By Doug McMurtrie 

In commercial cleaning, winning a contract is only the beginning. Maintaining profitability over the life of that contract is where operational discipline truly matters. Yet many cleaning contractors experience gradual profit erosion without recognizing the source. 

This phenomenon, often referred to as margin leakage, occurs when small inefficiencies, unbilled tasks, scope drift, or labor misalignment slowly chip away at profitability. Unlike a major pricing mistake, margin leakage is subtle. It develops over time and often goes unnoticed until financial performance begins to tighten. 

For contractors operating on already competitive margins, preventing margin leakage is essential to long-term sustainability. 

Where it Begins 

Margin leakage rarely stems from a single catastrophic decision. It typically originates from everyday operational habits that go unexamined. Common sources include: 

• Scope creep without contract adjustments 
• Rework caused by inconsistent quality 
• Untracked add-on requests 
• Labor inefficiencies between shifts 
• Excessive supervisor time spent on corrective action 
• Supply overuse or misallocation 
• Inaccurate production rate assumptions 

Individually, these issues may seem minor. Collectively, they can significantly impact contract performance. 

In service industries such as building cleaning, labor represents the largest portion of operating costs. According to the U.S. Bureau of Labor Statistics, more than 2 million janitors and cleaners are employed in the United States, making it one of the largest occupations within building and grounds cleaning services. When labor efficiency fluctuates even slightly across accounts, financial impact follows. 

The challenge is not simply pricing contracts correctly; it is maintaining discipline after the contract begins. 

One of the most common forms of margin leakage is informal scope expansion. A client requests a “quick extra task.” A supervisor authorizes additional touch-ups to avoid complaints. Over time, those extras become normalized without formal adjustment to the agreement. 

Contractors often hesitate to push back for fear of damaging the relationship. However, unbilled services accumulate quietly. 

Clear documentation and defined change-order processes protect both parties. When additional tasks are requested, they should be tracked, reviewed, and either incorporated into revised pricing or discontinued. Without documentation, scope drift becomes permanent — and profitability declines. 

Rework is one of the most underestimated drains on profitability. When tasks are not completed to standard the first time, labor hours must be reinvested without additional revenue. Rework often stems from: 

• Inconsistent training 
• Unclear task standards 
• Misaligned inspection criteria 
• Poor shift communication 

Even modest rework rates across multiple accounts compound over time. Contractors who track rework frequency gain valuable insight into systemic inefficiencies. Improving first-pass quality reduces labor waste and strengthens client confidence simultaneously. 

Many contracts are bid using production rate estimates that may not reflect actual site conditions. Over time, occupancy changes, traffic patterns shift, or facility layouts evolve. If production assumptions are not periodically reviewed, crews may require more time than originally budgeted. Without adjustment, margin compression occurs. 

Routine operational reviews that compare actual labor hours to projected hours help identify variance early. When discrepancies appear, contractors can either improve efficiency or revisit contract terms. 

More Costs 

Margin leakage also occurs when supervisory resources are diverted excessively toward corrective action. When supervisors spend disproportionate time addressing complaints, filling in staffing gaps, or resolving quality inconsistencies, overhead costs increase. This dynamic is often invisible in basic labor tracking systems. However, elevated management involvement per account frequently signals operational instability. 

Strengthening standardization and crew accountability reduces the need for reactive supervision and preserves management bandwidth. 

Cleaning operations rely heavily on frontline labor. As workforce changes occur, onboarding and retraining become continuous activities. 

The U.S. Bureau of Labor Statistics projects approximately 351,300 annual openings for janitors and building cleaners over the coming decade, largely due to workers transferring occupations or exiting the labor force. For contractors, this ongoing workforce replacement means training systems must be efficient and repeatable. 

Without structured onboarding, new hires take longer to reach productivity benchmarks. Inconsistent training increases rework and quality variability, further compressing margins. 

Investing in standardized training protects operational efficiency over time. 

Perhaps the most significant contributor to margin leakage is insufficient performance visibility. Contractors who rely solely on monthly financial summaries may miss early warning signs. 

Operational indicators that deserve monitoring include: 

• Labor hours versus budget 
• Rework frequency 
• Inspection scores 
• Overtime patterns 
• Change-order volume 
• Client complaint trends 

When tracked consistently, these indicators highlight variance before it becomes financially disruptive. 

Preventing margin leakage requires deliberate systems rather than reactive adjustments. 

Contractors can reduce erosion by: 

• Establishing clear, documented scopes of work 
• Implementing formal change-order processes 
• Standardizing training and onboarding 
• Aligning inspection criteria across supervisors 
• Conducting periodic labor-to-budget reviews 
• Tracking rework as a measurable metric 

Profitability protection is an operational discipline, not a one-time pricing decision. 

Competitive pricing pressures in the cleaning industry are unlikely to disappear. Contractors who rely solely on aggressive bidding to win work may find themselves vulnerable to long-term erosion.  

Sustainable growth depends on protecting margin after the contract is signed. By identifying sources of leakage early and reinforcing process discipline, contractors strengthen both financial stability and client trust. 

Margin leakage does not announce itself. It accumulates quietly through small operational gaps. 

Contractors who monitor, measure, and manage those gaps proactively preserve profitability—and position themselves for sustainable expansion in an increasingly competitive market. 

Doug McMurtrie is the owner of Complete Care Maintenance, a New Jersey–based commercial cleaning and facility services company serving office, medical, and industrial facilities. With hands-on experience in operations, crew management, and contract performance, he focuses on improving consistency, protecting margins, and strengthening long-term client relationships. Learn more at https://www.completecaremaintenance.com/ 


posted on 3/24/2026