For Subcontractors

Bid clean.Build your name.

Invited to bid on a job? Respond free. No subscription required. Open the request, ask what you need, and submit a complete bid from the same place. Subscribe when you want Rex AI on the form before you send.

Invite

The invite lands. The job is right there.Invited bids are free.

The invite comes through email. Click it and you land on the Details page, where you can see the job: dates, description, bid expectations, attachments, and more. Notifications keep you in the loop at all times.

Share Status

Give them a heads up.Where you stand on the job.

Share Status is a quick signal. Plan to bid, need more info, or can't. They see it and can plan around it. You don't have to write it out.

Discussion

Got a question?Send a note on the job.

Job discussion is for a quick note when something in the request isn't clear. Restoration in your package or theirs? Send it there so it stays with the job. If it's faster to pick up the phone and hash it out, do that too.

Bid

Fill the form once.Save a draft. Submit later.

Pricing, scope, and timeline sit in the form. Put in what you have, attach your files, and save a draft. Come back and submit when the number is ready.

Rex AI

Rex AI on your bid.A better chance it lands.

Rex AI looks over your draft against their request before you send, so you catch gaps while you can still fix them. A tighter package in front of the same prime. That is a better chance the bid is the one they pick.

Invited bidding stays free. Rex AI is for paid subscribers. Analysis only. The send stays yours.

See how Rex AI works for bidders

Stay in the loop

The job keeps moving after you send.You hear about it.

Emails and notifications come in if the prime edits the job or adds an addendum. You'll know when they make their decision. Stay on the request without digging through your inbox.

When you want more than invited bidding, the company profile is how you show up on the Network: past work, certifications, and what other teams can see.

How your profile shows up

FAQ

Questions from bidders.

Do subcontractors need to pay?

No. Invited and existing subcontractors can bid for free. They can create a free account and respond to your jobs at no cost.

If they subscribe, they get Rex AI on the draft, can share past job experience and qualifications, get discovered on the Network, and bid on public jobs. Subscription is optional for bidders.

Lead contractors subscribe to post jobs and build their network; bidders can participate for free when invited.

How do I get notified about new jobs?

You'll receive email notifications and in-app alerts when a company you follow posts a request, or when you're directly invited to bid.

Can I communicate with other users inside the app?

Yes — KNTRCTR has built-in messaging for each job so you can discuss details, ask questions, or share files directly.

Discussion stays on the job

Is KNTRCTR free to use?

Lead contractors get a 30-day free trial, then a flat monthly subscription. No hidden fees, no commissions.

Subcontractors invited to bid can respond for free. No subscription required. If they subscribe, they get Rex AI on the draft, plus past work on their profile, Network visibility, and public jobs.

More questions

Invited bidding is free.Rex AI is there when you want the edge.

Subscribe when you want more than invited bidding: Rex AI on the form, public jobs, posts of your own, and the reviews primes leave for you.

  • Rex AI on your bid
  • Bid on public jobs
  • Post your own jobs
  • See reviews primes leave