Blog Article

Estimating vs. Actuals: Why Your Bid Margin Shrinks by the End of the Job

Winning the bid is the exciting part. Then the real world shows up, and the margin you quoted quietly erodes over the months that follow. The gap between your estimate and your actual costs is measurable, and it is fixable.

Hello, welcome. Have you ever gone to bid a job and you were expecting about a 25% profit margin, only to wrap up the job many months later and realize it has basically deflated to about 8%? That can be so frustrating, and trust me, you are not the only contractor that happens to. So today, Jenn is going to be talking about the four biggest leaks that we can see and how we can plug those gaps so that you can actually feel confident with your bidding process and keep that money for yourself.

Today we are talking about estimating versus actuals. Why do you want to listen to Jenn? Well, at All Accounting, they specialize in contractors that are doing anywhere from $500,000 to $10 million, and they really like to dig into their numbers and help them understand what is going on, especially around job costing. When you reach that $1 million mark, things become a lot more nuanced, and those larger jobs are really important to look at those micro profit and losses. It all starts with estimating, and we want to make sure that we are bidding that and closing the loop on it so that we can continue to gain insight and review better for the next time that we go out and bid a job.

It is really great when someone accepts your bid; it is exciting, and you have spent a week or sometimes months dialing in how much the project is going to cost. However, that is only a part of what is actually happening. Then you have the real world where things fly in, and sometimes we are bidding the job from old historical data. Looking at last year's materials, as we know from the last couple of years, inflation has been crazy and tariffs have been crazy, it is really important to make sure that you are dialing in with real-time data versus information that hasn't been updated. When talking about labor rates, we want to make sure that things are not just based on base wages, as there is a lot more complexity to it. One of the biggest things is closing that loop and saying, this is what the estimation was, this is what actually happened, where are those final cost variances happening, and how can we estimate even better?

So, what are the four leaks we can see? First is the missing burden rate. This is going to be your wages, but the burden part is your employer taxes, any employer-required costs, workers' compensation, and whether you provide insurance or breaks to ensure people are well-rested and stable. Second, look at material costs. If you aren't updating your supplier information into your estimating source, you could be losing time or using outdated numbers, like a door that was $800 a year ago but is $1,000 now. We want to close that gap. Third is undercounted overhead. You need to allocate certain things not directly related to the project but which come into play, like vehicles used specifically for projects or equipment like lifts that you own but don't use every single day. You need to make sure those are incorporated into your figures even if you aren't renting them.

Finally, the most important piece is the broken feedback loop. You must come back and realize, let's look at the old information, those estimates, and what actually happened. Did we need more material? Was more labor involved? Do we need to do a change order? Just make sure that you are actually reviewing things. Diving a little more into labor, it is one of the highest costs you will have. If you are using someone hired as a W2, there are many nuances to the actual rate. You may hire them for $35 an hour, but that is just the base salary. Other factors include FICA, FUTA, and SUTA, which are employment taxes. Workers' compensation ranges depending on the type of work and the risk involved, such as roofing being higher risk than landscaping. You also have to consider providing insurance, retirement matching, or vacation. These are real costs for the business. Typically, your true labor cost will be 1.3 or 1.5 times more than the base rate, so keep that in mind when estimating.

Regarding the estimating margin versus realized margin on bid day, the expected gross profit is submitted with a proposal. This is where we have many assumptions, we feel like everything is perfect, you have ideal weather, zero hiccups, and everyone is on time. A lot of times, we may bid with that mindset. But realistically, we have more field trips or the scope of work has gone out from what was originally quoted and we haven't billed for it. All of these things creep up, and that is where profit margins begin to collapse. Ensuring that we are reviewing on a regular basis what is actually happening and building a closed-loop bidding process is an important piece of showing up for your numbers. When you are larger, from $500,000 to $10 million, things are in different places, like different software for estimating and inventory tracking. Creating a regular cadence of reviewing that information is so important, because if you don't, you could be working wrong for months or years. Where you put your focus and your mind to analyzing numbers is where you can dial in and ensure that things are in the direction you want to go. If you have no focus, everything will become loose and turn into financial chaos, which will erode your bank account and put you out of business. That is it for today. Jenn hopes that this information can help you in your estimating process, and they would love to hear your story and see about working with your company.

Estimating versus actuals means comparing what you bid a job at against what it actually cost once the work is done. Many contractors bid at a 25% margin and finish nearer 8%. That gap comes from a few predictable leaks, and closing the loop between your estimate and your actuals is how you catch them and bid sharper next time.

Why does my margin shrink between the bid and the finished job?

Because the bid is a set of assumptions and the job is the real world. You spend a week, sometimes months, dialing in what a project should cost, and it is genuinely exciting when the bid is accepted. But that estimate is only part of the story.

