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Independent Estimating. Built for Heavy Civil.

Independent Estimating. Built for Heavy Civil.

Backbone Estimating delivers accurate, defensible cost estimates for public agencies, engineering firms, and contractors—backed by real field experience.

Backbone Estimating delivers accurate, defensible cost estimates for public agencies, engineering firms, and contractors—backed by real field experience.

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Field-Backed Accuracy.

Our estimates come from professionals who have worked in the field, not just behind a desk.

Independent & Unbiased.

As a third-party estimator, we have no stake in the outcome—just the numbers.

Built for Public Works.

We understand the compliance, documentation, and scrutiny that comes with public works projects.

Public Agencies

Engineering Firms

Contractors

Owner Operators

Ready to get started?

Contact us for a defensible, field-backed estimate you can trust.

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Engineer’s estimates for agencies.

We deliver precise construction estimates for public clients, supporting reliable budgeting and planning needs.

Independent cost reviews.

Independent cost reviews.

Our team provides third-party estimate reviews for accuracy and competitiveness, supporting any project phase.

Serving diverse clients.

Public agencies, engineers and contractors rely on us for dependable, unbiased, independent cost estimates.

Clients

Public Agencies

Engineering Firms

Contractors