Scoring and Ranking Methodology

OVERVIEW

The SustainabilityPlus model is built on 3 founding pillars:

Transparency

The use of only verified open-source data

Consistent application of scoring principles and parameters on a peer-to-peer basis

SustainabilityPlus provides an industry-leading approach to assessing corporate sustainability performance. Unlike traditional sustainability frameworks, which may rely on self-reported data, SustainabilityPlus employs a combination of artificial intelligence (AI), machine learning, and proprietary methodologies to analyse companies across multiple sustainability dimensions. The methodological framework used in determining sustainability scores references academic principles and follows mathematical and statistical methods.

SustainabilityPlus employs a multi-layered AI-driven methodology to assess companies across 170 sustainability metrics distilled down to 66 individual AI prompts, combining quantitative analysis with qualitative evaluation. Initially, the system integrates three leading large language models (LLMs) to aggregate and qualify publicly available data across the 170 sustainability metrics into a single, company-specific data set. The data set is refined through agentic workflows and embedding techniques, ensuring accuracy, and minimizing hallucinations. The data set is then applied to a scoring framework that utilizes the same three leading LLM’s in order to establish the individual company scores. The scores undergo an automated QA process and are validated through statistical outlier detection, creating a robust framework aligned with established performance indicators aligned with triple bottom line principles.

DATA SOURCES

The model focuses on public companies and uses a combination of data taken primarily, but not exclusively, from the following:

Regulatory submissions

Regulator statements

Corporate filings

Company websites

Analyst or investor data and analysis sources

DATA COLLECTION AND STRUCTURE

The model builds a picture of a company over a 3-year period. The datasets are split into primary and secondary frameworks. The primary framework includes data sections which form the PESGO framework as below: PRIMARY PESGO FRAMEWORK

Performance

Earth

Society

Governance

Operations

DATA AGGREGATION AND VALIDATION

Three separate large language models (LLMs) are used to process and score the data, ensuring triangulation and minimizing bias. The AI models apply an agentic approach combined with embedding techniques to refine initial outputs.

LLM Validation and Refinement

To enhance reliability, the data is transferred to a proprietary private LLM for further verification. This step includes:

Outlier detection

Identifying extreme values that may indicate anomalies.

Hallucination checks

Ensuring AI-generated insights are evidence-based.

Consistency validation

Comparing company performance across industry benchmarks.

The model uses a further 3-layer checks and balances process during the verification process for total transparency:

Triangulation with LLMs

Three LLMs generate a core data set to be used by the same three LLMs to reason independent scores using prompts trained on data subsets.

Embedding Validation: Textual data is converted to vectors to identify inconsistencies. Statistical Validation Outlier Detection: Where $ \tilde{x} $ = median, MAD = median absolute deviation. Scores beyond $ |Z| 3.5 $ trigger manual review.

Agentic Refinement: Human-AI collaboration ensures contextual alignment.

Industry Specific data: SustainabilityPlus utilizes industry specific data points as the model is built to understand areas that are particular sensitive to areas such as sentiment, reputation, stakeholder impact and financial effect.

LLM Validation and Refinement

To enhance reliability, the data is transferred to a proprietary private LLM for further verification. This step includes:

Outlier detection

Identifying extreme values that may indicate anomalies.

Hallucination checks

Ensuring AI-generated insights are evidence-based.

Consistency validation

Comparing company performance across industry benchmarks.

The model uses a further 3-layer checks and balances process during the verification process for total transparency:

Layer Verification

Cross-LLM concordance (≥85% agreement required)

Embedding-based anomaly detection

Private LLM outlier analysis Error Rate: Hallucinations reduced to 2% through agentic workflows.

ACADEMIC FOUNDATIONS

SustainabilityPlus follows the principles of academic best practices including:

Statistical Validation:

  • Outlier Detection

Where $ \tilde{x} $ = median, MAD = median absolute deviation. Scores beyond $ |Z| 3.5 $ trigger manual review

Sector Benchmarking:

Scores are generated on a consistent peer to peer basis and reviewed periodically (quarterly for subscribers).

Composite Index Theory – Aligning with OECD guidelines for indicator weighting.

Triangulation Principle – Enhancing validity through multi-model consensus.

Statistical Methodology:

  • Mean and Median analysis – the model calculates both the Mean arithmetic average and Median middle value of company scores within each industry. This allows for fair comparison across companies of varying sizes and market positions.
  • Standard Deviation and Normalization – to ensure comparability, scores are standardized using Z-score normalization.

SCORE TRANSPARENCY AND REVIEW

SustainabilityPlus maintains a commitment to transparency. The scoring process includes:

Quarterly updates

Identifying extreme values that may indicate anomalies.

Peer benchmarking

Ensuring AI-generated insights are evidence-based.

Appeals process

companies can review scores through providing verifiable transparent data which can be utilized using the exact same process as described herein. Companies or individuals wishing to proceed with this process can contact SustainabilityPlus.

DISCLAIMER

SustainabilityPlus represents consistent scoring and application based on publicly available information. It is not intended as a financial resource, ratings agency, or investment tool. It provides listings of open-source data to build a picture of any given company with consistency of reporting. Companies do not provide the data and are not consulted regarding it.

Please refer to the Terms and Conditions of the SustainabilityPlus usage and subscription on the website for further details.

