ESG Consulting Demand Is Outpacing Advisory Capacity
Corporate sustainability and ESG advisory services are among the fastest-growing segments in the consulting sector. The Global Sustainable Investment Alliance (GSIA) estimates that ESG-related assets under management exceeded $30 trillion globally in 2024, and the SEC's climate disclosure rules—along with state-level mandates in California and European CSRD requirements affecting U.S. multinationals—are driving a wave of corporate clients to engage sustainability consultants for the first time.
The challenge for ESG consulting firms is not the quality of their advice—it is the volume of administrative work that accompanies every engagement. Data collection from multiple client departments, report formatting across dozens of ESG frameworks, stakeholder communication coordination, and scheduling of client working sessions all consume consultant hours that could be better spent on analysis and strategy.
Virtual assistants are providing the operational backbone that allows ESG consulting firms to scale without sacrificing quality.
Data Collection Coordination: Getting the Numbers Out of the Client
ESG reports require quantitative data from multiple functions within a client organization—operations, HR, procurement, finance, facilities, and supply chain. Collecting this data is one of the most time-consuming parts of any ESG engagement. Consultants send data request templates, chase down missing submissions, clarify ambiguous responses, and aggregate inputs from 10 to 20 different client contacts per engagement.
VAs manage data collection coordination by distributing data request packages, tracking submission status from each client department, sending reminders to non-responsive contacts, and organizing incoming data into standardized templates for consultant review. They flag inconsistencies or gaps in submitted data for consultant follow-up, ensuring that the data collection phase moves efficiently without requiring constant consultant involvement.
The World Business Council for Sustainable Development (WBCSD) reports that data collection accounts for 40 to 60 percent of total ESG report preparation time for first-time reporters. VA-managed data collection can compress this phase significantly.
Report Formatting Support: Translating Analysis Into Deliverables
ESG reports must meet specific formatting requirements that vary by framework—GRI, SASB, TCFD, CDP, or integrated company-specific sustainability reports. They require consistent visual design, accurate data tables, narrative sections that align with quantitative disclosures, and in many cases, dual-language or regional variants.
VAs handle report formatting by applying branded templates, inserting data tables prepared by the consultant team, formatting disclosure narratives according to framework requirements, assembling appendices and supporting documentation, and preparing final deliverable packages for client distribution. They manage version control, track reviewer comments, and prepare revision summaries for the lead consultant.
This formatting work is detail-intensive but does not require the analytical judgment that defines the consultant's value. Offloading it to a VA recovers hours per report that compound across a portfolio of concurrent engagements.
Client Communication: Managing Multi-Stakeholder Relationships
ESG engagements involve communication with multiple client stakeholders across different functions and seniority levels—sustainability managers, CFOs, procurement teams, investor relations contacts, and board members in some cases. Coordinating this communication requires discipline, tact, and responsiveness.
VAs manage client communication by maintaining contact databases, sending scheduled project status updates, distributing meeting agendas and follow-up summaries, tracking action item completion, and routing complex strategic questions to the lead consultant. They ensure that every client stakeholder receives timely, consistent information throughout the engagement.
Scheduling: Coordinating Client Working Sessions and Expert Interviews
ESG engagements often include stakeholder interviews, materiality assessment workshops, and board presentation preparation sessions that require coordination across multiple client calendars. Scheduling these sessions manually, with all of the back-and-forth that entails, consumes hours per engagement.
VAs handle scheduling coordination by identifying availability windows, sending calendar invitations, distributing pre-session preparation materials, and following up on attendance confirmations. They also coordinate the logistics of virtual and in-person workshops, including platform setup and agenda distribution.
Scale your ESG advisory practice with a sustainability consulting virtual assistant who manages the operational work so your consultants can focus on strategy.
Sources
- Global Sustainable Investment Alliance (GSIA), Global Sustainable Investment Review 2024
- World Business Council for Sustainable Development (WBCSD), ESG Data Collection Benchmarking Report 2025
- SEC, Climate-Related Disclosures Final Rule Implementation Update 2025
- GRI Standards, ESG Reporting Framework Adoption and Compliance Data 2025