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The next generation of global investigations and business intelligence.

Who we are

We are a global due diligence, investigations, and business intelligence firm that helps clients identify and mitigate risk, shape strategy, and achieve success.

3,000+

investigative interviews completed globally

0+

countries where we’ve worked; >30 on the ground

$0T+

AUM by investor clients, including serving one-third of PEI Top 25 PE firms

0%

of AmLaw 50 served; 40% of AmLaw 100

100%+

organic growth in last five years

0%

employee-owned and independent

Testimonials

Quinlan's reports are very detailed and they are available on demand. Their client care is superb. You just know you are in good hands.

Chambers & Partners

Investigative Due Diligence - Global-wide

Quinlan is extraordinarily efficient in its work and delivers exactly what it promises.

Chambers & Partners

Business Intelligence & Investigations - Litigation Support

I am a big fan of the Quinlan group, I think it is absolutely fantastic. It is responsive, technical and very efficient.

Chambers & Partners

Business Intelligence & Investigations - Litigation Support

Quinlan Partners is very receptive to the specific needs of any ask and is creative in coming up with a tailored solutions that are commercially reasonable in complex situations.

Chambers & Partners

Investigative Due Diligence - Global-wide

The depth of the quality of the research they were able to do was exceptional. It goes far beyond a background check.

Chambers & Partners

Investigative Due Diligence - Global-wide

Quinlan is efficient, fast and reliable. They jump in and get to work quickly. The team is very responsive and produces exceptional work product.

Chambers & Partners

Investigative Due Diligence - Global-wide

They have done a great job for us and really understand our pace and sensitivity. They seem to have great commercial judgment. They are able to understand the dynamics of a business and situation.

Chambers & Partners

Investigative Due Diligence - Global-wide

Their work has been incredibly valuable and provided insight for our clients on issues involving transactions and potential hires of key principals.

Chambers & Partners

Business Intelligence & Investigations - Litigation Support

Quinlan Partners is extremely responsive, commercial and practical. Quinlan routinely keeps us updated on developments, flags anything we should be paying particular attention to, helps contextualize and benchmark results. All of this is incredibly valuable and adds value.

Chambers & Partners

Business Intelligence & Investigations - Litigation Support

Quinlan is incredibly diligent - they get to the bottom of everything. They are resourceful and creative and they come up with solutions to difficult tasks.

Chambers & Partners

Business Intelligence & Investigations - Litigation Support

Quinlan Partners has proven to be extremely responsive, transparent in the scope of their services and costs, and have provided services that demonstrate their incredible attention to detail.

Chambers & Partners

Business Intelligence & Investigations - Litigation Support

The team at Quinlan Partners has diverse backgrounds giving them a deep understanding of the issues and interests facing clients. Independently, each member of their team was incredibly capable, and their team composition results in each team member enhancing the work of the others.

Chambers & Partners

Business Intelligence & Investigations - Litigation Support

Quinlan is exceptional at what they do. I think the team is exceptional. They're able to find documents that no others can find and the customer and company feedback is extremely high quality.

Chambers & Partners

Investigative Due Diligence - Global-wide

Quinlan has a very high end, white glove service model. They use all the available technology, but couple it with an investigative journalist's savvy and thoughtfulness.

Chambers & Partners

Investigative Due Diligence - Global-wide

Quinlan stands out for their ability to generate proprietary, ground-level intelligence on compressed deal timelines without compromising discretion.

Chambers & Partners

Investigative Due Diligence - Global-wide