About Hamilton Blackstone Lawyers

Regulatory and Mediation Expertise to Protect Your Business, Safeguard Your Future, and Resolve Complex Challenges

Our Mission

Our mission is to strengthen financial businesses through strategic legal guidance that balances opportunity with protection. We partner with our clients to navigate regulatory complexities while empowering their growth and innovation. Through clear communication and proactive counsel, we transform legal challenges into strategic advantages.

We are guided by unwavering integrity, deep industry expertise, and an authentic commitment to our clients’ success. Every interaction reflects our dedication to excellence, accessibility, and practical solutions that deliver measurable value.

By providing certainty in uncertain regulatory environments, we enable our clients to move forward with confidence, knowing their interests are protected and their ambitions supported.

Our Values

Our Client-Centric Approach

Hamilton Blackstone Lawyers delivers practical legal solutions designed specifically for regulated businesses. Our client-centric approach is designed to protect your interests and provide early warning of regulatory shifts.

We translate complex legal requirements into clear, actionable guidance you can immediately implement. Rather than simply identifying problems, we develop strategic response plans that transform regulatory hurdles into business opportunities.

Every client relationship begins with understanding your business objectives. This foundation allows us to provide advice that not only addresses immediate legal concerns but supports your long-term goals. We measure our success by your ability to operate with confidence in challenging regulatory environments.

Our commitment extends beyond transactional legal work. We position ourselves as an extension of your team – a trusted advisor invested in your sustained growth and protection.

Record of Success

Cristean has proven expertise defending financial services businesses against regulatory challenges, with a remarkable record for overturning and minimising adverse ASIC actions and sanctions. As former General Counsel for StatePlus (now Aware Super), he led major transformational projects including the company’s rebranding, sale, and digital transformation initiatives while supporting a network of 160 advisers across 19 offices.

His expertise spans across multiple regulators including ASIC, APRA, ACMA, ATO, and the TPB. Cristean has successfully implemented governance and regulatory frameworks for financial services marketing providers, AFSLs, and super funds while influencing industry regulation during pivotal reforms. Cristean represents financial planners in complex disputes while helping businesses navigate investigations with strategic, results-focused counsel.

Cristean has written and spoken widely on tax, financial services, estate planning, regulatory affairs, and corporate law.

Why Choose Us?

Accredited Expertise

Cristean has 20 years of experience as a legal expert, Regulatory Response Specialist, and Nationally Accredited Mediator.

A client-focused approach that blends understanding with clear, actionable strategies.

Trusted by financial services associations and clients across Australia to deliver results.

Tailored solutions for mediation and regulatory support, ensuring your unique needs are met.

At Hamilton Blackstone Lawyers, we believe every client deserves the confidence to move forward, knowing their business and interests are protected.

Whether resolving disputes through mediation or safeguarding your financial services business, we are here to guide you every step of the way.