Department profile
Sigma7 Business Intelligence

Investigative Due Diligence

Crisis & Risk Management Guide 2026 : Global-wide


Sigma7 Business Intelligence

Rankings

Chambers Review

Provided by Chambers

Investigative Due Diligence - Global-wide

Band 1

Band 1


What the Team is Known For

Sigma7, formerly known as Alaco, is a business intelligence firm with market-leading capabilities in investigative due diligence. Its compliance and transaction advisory team advises clients on upcoming transactions or existing investments. The firm serves significant global financial services clients, as well as international corporations, law firms, family offices and international development institutions.

Strengths

Provided by Chambers

  • Sigma7 provides bespoke due diligence and investigations that require in-depth research and they do it extraordinary way.

    Investigative Due Diligence respondentCrisis & Risk Management
  • Sigma7 has particular strength in regions where reliable public data is limited. Rather than generic outputs, they customise due diligence reports based on the client’s risk appetite, industry and transaction context, making findings more actionable.

    Investigative Due Diligence respondentCrisis & Risk Management
  • Sigma7 offers very thorough reports, consistent with time and competitive budget.

    Investigative Due Diligence respondentCrisis & Risk Management
  • Sigma7's work has been top-notch. They are very detailed without losing focus on the overall context. They also do a good job of balancing and weighing conflicting evidence without jumping to conclusions. We have overall appreciated their ability to handle highly-sensitive issues.

    Investigative Due Diligence respondentCrisis & Risk Management
  • At Sigma7, it's not just about the information, it's what they do with it. Their results and advice is really good quality.

    Investigative Due Diligence respondentCrisis & Risk Management

Notable Practitioners

Provided by Chambers

  • Band 1Oliver Gorton
    Band 1Oliver Gorton

    Oliver Gorton

    Oliver Gorton is a corporate investigator, with vast experience in leading complex pre-transactional investigations and providing due diligence services. He frequently advises clients on matters centred around the Latin America, APAC and EMEA regions.
    • Oliver definitely showcases a discreet and confidential approach and sector knowledge.

      Investigative Due Diligence respondentCrisis & Risk Management
    • Oliver provides excellent client service, has a very significant depth of knowledge and expertise in areas and topics of interest to our firm, and applies a commercial awareness with is well suited to our needs.

      Investigative Due Diligence respondentCrisis & Risk Management
    • Oliver has a good understanding of the industry he's in and what the client needs. He just really gets it.

      Investigative Due Diligence respondentCrisis & Risk Management
    • Oliver is very professional and always pleasant in his communication. He is knowledgeable in his field and he's very transparent.

      Investigative Due Diligence respondentCrisis & Risk Management

Ranked Individuals at Sigma7 Business Intelligence (1)

Global-wide

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