It is difficult to generalise about implementation of responsible investment in private debt as the latter comprises so many different investment strategies. 

Instead, we have identified the main characteristics of various private debt strategies. In the section A framework for responsible investment in private debt we explain how these characteristics relate to different responsible investment approaches.

Figure 9: key characteristics of various private debt strategies

Private debt strategy/typeDescriptionTypical credit ratingFlexibility of termsStakeholders(excluding borrower)Availability of public ESG data and related ESG researchExtent of lender influenceLevel of liquidity

Leveraged loans

Loans made to companies typically to finance acquisitions, mergers and leveraged buy-outs by private equity sponsors and other leveraged owners.

High yield

Fixed

Multiple investors

Good for public companies

Medium

Average

Private placement

Unlisted debt securities typically issued by investment-grade (and occasionally sub-investment grade) companies to a select group of investors. Structured as bonds, notes or loans.

Investment grade/high yield

Fixed

Multiple investors

Deal arranger

Poor for private companies

Low

Illiquid

Syndicated loan

Loans arranged by banks or other entities on behalf of a single borrower, offered to a group of lenders (a syndicate).

High yield

Fixed

Multiple investors

Deal arranger

Poor for private companies

Low

Illiquid

Unitranche

A hybrid loan structure that combines senior debt and subordinated debt risk into one single senior loan with a blended interest rate, without the use of intermediaries such as banks.

High yield

Flexible

Single or small number of investors

Poor for private companies

Medium

Highly illiquid

Distressed debt

Investments in debt of entities in financial distress with the expectation of participation in the upside of the entity recovering.

High yield

Flexible

Single or small number of investors

Poor for private companies

Medium

Illiquid

Public debt/Bonds

Debt instruments which are tradeable on an exchange. Issuers include government-related entities, banks, corporates and special purpose vehicles (SPVs) created to finance projects or asset pools.

Investment grade/high yield

Fixed

Multiple investors

Good for public companies

Low

Liquid

Corporate direct lending

Loans to conservatively managed mid-sized companies made on a bilateral basis without the use of intermediaries such as banks. Every deal has a unique negotiated structure.

Investment grade/high yield

Flexible

Single or small number of investors

Poor for private companies

Medium/low

Illiquid

Mezzanine debt

A hybrid of debt and equity financing that is comprised of subordinated to senior debt.

High yield

Fixed

Single or small number of investors

Poor for private companies

Medium

Highly illiquid

Infrastructure debt

Typically long-term project-type debt investments used to finance development, upgrades or ongoing maintenance of infrastructure assets.

Investment grade

Fixed

Multiple investors

Poor for SPVs

Medium

Liquid

Real estate debt

Typically long-term project-type debt investments used to finance development, upgrades or ongoing maintenance of property assets.

Investment grade

Fixed

Multiple investors

Poor for SPVs

Medium

Liquid

Matching RI implementation to private debt

Matching RI implementation to private debt