Thought Leadership

Sustainability has become a central feature of business strategy. Whether prompted by regulation, stakeholder expectations, or competitive positioning, organisations of all sizes now recognise sustainability as essential to long-term resilience. Yet while the direction is clear, the pathway differs greatly, particularly for small and medium-sized enterprises (SMEs).

For many SMEs, capacity - not commitment - is the constraint. They may wish to manage carbon, develop a net-zero strategy, or improve resource efficiency, but lack the internal expertise required to plan and deliver sustained progress. Adding to this, sustainability is broad, fast-moving, and connected to multiple functions within a business, from finance and HR to governance and operations. This is exactly where our model adds value: rather than relying on a single in-house specialist, SMEs gain access to a multi-disciplinary team with the full range of expertise required to drive meaningful, sustained progress.

Why fractional sustainability support is gaining ground

Fractional models are already well established in roles such as finance and HR. Sustainability introduces its own complexities. The workload is often uneven throughout the year, with peaks around reporting deadlines, client tenders, funding applications, and policy updates. For SMEs, internal resourcing for fluctuating demand can be inefficient and costly.

The multidisciplinary nature of sustainability also means needs change over time. Technical carbon accounting, regulatory awareness, social value measurement, or behaviour change may each require different skills. A fractional model reflects this variability.

External drivers add further momentum. Supply chains increasingly influence sustainability practices, as larger organisations seek to meet their own climate targets and reporting obligations. Expectations cascade to suppliers - often SMEs - who may lack the readiness to respond.

Fractional sustainability support offers an adaptable approach, enabling organizations to access specialised knowledge when required, without assuming needs today will remain the same in future.

What fractional sustainability support facilitates

Fractional sustainability support gives organizations access to the right expertise at the right time, helping them build momentum without the cost of a full-time role. It can provide a foundation for early planning, support the collection of ESG or carbon data, guide organizations through reporting requirements, develop practical action plans, deliver staff engagement, and help embed sustainability into policies and governance.

Crucially, this model allows organizations to meet growing expectations without overloading an existing employee whose role may already be stretched. External part-time support can keep an organization compliant, organized, and progressing steadily - while managing internal capacity and overheads.

By working with experienced sustainability consultants on a part-time basis, organizations can access support that aligns with their stage of development. This may include setting up systems and processes, providing training, undertaking carbon assessments, creating net-zero roadmaps, or ensuring alignment with relevant legislation. Because support is not limited to one individual, it allows access to a broader set of skills, sector experience, and technical knowledge as needs evolve.

Support can be as light-touch or involved as required - from occasional guidance through to more regular support that feels integrated into the organization’s own team. This allows the consultant to better understand the business and tailor advice in a practical, targeted way that reflects how the organisation operates day to day.

Considerations for firms

The rise of fractional sustainability support reflects broader shifts within professional advisory services, where sustainability increasingly intersects with financial planning, risk management, reporting, and stakeholder communication.

For associations such as PrimeGlobal, sustained demand raises questions about resourcing, capability development, and cross-disciplinary collaboration. Where clients require continuity rather than one-off projects, fractional models offer one potential way of supporting them through transition.

It can also complement existing advisory work. Sustainability considerations frequently surface within projects involving transactions, funding, procurement, property, or strategy. In these contexts, continuity of sustainability expertise can provide clarity and support decision-making.

Fractional sustainability support is not positioned as a substitute for internal appointments. For many organisations, it may function as:

• A transitional step when developing internal capability

• Short-term access to specialist expertise

• Support during periods of growth, change, or increased scrutiny

Looking ahead

As sustainability evolves beyond environmental impact alone, organizations may require support reflecting the close relationship between climate, social responsibility, governance, and long-term value; now more than ever, sustainability and profitability should be viewed as two sides of the same coin. Whether meeting new reporting expectations, responding to supply chain pressures, or aligning sustainability with culture and purpose, flexible access to expertise is likely to remain important.

Fractional support is one response to this landscape - mirroring wider trends towards agile, needs-based advice. As expectations continue to shift, the ways organisations respond will need to adapt accordingly.

Get in touch with Boxfish to learn more about fractional sustainability support.