Account-based marketing has shifted from a niche tactic to a mainstream B2B growth strategy, and the operational load that comes with managing dozens of high-touch target accounts is stretching agency teams thin. In 2026, a growing number of ABM agencies are deploying virtual assistants to absorb the billing, coordination, and documentation work that pulls strategists away from high-value account work.
The Administrative Weight Behind ABM Programs
Running an ABM program is resource-intensive by design. Every target account demands personalized outreach sequences, custom content, coordinated advertising, and precise timing across multiple channels. For agencies managing 10, 20, or 50 active accounts simultaneously, the administrative layer — invoicing, campaign scheduling, status updates, and report packaging — compounds quickly.
According to ITSMA's 2025 ABM Benchmark Report, 68% of ABM practitioners cite operational complexity as a top barrier to scaling their programs. The same report found that account-specific reporting and client communication preparation consume an average of 11 hours per week per account manager. That figure represents time not spent on strategy, creative, or relationship development.
Billing Admin: The Hidden Time Drain
Client billing in ABM agencies is rarely straightforward. Engagements often involve tiered pricing tied to the number of target accounts, media spend pass-throughs, technology platform fees, and performance-based bonuses. Assembling accurate invoices requires pulling data from multiple platforms — CRMs, ad dashboards, intent data tools, and project management systems.
Virtual assistants trained in ABM billing workflows are taking on invoice preparation, spend reconciliation, purchase order tracking, and accounts receivable follow-up. A study by McKinsey & Company found that finance and administrative tasks account for nearly 30% of knowledge worker time in professional services firms. Offloading this category to a VA returns that capacity directly to client-facing work.
Agencies using VAs for billing report faster invoice cycle times and fewer billing disputes. When a dedicated VA owns the reconciliation process end-to-end, discrepancies surface earlier and client trust in the agency's financial accuracy improves.
Campaign Coordination Across Target Account Clusters
ABM campaigns require tight sequencing. Paid ads targeting a buying committee need to align with sales outreach timing, content drops, and event invitations. Coordinating these moving parts across multiple accounts simultaneously is a scheduling and logistics challenge that VAs handle well.
Virtual assistants take on calendar management for campaign launches, coordinate internal creative and media approvals, track asset delivery deadlines, and maintain shared timelines that both agency teams and clients can reference. When a campaign milestone shifts — a delayed content piece, a rescheduled executive event — the VA updates the downstream schedule and alerts relevant stakeholders, preventing the silent misalignments that damage ABM results.
According to Demandbase's State of ABM report, programs with documented coordination processes see 20% higher pipeline conversion rates compared to those running ad hoc. Structured coordination, even when managed by a VA rather than a senior strategist, pays measurable dividends.
Client and Target Account Communications
ABM agencies are expected to maintain frequent, high-quality communication with clients about account status, program adjustments, and buying signal activity. VAs manage the communication layer that keeps clients informed without requiring a strategist to draft every update.
This includes preparing weekly account status emails, formatting intent signal summaries from platforms like Bombora or 6sense, scheduling check-in calls, and routing client questions to the right internal contact. VAs also manage contact lists for target accounts, keeping CRM records updated as buying committee members change roles or companies.
Agencies that staff a VA per three to five client accounts report that client satisfaction scores improve because response times drop and update consistency increases — outcomes that directly affect renewal rates.
Reporting Documentation Management
Monthly and quarterly reporting is one of the most time-consuming deliverables an ABM agency produces. Each report requires pulling metrics from multiple platforms, organizing data into a coherent narrative, and packaging it in a client-ready format. Strategists who spend four to six hours building a report are hours unavailable for live account optimization.
VAs trained in ABM reporting workflows pull data exports from LinkedIn Campaign Manager, Google Ads, CRM pipelines, and intent platforms. They populate report templates, flag metric anomalies for strategist review, and manage the version control and delivery logistics of final documents. The strategist's role narrows to interpretation and recommendations — the high-value layer — rather than data assembly.
Building the Case for VA Adoption in ABM Agencies
The economics are clear. A full-time VA costs a fraction of a mid-level account manager while absorbing a significant share of non-strategic work. For ABM agencies under pressure to protect margins while delivering premium service, VAs represent a structural efficiency that compounds as account volume grows.
Agencies looking to explore VA support for billing, campaign coordination, and reporting documentation can learn more at Stealth Agents, which specializes in placing VAs with marketing and professional services firms.
Sources
- ITSMA ABM Benchmark Report 2025
- McKinsey & Company, "The Future of Work in Professional Services," 2024
- Demandbase State of ABM Report 2025