One of the most common questions from first-time VA hirers is deceptively simple: "How many hours do I actually need?"
Underestimate, and you hire a part-time VA who's constantly rushed or can't take on everything you need. Overestimate, and you're paying for hours that go unused. Neither is ideal.
The right answer depends on your workload, how well you delegate, what tasks you're handing off, and where you are in your business growth. This guide gives you a practical framework for figuring out your number — before you sign a contract.
Why Most Business Owners Get This Wrong
Most people either guess ("let's start with 10 hours") or default to the minimum without analyzing what they actually need. The result is a VA relationship that underdelivers — not because the VA is bad, but because the scope was wrong from the start.
"I hired a VA for 10 hours a week and was frustrated it wasn't enough. Turned out I had about 30 hours of work to delegate — I just hadn't mapped it out." — A common story from business owners scaling their first VA hire
The fix is a simple time audit before you hire.
Step 1: Do a Two-Week Time Audit
Before you can set VA hours accurately, you need to know where your time currently goes. For two weeks, track every task you do in 30-minute blocks. Categorize each task as:
- Deep work — Strategic thinking, client delivery, revenue-generating activities (keep these)
- Administrative — Email, scheduling, data entry, filing (delegate these)
- Communication — Routine follow-ups, client updates, vendor coordination (partially delegate)
- Research — Competitor analysis, market research, vendor comparison (delegate)
- Operations — CRM updates, invoicing, project management (delegate)
At the end of two weeks, add up the hours in the delegatable categories. That's your baseline VA demand.
Step 2: Match Hours to Business Stage
Your business stage also affects how much VA support makes sense:
| Business Stage | Typical VA Hours/Week | What They're Doing |
|---|---|---|
| Solo freelancer / side business | 5–10 hours | Email triage, scheduling, basic admin |
| Small business (1–5 employees) | 15–25 hours | Full admin, research, some marketing |
| Growing SMB (5–20 employees) | 25–40 hours | Multi-role support, process coordination |
| Scaling business (20+ employees) | 40+ hours (team) | Multiple VAs by specialty |
If you're a solopreneur just starting to delegate, 10–15 hours is usually the minimum to feel meaningful relief. Below 10 hours, the overhead of managing the VA often exceeds the benefit.
Step 3: Map Tasks to Hours
Once you have your audit results, convert them to a weekly hours estimate. Here's a rough time table for common VA tasks:
| Task | Average Weekly Time |
|---|---|
| Email management (inbox triage + responses) | 5–10 hours |
| Calendar management and scheduling | 2–4 hours |
| Social media scheduling (3–5 platforms) | 3–5 hours |
| CRM updates and lead tracking | 2–4 hours |
| Research projects (1–2 per week) | 3–6 hours |
| Customer service / ticket responses | 4–8 hours |
| Invoicing and basic bookkeeping | 2–4 hours |
| Data entry and file organization | 2–5 hours |
| Weekly reporting | 1–2 hours |
Add up the tasks you want to delegate. That's your estimated weekly hours. Build in a 10–15% buffer for ad hoc requests and unexpected work.
Part-Time vs. Full-Time: Which Is Right for You?
Part-time (10–20 hours/week) makes sense when:
- You're testing VA support for the first time
- Your delegatable work is limited to a few specific tasks
- Budget is tight and you want to start lean
- You want to build trust before expanding scope
Full-time (40 hours/week) makes sense when:
- You have a backlog of delegatable work that's been piling up
- You're replacing a role (like an office manager or customer service rep)
- You need someone available during your core business hours
- You want a VA who becomes deeply embedded in your operations
For a detailed cost breakdown of both options, see how much a virtual assistant costs.
The "Test and Expand" Approach
If you're genuinely unsure, the smartest move is to start smaller than you think you need — say 15–20 hours — with a clear expansion plan.
After 30–60 days, review:
- Is the VA consistently running out of work?
- Are there tasks you're still doing yourself that you could hand off?
- Has your own capacity expanded (meaning you're taking on more work that creates more downstream tasks)?
If yes to any of these, expand. Most VA arrangements can scale up or down relatively quickly. The key is to have an honest check-in rather than letting an under-resourced arrangement limp along.
For guidance on structuring the initial engagement, our article on how to structure a trial period covers the first 30–90 days in detail.
How Task Complexity Affects Hours
Not all hours are equal. A VA handling simple data entry will produce more volume per hour than one doing research or writing. Factor in task complexity when estimating:
- Low complexity (data entry, scheduling, email triage): High output per hour, less direction needed
- Medium complexity (drafting communications, CRM management, social media): Moderate output, some back-and-forth
- High complexity (research projects, customer escalations, process design): Lower volume per hour, more collaboration required
If your VA work is mostly high-complexity, you may need more hours than the task list suggests to account for iteration and communication time.
Common Mistakes in Setting VA Hours
Starting too low and expecting too much. Five hours a week is roughly one hour per business day. That's not enough to hand off anything substantial.
Not accounting for onboarding time. In the first 2–4 weeks, a VA will spend more time learning than producing. Build in extra hours during the onboarding period — then revisit once they're up to speed.
Treating it as a fixed number forever. Your VA needs will grow with your business. Build in quarterly reviews to reassess scope.
Forgetting management time. You'll spend 1–3 hours per week communicating with your VA, reviewing work, and giving feedback. Factor that into your own calendar.
Practical Starting Points by Business Type
| Business Type | Recommended Starting Hours |
|---|---|
| Coach or consultant | 15–20 hours/week |
| E-commerce store | 20–30 hours/week |
| Real estate agent | 15–25 hours/week |
| Agency owner | 25–40 hours/week |
| Healthcare practice | 20–35 hours/week |
| Freelancer | 10–15 hours/week |
These are starting points — not ceilings. Most business owners find that once they see what a VA can handle, their "needs" grow quickly as they identify more tasks worth delegating.
Ready to Find Your Number?
The best approach is to complete your time audit, map your tasks, and then talk to a VA service that can help you scope the engagement correctly.
Stealth Agents offers free consultations where they help business owners figure out exactly how many hours they need, what skill set to look for, and what a realistic engagement looks like. No guesswork required — just an honest conversation about your work and your goals. If you're ready to get started, visit how to hire a virtual assistant for the full hiring roadmap.