Invoicing and Billing as a Fractional Worker

Invoicing and Billing as a Fractional Worker

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Written by

Harriet Formby

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Transitioning from Regular Paycheck to Invoicing and Billing as a Fractional Worker

Making the leap from a steady monthly paycheck to the dynamic world of fractional work can feel overwhelming. A predictable income and benefits like pensions or healthcare are managed for you in traditional employment. In fractional work, however, you’re responsible for maintaining your own income, managing tax payments, and juggling all the moving parts of running your own business. Add in client admin tasks like invoicing, chasing down payments, and setting up your own “benefits,” and it’s clear that transitioning to fractional work comes with its own set of challenges and responsibilities.

This post offers practical guidance to help you navigate this transition while sharing lessons I’ve learned along the way as a Fractional CFO. By the end, you’ll understand how to adopt the right mindset, set up more efficient systems, and manage the financial realities of fractional work.

1. Adopting a Fractional Mindset

The first and most critical step is a mindset shift. Moving from employment to fractional work means you’re not just providing services - you’re running a business. That requires balancing delivery with managing finances, admin, and creating your own future opportunities.

Key Considerations:

  • Prepare for Uncertainty: Without a regular paycheck, managing variable income streams and maintaining stability is crucial.

  • Value Your Expertise: Pricing should reflect your skills, outcomes, and the value you provide, not just the time spent.

  • Think Beyond Time: Many fractional professionals price based on outcomes, not hours worked, which can require a new approach to time management especially when managing multiple clients.

When I first transitioned into fractional work I was overly optimistic about how long things would take to deliver. If you’re pricing based on outcomes, tracking your own time to get a realistic sense of how long activities actually take could save you hours in the long run.Tools like Harvest can help you with this. I started reviewing engagements to see if my estimates stacked up and made sure to add contingencies for unexpected delays. Even if you charge by a day rate, tracking time helps manage expectations and ensures realistic timelines.

2. Setting Up Invoicing and Billing Systems

Managing invoicing and billing effectively is critical to ensure you’re paid on time and can focus on delivering great work for your clients. Fortunately, there are tools and strategies to make this process seamless.

Practical Steps:

  • Choose the Right Tools: Software like Xero or QuickBooks can streamline invoicing, payment tracking, and reconciliation.

  • Automate Where Possible: Use automation for recurring invoices or payment reminders to save time and reduce admin.

  • Be Clear and Professional: Ensure your invoices include detailed descriptions of services, payment terms, and due dates.

I use Xero for everything and have found its automation features invaluable. Automated reminders for overdue invoices and recurring templates for regular clients save me hours of admin work. If you’re new to fractional work, investing in a system like Xero can help you stay on top of invoicing and avoid cash flow headaches.

3. Understand the Payment Process

When working with larger companies, getting paid can involve more than just sending an invoice. Many of them have specific requirements that need to be followed to ensure payments are processed smoothly and without delay.

  • Clarify Invoicing Requirements Upfront: Larger organisations may need certain details on your invoice, such as a Purchase Order (PO) number, vendor ID, or specific billing codes. They might also have a preferred invoicing format or require invoices to be submitted through a particular online portal.

  • Ask About Submission Procedures: During the contracting phase, ask your client about their payment processes. Questions to consider include:

    • Do I need a PO number or reference code on my invoices?

    • Is there a specific person or department invoices should be sent to?

    • Are there deadlines or cut-off dates for invoice submissions?

    • Do you use an invoicing system or platform I need to register with?

  • Follow Their Guidelines Precisely: Adhering to their invoicing protocols helps prevent delays. Ensure all required information is included and that you submit your invoice through the correct channels.

Personally, I’ve found that working with large corporations isn’t always “worth it” when they insist on convoluted payment methods or payment terms that outweigh the initial benefits of lucrative contracts. 

4. Managing Cash Flow

Dealing with unpredictable income is one of the biggest adjustments for fractional professionals. However, proactive strategies can help smooth out the ups and downs of one unpredictable income. Without a steady paycheck, cash flow can feel like a constant challenge. However, proactive strategies can help smooth out the ups and downs.

Key Strategies:

  • Build a Buffer: Maintain an emergency fund for lean months or delayed payments.

