When you’re running a startup, financial forecasting isn’t just a nice-to-have—it’s a must.

Whether you’re planning for the next few months or thinking about where you want to be in the next few years, a solid financial forecast can help you make informed decisions and stay ahead of any bumps in the road. Here’s how to tackle it:

The Importance of Financial Forecasting for Startups: How to Plan for Growth

Short-Term Forecasting

To get a handle on your financials, start by creating a monthly forecast. This involves updating your year-to-date (YTD) numbers with actuals, assessing known factors that will affect the months ahead, and factoring in any planned initiatives or projects. By taking a proactive approach to forecasting, you’re setting yourself up to make informed decisions quickly, keeping your startup agile and responsive to changes.

Here’s how to structure a solid monthly forecast:

1. Update YTD with Actuals:

At the start of each month, input the actual numbers from the previous month into your financial model. This includes revenues, expenses, and any other relevant financials. Updating with actuals gives you a clear and realistic view of your financial position to date, which is essential for accurate forecasting.

2. Consider Known Factors for Future Months:

Look ahead and think about any known factors that will impact the upcoming months. Do you have a major marketing campaign planned? New hires planned? Are there upcoming product launches or seasonal fluctuations in sales? Including these factors ensures your forecast reflects both routine and one-time events.

3. Plan for Initiatives:

Any upcoming initiatives, such as launching a new product line or expanding your team, should be built into the forecast. For instance, if you plan to invest heavily in marketing in Q4, your forecast should reflect both the costs and anticipated revenue increases from those efforts.

4. Forecast the Profit and Loss Statement (P&L):

A monthly forecast should include a detailed profit and loss statement. By regularly updating your forecasted P&L, you can monitor your revenue, gross profit, and operating expenses against your expectations. If you’re seeing that certain expenses are higher than planned or revenues are trending below projections, you can adjust your strategies before they impact your overall performance. This makes it possible to take corrective actions early, whether that means tightening up on spending or ramping up sales efforts.

5. Forecast Monthly Cash Needs:

Cash flow is the lifeblood of any startup, so it’s essential to forecast your monthly cash flow. This means looking at both cash inflows (like customer payments) and outflows (like payroll, rent, and other expenses) to understand how much cash you’ll need each month. By anticipating potential cash shortages, you can take action to secure funding, negotiate better payment terms, or delay certain expenses to ensure you have enough liquidity to keep the business running smoothly.

Long-Term Forecasting

1. Plan for New Customer Acquisition and Growth in Revenue

When you’re ready to look a little further down the road, start by thinking about how you’ll grow. This includes new customer acquisition and revenue growth. Consider things like your average growth rate in new customers, marketing or sales activities that could boost that growth, and any associated customer acquisition costs.

As you’re planning, ask yourself:

  • How quickly are we acquiring new customers, and can we ramp that up?
  • What marketing or sales strategies do we need to implement to attract more customers?
  • Are there other costs involved in attracting new customers (e.g., paid ads, events)?

A solid forecast doesn’t just rely on hope—it’s built on realistic assumptions about how you’ll achieve growth. Make sure you factor in those assumptions, and don’t forget to update them as you learn more about what works and what doesn’t.

2. Plan for Key Hires

With more customers comes the need for more hands on deck. A critical part of financial forecasting is understanding your staffing needs as your customer base grows.

  • Think about customer-facing employees first. How many customers can one team member realistically handle? When will you need to bring in more help?
  • Then, consider other areas like tech or service roles. Do you have the right team in place to develop your product or deliver the services you’re selling?
  • Finally, don’t overlook general administrative operations. As your company grows, you’ll need to start giving up some hats and bringing in people who can handle specific tasks. For instance, you might need to hire a Chief Operating Office, a Chief Financial Office, or a Chief Product Office.

Pro Tip: When you’re planning for hiring, remember to factor in all the costs associated with new employees—not just their salary. Payroll taxes, benefits, company laptops, and other equipment all add up. It’s better to have an accurate picture upfront than to be caught off guard later.

3. Plan for Cash

Finally, cash flow. Building out a long-term forecast and hiring plan is essential, but you also need to map out your cash needs to make sure you can cover all those plans. We suggest mapping out monthly cash flows for the next 24 months and then looking at annual cash flows for anything beyond that.

This approach gives you a clear view of when you might run into cash shortages. For example, if you’re planning to make several new hires before you see a boost in revenue, you may find yourself running low on cash in a future month. Knowing this in advance lets you start conversations with investors or banks now, rather than scrambling at the last minute.

Always have a cushion. It’s better to overestimate your cash needs and not end up needing it than to underestimate and find yourself in a crunch. Planning ahead means you’re not just reacting to challenges—you’re anticipating them and setting yourself up for success.

Financial forecasting may seem like a daunting task, but with the right approach, it can be a powerful tool for growth. Take the time to dig into your numbers, make realistic projections, and stay on top of your cash needs. By doing so, you’re not just planning for growth—you’re building a roadmap to get there. If you aren’t ready for a full-time CFO that can manage your forecast, think about a fractional resource like Resolve Works.

Resolve Works can support your growing startup by sitting in your finance seat on a part-time basis, until you are ready to hire full time.

Small Business Owner with Team working behind him

About Resolve Works

Resolve Works specializes in providing outsourced accounting to serve the unique needs of early to mid-stage startups, and companies running on the Entrepreneurial Operating System® (EOS®).

We work with fast-growth companies that are committed to the quest for clarity, information, efficiency, and focus. We are energized by visionary organizations that are growing quickly, moving fast, and need a team that can seamlessly step into the accounting seat, making an immediate impact.