Then real costs start flying in. Often you are bidding from old historical data, last year's material prices, and with the inflation and tariffs of the last few years, those numbers move fast. Labor gets treated as base wages when there is far more to it. The fix is closing the loop: here is what we estimated, here is what actually happened, here is where the variances landed, and here is how we estimate better next time. That is especially true once you pass the $1 million mark, where larger jobs deserve their own micro profit and loss review.

What are the four leaks between estimate and actual?

Four gaps account for most of the erosion.

1. Missing burden rate

Wages are only part of labor. The burden is everything on top: employer payroll taxes, employer-required costs, workers compensation, and things like insurance or adequate breaks that keep crews rested and stable. Leave the burden out and every labor line in your bid is understated from the start.

2. Outdated material costs

If you are not feeding current supplier pricing into your estimating source, you are bidding last year's numbers. A door that was $800 a year ago might be $1,000 today. Multiply that kind of drift across a full materials list and the gap adds up quickly.

3. Undercounted overhead

Some costs are not tied directly to a project but still belong in it. Vehicles used specifically for jobs, or equipment like a lift you own and do not rent, still cost money. Allocate them into the job even though no rental invoice ever shows up.

4. A broken feedback loop

This is the most important one. You have to come back and compare the estimate against what actually happened. Did the job need more material? More labor? Was there a change order or scope creep that never got billed? Without that review, nothing improves and the same leaks repeat on the next bid.

Why is labor the leak that hurts most?

Labor is usually your highest cost, and the base rate is the smallest part of it. Hire someone at $35 an hour and that figure is just the base salary.

On top of it sit payroll taxes (FICA, FUTA, and SUTA, meaning Social Security and Medicare plus federal and state unemployment), workers compensation that varies with risk (roofing carries a much higher rate than landscaping), and anything you provide like insurance, retirement matching, or vacation. Add it all up and your true labor cost typically runs 1.3 to 1.5 times the base rate. Estimating at $35 when the real cost is closer to $45 or $52 is how a healthy-looking bid quietly goes underwater.

Estimated margin versus realized margin

The margin on your proposal assumes everything goes right. The realized margin is what is actually left after real life.

On bid day you submit an expected gross profit built on assumptions: perfect conditions, ideal weather, zero hiccups, everyone on time. Reality brings extra trips to the field and scope that grew past the original quote without a change order to bill it. Each one shaves the margin, and together they collapse it. The defense is a regular cadence of review and a closed-loop bidding process.

At $500,000 to $10 million in revenue, your estimating and inventory data often live in different software, which makes a scheduled review even more important. Skip it and you can be bidding wrong for months or even years. Where you put your attention is where the numbers tighten up. Without that focus, things drift toward financial chaos that erodes your bank account.

How do you actually close the loop?

The mechanism that captures what actually happened is job costing. Tag every cost to the job, then set a regular time to hold the estimate against the actuals so the variances are visible while you can still act on them.

From there, comparing periods and jobs is what turns one review into a pattern you can trust. A profit and loss comparison helps you see whether a change you made to your bidding actually moved the needle, and reliable numbers to compare start with reconciled books.

Key takeaways

Estimating versus actuals is the discipline of comparing what you bid against what the job truly cost.
A 25% bid finishing at 8% is common, and the erosion comes from predictable leaks.
The four leaks: missing labor burden, outdated material prices, undercounted overhead, and no feedback loop.
True labor cost usually runs 1.3 to 1.5 times the base wage once taxes, workers comp, and benefits are added.
Your proposal margin assumes everything goes right. Scope creep and extra field time are what collapse it.
Set a regular cadence to review estimate against actual. Miss it and you can bid wrong for months.

Frequently asked questions

What does estimating versus actuals mean?

It is the practice of comparing what you bid a job at against what it actually cost once the work is complete, then using the difference to sharpen your next bid.

Why did my 25% bid finish at only 8%?

Because the bid was built on assumptions and the job met the real world. The usual culprits are an understated labor burden, material prices that rose since you last updated them, overhead that never got allocated, and scope that grew without a change order.

What is a labor burden rate?

It is the full cost of an employee beyond their base wage: employer payroll taxes, workers compensation, and any insurance, retirement matching, or paid time off you provide. Leaving it out understates every labor estimate.

How much more than the base wage does labor really cost?

Typically 1.3 to 1.5 times the base rate. Someone hired at $35 an hour often costs the business closer to $45 to $52 once burden is included.

How do I stop my margins from shrinking?

Close the loop. Track costs to each job, review the estimate against the actuals on a regular schedule, update your material and labor inputs, and bill for scope changes. That cadence is what protects the margin you bid.

Want help closing the loop on your bids?

Tightening the gap between estimate and actual is exactly the kind of work we do in our Virtual CFO service, and we set up job costing properly as part of ongoing accounting for contractors. We would love to hear your story and see whether we are the right fit. Email help@allaccountingllc.com or reach out to All Accounting.

Know your numbers. Own your future.