A general contractor buys work out. A specialty contractor sells work in. They share the documents, the deadline and most of the vocabulary, and almost none of the meaning. Here is what each side actually buys, how big each side is, and which words give an outsider away.
Read this the way we wrote it. Every claim below carries a grade, because most writing on this subject does not distinguish between a number in an annual report and a number on a marketing page. Disclosed means a filing or the vendor's own documentation. Vendor-stated means self-reported and unaudited. Estimated means we modelled it here and said how. The load-bearing caveat: no bid-board-specific subscriber count exists in public. Autodesk does not break out BuildingConnected at all, and Procore discloses total customers but not by product or firm type. Anything split that way is marked Estimated and should never be quoted as a disclosure. If you find something here that has moved, we would genuinely like to know.
Both vendors serve general contractors and specialty contractors, and both split their products by which direction the invitation travels. Where they diverge is what they offer the trade, and that difference matters more than any feature list.
| Autodesk BuildingConnected | Procore | |
|---|---|---|
| General contractor product sends invitations |
BuildingConnected Pro. Described by Autodesk as bid management software for general contractors and owners. | Procore Bid Management. A module inside the wider platform. |
| Specialty contractor product receives invitations |
Bid Board Pro. A separate product with its own buyer, its own renewal and its own cancel decision. | No separate product. The Bid Board tool plus a Procore Construction Network profile, both inside the main platform. |
| Risk and vetting | TradeTapp. Named after the subcontractor, sold to the general contractor. The trade is the object, not the buyer. | Prequalification handled inside the platform. |
| Can a trade receive and answer an ITB without paying? | Yes Disclosed | Yes Disclosed |
| Pricing basis | Described by Autodesk as flexible user, project and account-based pricing. | Priced on annual construction volume. The annual report states Procore typically does not charge a per-seat or per-user fee. Disclosed |
| Published price | Quote-based. Every tier reads Request a Quote. | Quote-based. |
| Current parent branding | Autodesk Construction Cloud is now Autodesk Forma. The three products above kept their names and sit under Forma for Preconstruction. | Unchanged. |
Autodesk BuildingConnected product and pricing pages, read August 16, 2026. Procore Form 10-K for fiscal 2025. Procore support documentation on the Bid Board tool and the Procore Construction Network.
Why the asymmetry matters. Autodesk sells a specialty contractor its own product. There is a line item, a renewal date, and a person who signed for it. Procore sells a specialty contractor a seat in the general contractor's world, and grows its revenue with construction volume rather than estimator headcount.
So the same question lands differently. Ask a trade running Bid Board Pro what it costs and you get a number. Ask a trade on Procore and there is often nobody who can answer, because nobody is writing a check for the bid board specifically.
Worth being precise here, because comparison articles usually are not. Receiving invitations is where both platforms start you, with no paid seat required. Nobody is gatekeeping your access to work.
What the paid tier adds is the machinery for handling volume, and that is a real purchase with a real reason behind it. The contractor who buys it is normally the one whose invitation count went up, which is a good problem and a sign the network is doing its job.
Autodesk's help documentation refers to subcontractors using the no-payment version of Bid Board and describes Bid Board Pro as the upgrade. Procore's documentation is more explicit still. A company with a no-payment Procore account that assigns bid contacts and makes its business page visible is, in Procore's words, automatically available to receive bid invitations, and can respond from the Bid Board or Planroom tools.
What sits behind the paywall on the Autodesk side is the management layer, and it is worth knowing precisely, because it maps onto the real work:
Read that list and the logic of the Pro tier is clear, and it is sound. It is built for the contractor whose invitation volume has outgrown a shared inbox and a spreadsheet, and it does that job. Centralizing the board, forwarding the stragglers in, and getting the obvious misses out of the way is real work, and a growing contractor genuinely needs it done.
What it leaves open is the question every estimating bench hits next. Of everything that clears the filters, which ones deserve a number this week? That is a different question, and it needs facts the platform was never built to hold.
Autodesk publishes no price for any BuildingConnected tier. Dollar figures circulating on comparison sites carry no sourcing, and the most careful of those sites declines to publish one. The only number worth planning against is a written quote for your own company.
Establishment counts from the US Census Bureau's County Business Patterns for 2023, the most recent release. An establishment is a physical location, so a general contractor with twelve offices counts twelve times. Read these as the shape of the market rather than a firm count.
| NAICS | Sector | Establishments | Employment |
|---|---|---|---|
| 23 | All construction | 814,557 | 7,659,459 |
| 236 | Construction of buildings (the general contractor side) | 254,630 | 1,621,439 |
| 2361 | Residential building | 212,178 | 905,357 |
| 2362 | Nonresidential building | 42,452 | 716,082 |
| 23622 | Commercial and institutional building | 39,072 | 640,858 |
| 23621 | Industrial building | 3,380 | 75,224 |
| 237 | Heavy and civil engineering | 38,612 | 1,051,261 |
| 238 | Specialty trade contractors | 521,315 | 4,986,759 |
| 2382 | Building equipment (electrical, mechanical, plumbing) | 202,656 | 2,381,266 |
| 23822 | Plumbing, heating and air-conditioning | 111,207 | 1,214,761 |
| 23821 | Electrical | 83,342 | 1,015,983 |
| 2383 | Building finishing | 128,009 | 863,952 |
| 2381 | Foundation, structure and building exterior | 106,125 | 959,465 |
| 23812 | Structural steel and precast concrete | 4,005 | 82,184 |
| 2389 | Other specialty trade | 84,525 | 782,076 |
US Census Bureau, County Business Patterns 2023 national file, released June 2025. Pulled and parsed directly from the published dataset. Disclosed
Very little, and the gap between what is known and what gets repeated is wide enough to be worth naming.
