John Castello

Director – Executive Legal Recruitment & Search Consultant | Law Firm Sales


What I love about legal recruitment is the incredible quality of people I meet every day and the opportunities I get to change their lives.

I am passionate about people, business, sales, marketing and leadership and recruitment brings all of these areas together in one.



My Areas of Expertise.

Special Counsel to Partner Level Appointments

I have experience recruiting candidates across all areas of law for the following positions in boutique, mid-tier, top-tier and global law firms for the following positions:

  • Special Counsel

  • Salary Partner

  • Equity Partner

  • Managing Partner

  • CEO

Deputy General Counsel to General Counsel

I have experience recruiting candidates across ASX listed and unlisted companies, government departments and not-for-profit organisations for the following positions:

  • General Counsel

  • Deputy General Counsel

  • Company Secretary
  • Deputy Company Secretary
  • Corporate Governance and Risk Manager

Law Firm Sales

I am also a licensed business broker specialised in selling and merging law firms.

I have experience in succesfully selling state based law firms to large national law firms in Australia.

My Recent Appointments.

General Counsel and Director of Corporate Governance & Risk | Leading Private Hospital

We were engaged by a leading Victorian private hospital to appoint their General Counsel and Director of Corporate Governance & Risk.

After completing a full legal executive search of the Victorian market we successfully placed an outstanding candidate into the position.

Director of Family Law | Fast Growing Law Firm


We were engaged by as fast growing law firm to assist them to establish a new family law division for their practice. We conducted a search of the market and successfully appointed a Family Law Director together with their entire family law team for the firm.

Law Firm Sale | National Law Firm


We were engaged by the Managing Director of a national law firm to assist in finding a suitable firm to acquire their practice.

We shortlisted a number of suitable parties based on our knowledge of the market and successfully sold the firm within a short period of time.


Professional, attentive and personable, John Costello held our hand throughout the pleasant experience, and always keeping us informed along the process. Would recommend Gatehouse legal for your legal brokering requirements.



John Castello is professional, efficient and trustworthy. John really listened to what I was looking for – a firm with a positive culture, quality work and growth prospects. To find the right fit for me, John approached one of his trusted contacts from a reputable firm. While the firm was not actively recruiting, I was invited to an interview and a role was created for me. The entire process took just a few weeks.

This opportunity has accelerated my career development. I am so grateful to John for helping me find a firm where I plan to stay long term.


Current Legal Opportunities.

Family Law Principal (Head of Department): Long Established Successful Firm

Rare opportunity to join this highly regarded, long-established and successful law firm that is in a growth phase with around 65 people.

Find out more >>

Partner – Employment Law Partner – Mid Tier Law Firm

This is a unique opportunity for a Senior Employment Lawyer to join one of Australia’s most respected national law firms who are in an exciting growth phase and looking to make a strategic appointment of an Employment Law Partner to their Team. 

Find out more >>

Specialist Family Law Firm for Sale – Melbourne

This specialist family law firm was established over 30 years ago and has an excellent reputation and brand in Melbourne and internationally.

Find out more >>

About Me.

John is one of Australia’s most respected executive legal recruitment and search consultants, driven to source outstanding opportunities for his candidates and the best legal talent for his clients.

John is very passionate about the legal profession and specialises in executive level legal searches for Partners, Special Counsels, Senior Associates, General Counsels and Senior Legal Counsels. John also assists his clients in establishing new law firms and facilitating law firm mergers and acquisitions.

As both a former lawyer and a specialist legal recruiter, John has been able to use his experience to build a loyal network of candidates and clients, and develop meaningful relationships with key stakeholders around the country

Law Firm Sales

John is also a licensed business broker specialised in selling and merging law firms.

He has achieved success for vendors and has assisted business owners and prospective purchasers in finding opportunities that suits their individual needs and legal expertise.

Level 1, 530 Little Collins Street, Melbourne VIC 3000

Phone: + 61 03 9909 7187



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