deposit products, foreign exchange contracts, derivatives, interests in management investment schemes, and securities.  Mayfair 101 and its wholly owned subsidiaries are not deposit-taking institutions in Australia or the United Kingdom and are not authorised to conduct retail banking activities as specified in the Banking Act 1959 (Cth). 

© 2020 Mayfair 101. All rights reserved.

About Mayfair > Overview

"Mayfair 101 activates opportunities
that matter"

Our Mission

Mayfair 101's mission is to activate remarkable opportunities that have a strong social component and leverage the group's resources to create win-win outcomes.

A family-owned and operated investment group


Mayfair 101 is the family office of the Mawhinney family.  It was founded by James Mawhinney in 2009 and scaled up in recent years by accepting co-investment via Mayfair 101 brands including Mayfair Platinum and IPO Wealth.

We are a passionate team that thrives on identifying, initiating and nurturing remarkable investment opportunities in a mindful and diligent way.

Mayfair 101 places a strong focus on "activating opportunities that matter", meaning we are committed to delivering socially responsible outcomes at scale via Mayfair's brands.

» Learn more about Mayfair 101's Advisory Board

“The team at Mayfair 101 is professional and forward thinking when it comes to making strategic investments. I was most impressed with their thorough and methodical due diligence process which ensures that they identify and make quality investments in scalable businesses with higher ROIs, thus enabling investors to earn a strong, consistent return on their money. I would gladly recommend Mayfair 101. ”  
- William Wong, Liven (Founder & CEO)
In the Media