The trap in those network numbers. They count profiles, not payers. A network whose receiving function requires no paid seat will accumulate profiles almost without limit, because every general contractor who wants to invite a trade has a reason to get that trade listed. A million-plus figure is a reach claim. It is not a subscriber count, and reading it as one leads to badly wrong conclusions about how crowded the paid market is.
The honest structure of the answer is this. Something on the order of 1.5 million network profiles sits against something on the order of ten thousand firms paying for trade-side bid management. That second figure is modelled here from the addressable population of commercially bidding trades and a paid conversion rate constrained by the fact that the core function has a no-payment tier. Estimated
The reading to take from that gap: this market is not under-networked. It is under-decided. Getting invited was solved. Choosing what to chase was not.
The question "BuildingConnected or Procore" contains a premise that mostly does not hold. For most companies they are not competing purchases.
BuildingConnected is a preconstruction tool. It runs before the award, while work is being solicited and priced. Procore is an execution platform. It runs after the award, while the job is being built. A commercial general contractor soliciting in one and building in the other is running a normal stack, not duplicating spend.
Genuine duplication exists in one narrow case: a company paying for two bid boards at the same time. That happens during a migration, or when a general contractor mandates a Procore account that sits next to an incumbent Bid Board Pro seat. It is uncommon and it rarely lasts.
A better question than which platform. Ask instead: where does an invitation land, and who decides on it?
That question maps every intake channel including plain email, finds the human bottleneck, and assumes nothing about the stack. An answer of "both" is a company telling you its stack is working normally.
Same project, same documents, same deadline. Opposite motions.
Look at what each side's step two costs. The general contractor's expensive mistake is a scope nobody priced, found after award. The specialty contractor's expensive mistake is estimating hours spent on a job that was never winnable. Both platforms invest heavily in the first problem, because the general contractor holds the network effect. The second problem is mostly still handled in hallways, inboxes and one person's memory.
The two problems are the same problem, seen from opposite chairs. The general contractor is short of real bids on a package. The trade is buried in invitations and answering a shrinking share of them. Every invitation a good trade lets go quietly is a package the GC has to cover somewhere else.
Which means deciding faster is not only a cost-saving move for the trade. It puts more numbers on more desks, on the packages that trade actually fits. The GCs you want to keep get better coverage from you, and you stop going quiet on the invitations that mattered because you were buried under the ones that never did.
These are the terms that expose an outsider fastest, because both sides use them constantly and mean different things by them.
| Term | To a general contractor | To a specialty contractor |
|---|---|---|
| Bid | The whole proposal going to the owner. | The price for one scope, going to the GC. |
| Bid board | The pipeline of projects being chased. | The inbox of invitations that arrived. Opposite direction. |
| Invitation to bid | Something you send. | Something you receive. Directionality is the whole thing. |
| Leveling | A verb you perform on other people's numbers. | Something done to you. A trade never levels. A trade gets leveled. |
| Coverage | Enough qualified bidders on each package. | No equivalent concept. Using it here marks you as an outsider. |
| Hit rate | Win rate on pursuits. Tracked, not central. | The number the whole business runs on. |
| Plug | A number you insert to fill a hole in someone's bid. | Being plugged means your bid was incomplete. |
| Scope | The package boundary you are buying. | What you are responsible for, and what you explicitly exclude. |
| Prequalification | Something you administer. | Paperwork you submit, again. TradeTapp is named after the trade and sold to the GC. |
| Self-perform | Trade work done with your own crews. | The GC competing with you. Never a casual subject. |
| Tier | Rarely used. | Second tier means working under another sub. In steel, an erector often sits under a fabricator. |
| Trade partner | The polite in-house word for a subcontractor. | Nobody describes themselves this way. It is a word said about you, not by you. |
| Award, buyout | Verbs you perform. | Things that happen to you. |
Compiled from Autodesk's published preconstruction glossary, Procore's bid leveling documentation and Form 10-K, and standard estimating practice.
All three are correct, and the market leaders use them in a consistent pattern worth copying rather than fighting.
The formal noun goes on the label. The plain noun goes in the sentence. Autodesk's firm-type navigation reads General Contractor, Specialty Contractor, Owner, Designer, while the product tagline underneath reads bid management software for subcontractors. Procore does the same, and states the equivalence outright in its annual report.
Specialty contractors, commonly referred to as subcontractors, are hired by general contractors for their specialized skills, such as mechanical, electrical, plumbing, roofing, or concrete trades, and perform the vast majority of construction work.
