How to Choose a Freight Carrier: A 5-Step RFP Process for Scaling Brands

Choosing a freight carrier means comparing bids against your actual shipping data, not picking a name off a list. For a brand moving real volume, that means running a structured RFP (request for proposal): build a baseline from your shipment history, define what you need beyond price, send it to a short list of carriers, score every bid the same way, and pilot the winner before signing a full contract.

That's a different exercise from what most shipping guides describe. Search "how to choose a carrier" and most results are written for a founder shipping their first hundred parcels: compare a few rates, pick the cheapest, done. Once you're moving real freight volume across a growing number of lanes, that approach starts costing you. A carrier that looked cheap on paper can quietly become your most expensive problem the first time a peak-season shipment doesn't move.

What does "choosing a carrier" actually mean at scale?

Below a certain volume, carrier selection is really rate shopping. You compare a few quotes for a single shipment and go with whichever is cheapest or fastest that week.

Above that threshold, it becomes a procurement decision with real switching costs: integration work, renegotiated service levels, and the operational risk of a carrier who can't hold capacity during your busiest month. At that point, "choosing a carrier" means running a formal RFP across your full lane and volume data, not comparing one-off quotes.

The line usually shows up around the point where you're shipping multiple modes (parcel, LTL, and truckload) or where a single carrier failure would actually disrupt a launch or a peak-season commitment. That's the point to move from ad hoc quoting to a structured RFP.

What criteria should you evaluate a carrier against?

Rate is one input, not the whole decision. A carrier evaluation should weigh:

• Rate structure: base rates, fuel surcharges, accessorials, and how the pricing holds up at your actual volume, not the promotional rate.
• Lane and network coverage: whether they actually run the lanes you ship, or you're a marginal account on routes they don't prioritize.
• Service levels and transit times: guaranteed transit windows, not just averages.
• Capacity during peak: what happens to your freight in the weeks everyone else is also shipping.
• Technology and integration: EDI, API, or TMS compatibility with what your team already uses.
• Claims process: how disputes and damage claims actually get resolved, and how long that takes.
• Financial stability and references: a rate is only as good as the carrier's ability to still be operating in six months.

Weight these against each other before you send a single RFP. A carrier that wins on rate but fails on peak capacity isn't cheaper. It's a risk you haven't priced yet.

How do you run a freight carrier RFP?

Run it in five steps:

1. Build your baseline. Pull twelve months of shipment history: lanes, volume, weight, mode, and current rates. An RFP built on clean data moves faster and gets sharper bids; carriers price gaps in your data as risk.
2. Define your must-haves. Set your weighted criteria before you talk to a single carrier, so you're not building the scorecard around whoever pitches best.
3. Issue the RFP to a short list. Five to eight qualified carriers per mode is usually enough to create real competition without turning the process into a part-time job.
4. Score bids against the same criteria. Every carrier gets evaluated on the same weighted scorecard. This is what keeps the decision defensible later, especially if leadership asks why you picked who you picked.
5. Pilot before you commit. Move a subset of lanes to the new carrier first. A 60-to-90-day pilot surfaces service problems before they're baked into a full contract.

How many carriers should you actually use?

Don't consolidate down to one. Most brands are better served keeping two to three qualified carriers or forwarders per mode: one primary, and one or two backups you've already vetted and can shift volume to when the primary can't perform. That's the same portfolio logic Izba's consultants walk through for international freight (opens in new tab): diverse pricing, real negotiating leverage, and somewhere to go when one relationship hits a snag.

That's not just a risk hedge. It gives you pricing leverage and a fallback the moment a carrier's on-time rate slips or capacity tightens during peak. A single-carrier relationship feels simpler until the day it isn't.

When should you re-run the RFP?

Annually, at minimum, for your core lanes. Re-run it sooner if any of these happen:

• Your volume shifts more than 20% in either direction
• A carrier's service level drops and stays down for more than a quarter
• You're entering a new lane, mode, or market they don't already serve
• Your current rate is up for renewal and you haven't benchmarked the market recently

An RFP isn't a one-time procurement event. It's a recurring check that your carrier mix still matches your actual shipping profile.

FAQ

Should I go through a broker or straight to the carrier? It depends on volume and lane complexity. Brokers add value on lanes where you don't have enough volume to negotiate directly or need capacity flexibility. Going direct usually pays off once you have consistent volume on a lane and want tighter control over service and claims.

What on-time delivery rate should I require? Ask for the carrier's actual performance data, not their target. Best-in-class operations run at 99.5% or better on core metrics like on-time shipments, per the 2025 WERC DC Measures benchmark. Anything consistently in the low 90s is a signal to ask harder questions before you sign.

Do I need a formal RFP for a single new lane? Not always. A full RFP makes sense for your core network or a major renewal. For one new lane, a smaller quote comparison against your existing scorecard criteria is usually enough.