Stop Chasing Subs. Start Building.

The go-to platform for GCs, manufacturers, integrators, and engineering firms to find qualified commercial and industrial subcontractors — in minutes, not hours.

Verified Contractors
Real Reviews
One Form, Multiple Bids

Trusted by Industry Leaders

Turner Construction
Brasfield & Gorrie
Schneider Electric
AECOM
Siemens
Black & Veatch
Honeywell
Jacobs Engineering
QTS Data Centers
Rockwell Automation
HDR Engineering
ABB
Skanska
Emerson
WSP Global
Johnson Controls
Turner Construction
Brasfield & Gorrie
Schneider Electric
AECOM
Siemens
Black & Veatch
Honeywell
Jacobs Engineering
QTS Data Centers
Rockwell Automation
HDR Engineering
ABB
Skanska
Emerson
WSP Global
Johnson Controls

Turner Construction

12 hrs

Saved per project on sub research

Schneider Electric

3x

Faster installer network expansion

Black & Veatch

47%

Reduction in contractor vetting time

Rockwell Automation

50%

Faster field service partner sourcing

Platform Activity

See What's Being Bid Right Now

Real RFQ requests from GCs, manufacturers, and engineering firms nationwide

Recent RFQ Activity
This Week
Electrical1 hour ago

Data center power distribution - 50MW facility buildout

HVAC2 hours ago

Precision cooling system for hyperscale data center

Electrical3 hours ago

Commercial solar array installation - 2.5MW rooftop system

Electrical4 hours ago

EV battery storage system - 10MWh grid-scale project

Why Builda

Finding contractors shouldn't feel like a second job

Inconsistent experiences

Every contractor website is different. Some have pricing, some don't. Some respond in hours, others in weeks.

Redundant RFQ submissions

You find 5 potential subs. Now you're filling out 5 different forms, attaching the same plans 5 times.

Hours chasing RFQ replies

Phone tag. Waiting on emails. Following up again. By the time you get 3 RFQ replies, you've lost a week.

The Builda Way

One form. Three RFQ replies.

Submit your project details once. We match you with qualified contractors who compete for your business. Get multiple RFQ replies in 48 hours, not weeks.

No duplicate forms
Verified contractors
Your RFQ
1 Form
ApexElectrical
VoltElectrical
SparkElectrical
3 RFQ Replies
3x
Faster RFQ replies
80%
Less admin
48hr
Response time

Browse by Trade

Find specialized subcontractors for your project

Construction worker reviewing blueprints

Browse by Service Area

Subcontractors in major US markets

The Process

How It Works

From search to signed contract, we streamline every step of finding your next subcontractor partner.

01

Search & Compare

Browse contractors by trade, location, and project type. Compare ratings, certifications, and verified reviews side by side.

02

Request RFQ Replies

Submit your project details once and receive up to 3 personalized RFQ replies from pre-qualified subcontractors.

03

Hire with Confidence

Review proposals, check references, and hire the best contractor for your job with full transparency.

1,000+
Verified Contractors
200+
Cities Covered
500+
Leads Per Month
4.8
Average Rating

For Contractors

Competition doesn't shrink the pie. It grows it.

Think about two competing soda brands. When vending machines sit side by side, neither loses sales — total consumption goes up.

The same applies here. GCs, manufacturers, and engineering firms seeing your company alongside other qualified subcontractors doesn't dilute your position — it validates it.

More Visibility

Get discovered by GCs actively searching for subs

Instant Credibility

Verified badge builds trust before first contact

Quality Leads

RFQs from real projects, not tire kickers

Grow Your Pipeline

Consistent deal flow without chasing