  • Set Clear Payment Terms: Include terms like upfront instalments or penalties for late payments in your contracts.

  • Automate Payments: This can help ensure timely payments from retainer clients.

I’ve found it helpful to sign up my retainer contracts on direct debit using GoCardless. This helps give me the predictability that payments will come in on time. For project work, I always ask for an instalment upfront and the balance before completion, which has significantly improved my cash flow stability.

5. Pricing Your Services

Determining how to price your services is one of the most critical decisions as a fractional professional. Many people undervalue their time and expertise when starting out, but confidence grows with experience.

Steps to Develop a Strong Pricing Strategy:

  • Know Your Costs: Factor in all expenses -  software, insurance, taxes etc. and time spent on admin and other business activities - when setting your rates. This combined with the right scheduling will help you manage your time effectively, earning you more experience and greater confidence in your own value.

  • Add a Profit Margin: Ensure your pricing covers more than just your costs; build in a buffer for growth and sustainability. If your pricing is just enough to cover your immediate costs, you may be undervaluing yourself. By adding a profit margin you can reinvest in your business, create an emergency fund, and ultimately broaden the value of your services.

  • Be Transparent: Communicate your value clearly in proposals and conversations with clients. Instead of flat fees, break down your rates to highlight the number of expected hours worked. By providing additional information like detailed project plans and turnaround time, you’ll enhance your relationships through your credibility.

My confidence in pricing grew over time, especially after I built my own rates calculator model. Behind the scenes, I run all my numbers through it to ensure they stack up, and then I present slick proposals and rates to clients with confidence. Having a clear, data-backed approach makes pricing discussions so much easier.

6. Managing Personal Finances

As a fractional professional, you’re not only running a business - you’re also responsible for setting up your own benefits, from pensions to healthcare. Managing finances might not seem as exciting as client work, but effectively managing your finances is essential for long-term financial stability and security. It’s also important to understand how financial management practices, such as taxes and insurance, can vary depending on where you live and work.

Key Recommendations:

  • Pay Yourself a Salary: Allocate a consistent monthly payment to mimic the stability of a paycheck. This helps with budgeting and creates a sense of predictability

  • Save for Taxes and Retirement: Automatically set aside a percentage of each payment for taxes and pensions. It helps to know the tax laws in your region. In Canada and the US it can be easier to make quarterly payments, whereas payments may be tied to annual filings in the UK. It also helps to research various retirement funds depending on where you are, too. 

  • Claim Tax Deductions: Explore what business expenses are tax-deductible, such as using your home office, travel or professional development costs.

I’ll admit, I found pensions boring at first. But when I considered how much this benefit amounts to in the employed world and planning for the future. I knew I had to make it a priority. Setting up a pension that runs in the background is one of the smartest financial decisions you can make. It’s also worth being tax-efficient - claiming for things like home office expenses can really add up.

7. Planning for Time Off

As a fractional professional, time off is “unpaid”. This is one of the biggest adjustments when moving away from salaried employment. Taking a break requires careful planning, both financially and logistically.

Tips for Managing Time Off:

  • Budget for Breaks: Build a “time-off fund” into your financial planning to cover unpaid vacations or sick days.

  • Plan Ahead: Schedule holidays during slower periods and communicate availability to clients well in advance.

  • Set Boundaries: Let clients know when you’re unavailable and plan project deadlines accordingly.

I’m not great at taking time off. There’s always something to do, whether it’s client work or one of my many side projects and bright ideas. Over time, I’ve realised that being on the go all the time isn’t sustainable, and taking intentional breaks is critical for long-term wellbeing and success. It’s still a work in progress for me, but I’m learning to set better boundaries and plan intentionally.

Conclusion

Transitioning to fractional work can feel like a big leap, but it’s a rewarding journey when you’re armed with the right strategies, tools and mindset.. By valuing your expertise, setting up efficient systems, and planning for the financial realities of this transition, you can truly build a sustainable and successful fractional career.

Whether you’re already on this path or just starting out, remember that challenges like cash flow, pricing, and time management are all part of the process. Join the Infraction.io community for more resources, connect with other fractional professionals and learn the best strategies that’ll help you this new chapter as a fractional professional!