Softwr

Construction · head to head

B2W Estimate vs Siteline

B2W Estimate logo

B2W Estimate

Construction

Heavy civil estimating and bidding built on crew, equipment and production rates rather than unit prices

From
On request
Rated
-
Full reviewWebsite
Siteline logo

Siteline

Construction

Pay application and billing workflow built only for speciality subcontractors

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: B2W Estimate pricing is not published anywhere, and the quote depends on estimator seats plus which of the four other B2W modules you take, so like-for-like comparison with HeavyBid or spreadsheets is impossible without going through a sales cycle; Siteline it serves subcontractors only, so a general contractor evaluating it is looking at the wrong side of the transaction entirely.
  • They diverge on capability: B2W Estimate covers Production-rate estimating, Siteline covers Pay application generation.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which B2W Estimate and Siteline actually diverge.

Attributes where B2W Estimate and Siteline differ
AttributeB2W EstimateSiteline
PlatformsWindows, WebWeb

Identical on both: starting price (On request), pricing model (quote), free tier (No), user rating (Not yet rated), category (Construction).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in B2W Estimate

  • Production-rate estimating
  • Central resource database
  • Concurrent bidding
  • DOT bid file export
  • Alternates and addenda
  • Field feedback loop
  • Bid analysis

Only in Siteline

  • Pay application generation
  • Lien waiver management
  • Compliance document tracking
  • Billing status visibility
  • Accounting system integration
  • Accounts receivable reporting

What people use each for

The jobs each tool is most often brought in to do.

B2W Estimate

  • A grading contractor bids a 40 million dollar DOT job and needs to test three crew configurations against the same quantities before the bid deadlinenot Siteline
  • A utility contractor wants the production rates used in the winning bid pushed into field logging so the superintendent is measured against the estimatenot Siteline
  • An estimating department with four estimators needs several people working on separate sections of one bid without merging spreadsheets by handnot Siteline
  • A contractor moving off HeavyBid wants a resource database it can reuse across estimating, dispatch and fleet maintenancenot Siteline

Siteline

  • A trade contractor whose billing team rebuilds the same pay application in four different general contractor formats each monthnot B2W Estimate
  • A subcontractor losing a billing cycle to rejected applications over missing lien waiversnot B2W Estimate
  • A finance director trying to forecast collections across dozens of general contractors and retention balancesnot B2W Estimate
  • A growing subcontractor whose billing process depends entirely on one person and a spreadsheetnot B2W Estimate

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

B2W Estimate

  • Pricing is not published anywhere, and the quote depends on estimator seats plus which of the four other B2W modules you take, so like-for-like comparison with HeavyBid or spreadsheets is impossible without going through a sales cycle
  • The system is worthless until your own crews, equipment and production rates are loaded, which is typically several months of a senior estimator's time before the first bid comes out
  • It is aimed squarely at heavy civil self-performing work, so a general contractor whose bids are mostly subcontractor quotes gets very little from the production-rate engine
  • The Trimble acquisition means the product now competes internally with other Trimble civil estimating assets, and buyers should ask directly about the long term roadmap for overlapping products before signing a multi-year term
  • Reporting outside the Inform module is limited, so organisations that want bid analytics across years typically end up buying another module or extracting to a warehouse

Siteline

  • It serves subcontractors only, so a general contractor evaluating it is looking at the wrong side of the transaction entirely.
  • It does not do job costing, project management or payroll, so it is an addition to your systems rather than a consolidation of them.
  • Value depends on a clean integration to your construction accounting system, and contractors with heavily customised or elderly installations should confirm the connection before signing.
  • General contractor portals and billing formats change without warning, and although the vendor absorbs that maintenance you still feel it as occasional friction in a month-end window with no slack.
  • The billing team has to adopt it fully in the first month-end or they revert to spreadsheets under deadline pressure, which makes the implementation timing more delicate than the software suggests.

Pricing, plan by plan

B2W Estimate

On request
  • B2W Estimate$undefined/year
    • Priced per estimator seat with a separate server or hosting component
    • Additional B2W modules quoted separately
    • Implementation and resource database setup billed as a project

Siteline

On request
  • Siteline$undefined/year
    • Pay application workflow
    • Lien waiver and compliance tracking
    • Accounting system integration

Which should you pick?

Choose B2W Estimate if

  • You need production-rate estimating.
  • You work on Windows, Web.
  • You also want central resource database.
B2W Estimate review

Choose Siteline if

  • You need pay application generation.
  • You also want lien waiver management.
Siteline review

Questions people ask

Is B2W Estimate or Siteline better?
Neither clearly leads. B2W Estimate starts at On request and Siteline at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, B2W Estimate or Siteline?
B2W Estimate starts at On request and Siteline at On request.
Does B2W Estimate or Siteline run on more platforms?
B2W Estimate runs on Windows, Web. Siteline runs on Web.
What is B2W Estimate best used for?
B2W Estimate is most often used for a grading contractor bids a 40 million dollar dot job and needs to test three crew configurations against the same quantities before the bid deadline, a utility contractor wants the production rates used in the winning bid pushed into field logging so the superintendent is measured against the estimate, an estimating department with four estimators needs several people working on separate sections of one bid without merging spreadsheets by hand, a contractor moving off heavybid wants a resource database it can reuse across estimating, dispatch and fleet maintenance. Of those, a grading contractor bids a 40 million dollar dot job and needs to test three crew configurations against the same quantities before the bid deadline and a utility contractor wants the production rates used in the winning bid pushed into field logging so the superintendent is measured against the estimate are not what Siteline is typically brought in for.
What can B2W Estimate do that Siteline cannot?
B2W Estimate covers Production-rate estimating, Central resource database, Concurrent bidding, DOT bid file export. Siteline covers Pay application generation, Lien waiver management, Compliance document tracking, Billing status visibility.

Answered from the vendors’ own pages

B2W Estimate: Is B2W Estimate still sold under its own name?

Yes. Trimble acquired B2W in 2022 and continues to sell it as B2W Estimate within the Trimble Construction portfolio.

Siteline: Does it replace our accounting system?

No. It reads from Sage 300 CRE, Vista, Foundation and similar systems and handles the billing workflow those systems handle poorly.

B2W Estimate: Is there a perpetual licence?

Current sales are subscription based. Existing perpetual customers have been migrated toward subscription, so treat a perpetual arrangement as something to negotiate rather than assume.

Siteline: What should we measure in a trial?

Days sales outstanding and the number of rejected or delayed pay applications. The case is about cash timing, not headcount.

B2W Estimate: How does it compare with HeavyBid?

Both are production-rate estimators for heavy civil. B2W's argument is the shared resource database across estimating, field tracking, dispatch and maintenance; HeavyBid's is depth of bidding features and a large installed base in highway work.

Siteline: Is it useful for general contractors?

No. It is built for the party submitting pay applications, not the party receiving them.

B2W Estimate: Does it work for building construction?

Poorly. It assumes self-performed work priced by crew output. Vertical builders bidding mostly subcontracted scopes should look elsewhere.

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