One of the first questions business owners ask when considering a virtual assistant is: how many hours do I actually need? It's a smart question - and the answer isn't one-size-fits-all. The right number of hours depends on your workload, your goals, the types of tasks you're delegating, and your budget.
Understanding the difference between part-time and full-time VA arrangements - and what each looks like in practice - will help you make a hiring decision you won't regret.
What "Hours" Actually Means in VA Work
Before getting into part-time versus full-time, it's worth clarifying what you're paying for. Virtual assistants are typically hired either by the hour or on a monthly retainer for a set number of hours per week or month.
Unlike salaried employees, most VAs are only billing you for active work time. This means you're not paying for downtime, lunch breaks, or idle hours - you're paying for productive output. That's one of the core cost advantages of working with a VA versus hiring in-house.
Hours can be distributed in different ways depending on your agreement:
- Set daily hours - Your VA works a defined block each day (e.g., 9am–1pm your time zone)
- Flexible weekly hours - Your VA works a set number of hours per week on a schedule that suits both parties
- As-needed / task-based - You assign tasks and your VA bills for the time spent completing them
Part-Time Virtual Assistants: 10–20 Hours Per Week
A part-time VA arrangement typically runs between 10 and 20 hours per week. This is the right fit for many small business owners and solopreneurs who have a consistent but manageable volume of recurring tasks.
Who benefits most from part-time:
- Founders who need help with email, scheduling, and admin but don't yet have enough work to justify full-time support
- Business owners who want to test delegation before scaling up
- Entrepreneurs with project-based needs that spike and slow down cyclically
- Executives who need an assistant but already have some in-house support
What you can realistically accomplish at 10–20 hours/week:
- Daily inbox management and email drafting
- Calendar management and meeting scheduling
- Social media content scheduling (not creation)
- Basic research tasks
- Data entry and CRM updates
- Customer inquiry responses using templates
At this level, your VA handles the routine tasks that eat your time but don't require your strategic input. The goal is to free up 2–3 hours of your own time each day for higher-value work.
Full-Time Virtual Assistants: 35–40 Hours Per Week
A full-time VA works the equivalent of a standard workweek - typically 35 to 40 hours. This arrangement makes sense when you have a high and consistent volume of work that requires dedicated, ongoing attention.
Who benefits most from full-time:
- Business owners scaling operations who need consistent daily output
- Companies replacing an in-house role (executive assistant, operations manager, customer service rep)
- Entrepreneurs managing multiple projects simultaneously
- Teams that rely heavily on remote support across time zones
What you can realistically accomplish at 35–40 hours/week:
- Everything in the part-time list, plus:
- Original content creation (blog posts, social media copy)
- Project coordination and vendor communication
- Bookkeeping support and financial reporting
- Customer service management across channels
- Research and competitive analysis
- Process documentation and SOP management
- Team coordination and internal operations support
A full-time VA often functions as a core team member rather than just a task executor. With enough hours, you can delegate entire functions of your business.
The 20–30 Hour Middle Ground
There's also a productive middle range - roughly 20 to 30 hours per week - that works well for growing businesses with more than light support needs but not yet a full-time workload.
This arrangement allows for more complex, ongoing projects while keeping costs below the full-time threshold. Many business owners find this to be the sweet spot before they're ready to commit to a full-time hire.
How to Estimate Your Actual Hour Needs
Rather than guessing, do a simple time audit before you hire. For one week, track every task you currently handle that you want to delegate. Note how long each takes. Then multiply recurring tasks by their weekly frequency.
Add up the total hours and that gives you a baseline estimate of how many hours your VA will need. Add 10–15% buffer for communication overhead and task handoff time.
If your estimate comes in at under 15 hours, start with a part-time arrangement. If it's over 30 hours, plan for full-time. Anything in between, consider the 20–30 hour middle option and reassess after the first 30–60 days.
Overtime, Urgency, and Availability
When evaluating hour arrangements, also consider availability requirements. If you need your VA available during specific business hours for time-sensitive tasks like answering customer calls or monitoring live campaigns, that shapes your arrangement differently than if you simply need tasks completed by end of day.
Some business owners require their VA to be online during overlapping hours for real-time collaboration. Others work asynchronously and care only about output, not when the work happens. Know which model fits your business before committing.
Starting Small Is Always Okay
There's no penalty for starting with fewer hours and scaling up. In fact, starting with a part-time arrangement while you build your SOPs and delegation habits is often the smarter move. You'll discover which tasks truly benefit from VA support and which ones you should hold onto or eliminate entirely.
Once you've established a rhythm and have more work to delegate, transitioning from part-time to full-time is straightforward with the right agency or VA provider.
Whether you need 10 hours a week or a full-time dedicated assistant, Stealth Agents can match you with a VA whose availability and skills fit your exact requirements. Start your free consultation today and build the support structure your business deserves.