Bookkeeping & Financial
Leadership for Growing Businesses

CFO-level financial insight for firms too small to have their own. Specializing in construction and professional services, we deliver the financial clarity business owners need to make great decisions.

Years Experience
+
Happy clients
+
Satisfaction rate
+

The Answers Are Always in the Numbers

As a management consultant and CFO/COO for multiple firms, I know exactly what financial information a business owner needs to properly run their business. I make sure you get it—and understand it.
Construction Industry Expertise
I’ve worked with every type of contractor under the sun. Construction is a variable cost intensive business, making these firms very margin sensitive—I understand this deeply.
CFO-Level Financial Insight
By shaping your chart of accounts, I ensure you get the financial insights you need from your bookkeeping efforts. Business leaders need excellent financial reporting—or they need to be omnipotent.
40+ Years of Experience
Decades of experience allow me to see what younger firms miss. I understand that most contractors go out through the top—and help you avoid that fate.

Comprehensive Bookkeeping Services

From monthly bookkeeping to strategic financial guidance, we’ve got you covered.
Weekly Bookkeeping
Accurate, timely financial records with multiple quality control processes to ensure data is correct and complete.
Financial Consulting
CFO-level guidance that shapes your chart of accounts so you get the financial insights you need to run your business.
Gross Margin Analysis
Understand your margins by service offering—the insight most contractors miss that determines profitability.
Accounts Payable & Receivable
Smart cash flow management that keeps money moving in the right direction for your business.
Management Consulting
Strategic guidance from someone who has been CFO/COO for multiple firms and knows what business owners need.
Cleanup & Catch-Up
Get back on track with expert cleanup services for messy, incomplete, or inaccurate books.
Who We Work With
Construction is a specialty—professional services welcome.
Note: We do not offer tax preparation services.

Why Clients Choose Us

We’re more than bookkeepers—we’re your financial partners in growth.

40+ Years of Real-World Experience

As a former CFO/COO for multiple firms, I see what younger firms miss and know exactly what financial information you need.

Multiple Quality Control Processes

I ensure your data is correct and complete, because great decisions come from having great information.

Financial Insights, Not Just Reports

I review your financials with you so you understand them—not just deliver paperwork you don't know how to use.

Properly Structured Chart of Accounts

By shaping your chart of accounts, I ensure you get the insights you need from your bookkeeping efforts.

Face-to-Face Relationship

Based in St. Petersburg, FL—I prefer local clients for personal, face-to-face contact and deeper understanding.

Focus on What Matters

I relieve you of financial management responsibilities so you can focus on sales and operations—and grow your business.

Profit Is Not a Dirty Word

Profit makes all sorts of things possible—for your business, your employees, and your family. I enjoy relieving business owners of financial management responsibilities so they can focus on sales and operations and grow their businesses.

 

Construction is a variable cost intensive business, making these firms very margin sensitive. Understanding your numbers isn’t optional—it’s essential for survival and growth.

Margin Clarity
Understand your gross margins by service offering—the insight most contractors miss that determines profitability.
Weekly Visibility
Ongoing weekly services give you current, accurate financials—not stale data from months ago.
Great Information
Great decisions come from great insights. I make sure you have the numbers you need to lead confidently.
Risk Prevention
Most contractors go out through the top. With proper financial insight, you can avoid that fate.

Great Decisions Come from
Great Information.

I started The Contractors’ Bookkeeper in June 2023 after 40+ years as a C-level executive, management consultant, and turnaround specialist. With an MBA from Dartmouth, a BS in Civil Engineering, and designation as an Enrolled Agent, I bring a rare combination of financial expertise and construction industry knowledge to every client.

As CFO, I helped grow a family of construction companies from $3M to $42M in revenue in just three years. As COO of a national roofing company, I helped scale revenue from $30M to $265M. I’ve been through IRS audits, led turnarounds, secured angel funding, and managed M&A integrations. I know what financial information you need because I’ve lived it.

Based in St. Petersburg, FL, I prefer face-to-face contact with local clients. My goal is to relieve you of financial management responsibilities so you can focus on sales and operations—and grow your business.

Trusted by Businesses
Across Florida

Don’t just take our word for it—see what our clients have to say about working with us.
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New York
Perfect Purchase
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New York
Value for money
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New York
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Worth it
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Ready to join our growing list of satisfied clients?

Proven Track Record of
Real Results

Over 40 years of hands-on experience as CFO, COO, and management consultant for construction and professional services firms.
Family of Construction & Real Estate Companies
Construction / Real Estate
South Florida
The Challenge
A family of three affiliated construction and real estate companies had accounting and finance practices that were not up to GAAP standards. Erroneous 2019 data, no job costing, no work-in-progress reporting, and poor record retention practices.
Our Solution
Joined as CFO to re-cast erroneous financial data, introduce GAAP-standard procedures for job costing, WIP reporting, bank reconciliation, and record retention. Built financial infrastructure to support rapid growth through organic expansion, acquisitions, and start-ups.

Key Results

$3M to $42M

Revenue growth in 3 years

3 to 9

Companies scaled

$0

Owed after IRS audit

What We Did

Re-cast erroneous 2019 financial data

Introduced job costing & WIP reporting

Scaled from 3 to 9 affiliated companies

Passed IRS audit with zero taxes due

“Revenue grew from $3 million to $42 million in three years—adding only 3 staff members. That’s the power of getting your financial infrastructure right.”

— Will Abberger, CFO
National Roofing Company

Commercial Roofing
Nationwide

The Challenge
A nationwide roofing company needed to grow revenue aggressively through M&A, business development, and innovative revenue generation while maintaining profitability across all operations.
The Challenge
As COO with full P&L responsibilities, devised and delivered a First-Mover Consolidator Strategy, managed integration of acquired firms, and implemented purchasing programs with material and equipment suppliers.

Key Results

$3M to $42M

Revenue growth in 3 years

3 to 9

Companies scaled

$0

Owed after IRS audit

What We Did

First-Mover Consolidator Strategy attracted IPO investors

Managed M&A integration processes

Supplier rebate programs across materials & equipment

Full P&L responsibility across all operations

“Growing from $30 million to $265 million requires financial systems that scale. When you get the numbers right, the growth follows.”

— Will Abberger, COO

Residential AC & Heating Contractor
HVAC Services
South Florida
The Challenge
A residential and small business AC and heating contractor needed modernized financial operations and management information systems to support business growth without increasing overhead.
Our Solution
As CFO, managed all business and financial operations, selected and installed a new management information system, and oversaw HR, banking, bonding, insurance, and accounting systems.

Key Results

100%

Revenue growth in 3 years

0

Overhead staff added

83%

Billing cycle time reduced

What We Did

Selected & installed new management information system

Doubled business without adding overhead personnel

Reduced billing cycle time by 83%

Generated $2M in positive cash flow

“Expanding a business 100% without adding overhead—that’s what happens when your financial operations are built right from the start.”

— Will Abberger, CFO

Want results like these for your business?

Local Roots, National Reach

We’re proud to serve businesses throughout Florida and beyond. Our St. Petersburg base gives us deep local connections, while our remote capabilities allow us to partner with growing businesses anywhere in the United States.
Local Expertise
Deep understanding of Florida business landscape and regulations
Nationwide Service
Modern tools and processes to support businesses across the country

Are Your Books a Mess?

Incomplete, inaccurate books hold your business back. Request a consultation and discover how great financial information leads to great business decisions. No pressure—just a straightforward conversation about your goals.

Call us directly

Send us an email
abberger.william@gmail.com
Great decisions come from having great information. Let’s make sure you have it.