Procore Technologies, Form 10-K for fiscal year 2025. Disclosed
Neither term is a euphemism for the other. Specialty trade contractor is the federal classification, NAICS 238, used by the Census Bureau and the Bureau of Labor Statistics. Subcontractor is the working word, it is how people talk on a jobsite, and the trade's own national association is the American Subcontractors Association. Autodesk's glossary adds the third: subcontractors are sometimes referred to as trades.
The one to avoid as a label is trade partner. It is a real and growing term, but it comes out of general contractor relationship programs, and it is a word a GC uses about a subcontractor. No bid platform uses it as an audience label. A welding company does not describe itself as a trade partner or go looking for trade partner software.
Definitions as the platforms and the practice use them, not as a dictionary would.
There is no exact equivalent. Autodesk sells specialty contractors a separate product called Bid Board Pro. Procore has no separate subcontractor bid product. Its answer is the Bid Board tool plus a Procore Construction Network profile, both inside the main platform.
Because Procore prices on annual construction volume rather than per estimator seat, there is no standalone bid board subscription for a trade to buy or cancel.
No, on either platform. Autodesk's documentation refers to subcontractors using a no-payment version of Bid Board, with Bid Board Pro as the upgrade. Procore documents that a company with a no-payment account which assigns bid contacts and makes its business page visible is automatically available to receive bid invitations, and can respond from the Bid Board or Planroom tools.
What the paid tier buys is management: email intake, filtering rules, assignment, follow-up tracking and reporting. Not access to the work.
Autodesk does not publish a price. As of August 2026 the BuildingConnected pricing page lists BuildingConnected Pro, Bid Board Pro and TradeTapp, and every tier reads Request a Quote. Autodesk describes the structure as flexible user, project and account-based pricing.
Dollar figures on comparison sites carry no sourcing. Get a written quote for your own company and treat everything else as noise.
Census County Business Patterns for 2023 counts 521,315 specialty trade contractor establishments and 254,630 building general contractor establishments, of which 39,072 are commercial and institutional builders. Specialty trades employ 4,986,759 people against 1,621,439 for building general contractors.
Procore disclosed 17,850 customers as of December 31, 2025, across all products and firm types. Autodesk does not break out BuildingConnected in its filings at all.
The million-plus figures in BuildingConnected's marketing count network profiles on a tier that requires no payment, not subscribers. Any number that splits subscribers by product or by firm type is an estimate, and should be labelled as one.
Regularly, and it is usually not waste. BuildingConnected is preconstruction and runs before the award. Procore is execution and runs after it. Real duplication only happens when a company carries two bid boards at once, which is uncommon and usually temporary.
Bid leveling is the general contractor's process of confirming that every bidder on a package priced the same scope. A specialty contractor does not level. A specialty contractor gets leveled.
Where a bid is missing an item, the GC inserts a plug to fill the hole. This is why a genuinely competitive price still loses: the number was fine, the scope was incomplete, and the plug made it look expensive.
Estimating-industry sources commonly cite roughly 7 to 1 or 11 to 1 on public works, about 5 to 1 on private bid work and about 4 to 1 on negotiated work. These are practitioner rules of thumb, not association research.
Your own hit rate broken out by general contractor, job type and size band will tell you more than any published average, because it tells you which invitations to stop answering.
Both. The market leaders put specialty contractor on the label and subcontractor in the sentence, and Procore's annual report states the equivalence directly. Specialty trade contractor is the federal classification, NAICS 238. Subcontractor is the working word and it is where the search traffic lives.
The one to avoid as a label is trade partner. It is a word a general contractor uses about a subcontractor, not one a subcontractor uses about itself.
Why we spent the time on this. BidStrike is a pursuit and estimating platform for commercial construction teams. It runs on top of BuildingConnected through Autodesk's sanctioned API, and it is not a replacement for the bid board you already have. If you hold a Bid Board Pro seat, keep it. We are built on the assumption that you will.
We are useful to you precisely because that seat is working. It is bringing you invitations. The more of them it brings, the harder the next question gets: which of these deserve a number this week, given the backlog you are already carrying and the general contractors you most want to keep. Your bid board knows the invitation. It does not know your win history with that GC, your margin by job type, or what your bench is carrying on Thursday. We do, because you tell us, and that is the only part we do.
The reason this page exists is in section 07. BuildingConnected and Procore help you find bids. The problem our customers describe is the one that comes after: invitations arrive faster than anyone can read them, good pursuits sit beside bad ones with no clean way to tell them apart, and the go/no-go call quietly happens in a hallway. That is a job-selection problem, not a sales-volume problem.
If something here is wrong or has gone stale, tell us and we will fix it. Corrections improve the page for whoever reads it next.
I'm Rodney. I built BidStrike, and I'm the one who answers. Pick whichever way suits you.
Book a consultPick a time on my calendar. We'll run it against the kind of work you actually bid.
PS. Estimating capacity stuck on go/no-go is revenue you never bid. If that's you, book a call and we'll look at what a tailored fix frees up.