Scoring and Ranking Methodology

    1. OVERVIEW 

    The SustainabilityPlus model is built on 3 founding pillars:

    • Transparency
    • The use of onlyopen-source data
    • Consistent application of scoring principles and parameters on a peer-to-peer basis

    SustainabilityPlus provides an industry-leading approach to assessing corporate sustainability performance. Unlike traditional sustainability frameworks, which may rely on self-reported data, SustainabilityPlus employs a combination of artificial intelligence (AI), machine learning, and proprietary methodologies to analyse companies across multiple sustainability dimensions. The methodological framework used in determining sustainability scores references academic principles and follows mathematical and statistical methods.

    SustainabilityPlus employs a multi-layered AI-driven methodology to assess companies across 170 sustainability metrics distilled down to 66 individual AI prompts, combining quantitative analysis with qualitative evaluation. Initially, the system integrates three leading large language models (LLMs) to aggregate and qualify publicly available data across the 170 sustainability metrics into a single, company-specific data set. The data set is refined through agentic workflows and embedding techniques, ensuring accuracy, and minimizing hallucinations. The data set is then applied to a scoring framework that utilizes the same three leading LLM’s in order to establish the individual company scores. The scores undergo an automated QA process and are validated through statistical outlier detection, creating a robust framework aligned with established performance indicators aligned with triple bottom line principles.

    DATA SOURCES

    The model focuses on public companies and uses a combination of data taken primarily, but not exclusively, from the following:

    • Regulatory submissions
    • Regulator statements
    • Corporate filings
    • Company websites
    • Digital media and press analysis
    • Analyst or investor data and analysis sources
    1. DATA COLLECTION AND STRUCTURE 

    The model builds a picture of a company over a 3-year period. The datasets are split into primary and secondary frameworks.

    The primary framework includes data sections which form the PESGO framework as below:

    PRIMARY PESGO FRAMEWORK

    1. Performance
    1. Earth
    2. Society
    3. Governance
    4. Operations

    The model builds protocols around scoring parameters based upon inputs.

    All scores are based upon a consistent approach across the peer group

     

DATA AGGREGATION AND VALIDATION 

Three separate large language models (LLMs) are used to process and score the data, ensuring triangulation and minimizing bias. The AI models apply an agentic approach combined with embedding techniques to refine initial outputs.

Triangulation with LLMs

  1. Three LLMs generate a core data set to be used by the same three LLMs to reason independent scores using prompts trained on data subsets.
  2. Agentic Refinement: Human-AI collaboration ensures contextual alignment.
  3. Embedding Validation: Textual data is converted to vectors to identify inconsistencies. Statistical Validation Outlier Detection: Where $ \tilde{x} $ = median, MAD = median absolute deviation. Scores beyond $ |Z| 3.5 $ trigger manual review.
  4. Industry Specific data: SustainabilityPlus utilizes industry specific data points as the model is built to understand areas that are particular sensitive to areas such as sentiment, reputation, stakeholder impact and financial effect.

LLM Validation and Refinement

To enhance reliability, the data is transferred to a proprietary private LLM for further verification. This step includes:

  • Outlier detection: Identifying extreme values that may indicate anomalies.
  • Hallucination checks: Ensuring AI-generated insights are evidence-based.
  • Consistency validation: Comparing company performance across industry benchmarks.

The model uses a further 3-layer checks and balances process during the verification process for total transparency:

Layer Verification:

  1. Cross-LLM concordance (≥85% agreement required)
  2. Embedding-based anomaly detection
  3. Private LLM outlier analysis Error Rate: Hallucinations reduced to 2% through agentic workflows.


ACADEMIC FOUNDATIONS

SustainabilityPlus follows the principles of academic best practices including:

  • Composite Index Theory – Aligning with OECD guidelines for indicator weighting.
  • Triangulation Principle – Enhancing validity through multi-model consensus.
  • Statistical Methodology:
    • Mean and Median analysis – the model calculates both the Mean arithmetic average and Median middle value of company scores within each industry. This allows for fair comparison across companies of varying sizes and market positions.
    • Standard Deviation and Normalization – to ensure comparability, scores are standardized using Z-score normalization.
  • Statistical Validation:
    • Outlier Detection

Where $ \tilde{x} $ = median, MAD = median absolute deviation. Scores beyond $ |Z| 3.5 $ trigger manual review

  • Sector Benchmarking:

Scores are generated on a consistent peer to peer basis and reviewed periodically (quarterly for subscribers).

SCORE TRANSPARENCY AND REVIEW 

SustainabilityPlus maintains a commitment to transparency. The scoring process includes:

  • Quarterly updates – to reflect things such as market changes, new activity, or mergers and acquisitions.
  • Peer benchmarking – against industry averages that are updated quarterly or as required.

Appeals process – companies can review scores through providing verifiable transparent data which can be utilized using the exact same process as described herein. Companies or individuals wishing to proceed with this process can contact SustainabilityPlus.

DISCLAIMER

SustainabilityPlus represents consistent scoring and application based on publicly available information. It is not intended as a financial resource, ratings agency, or investment tool. It provides listings of open-source data to build a picture of any given company with consistency of reporting. Companies do not provide the data and are not consulted regarding it.

Please refer to the Terms and Conditions of the SustainabilityPlus usage and subscription on the website for further details.