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Communication you can live inA dedicated channel, the right people in it, and honest response times even when the answer is "we're looking into it."
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Claims recoveryA partner who makes filing easy, documents well, and treats lost and damaged freight as money to win back, not your paperwork.
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Capacity to grow intoAutomation and headroom so doubling your volume is a setup change on their side, not a renegotiation.
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Omnichannel coverageDTC, marketplaces, and retail EDI running through one hub instead of four disconnected setups.
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Contracts and SLAs that favor youMonth-to-month freedom, written service guarantees, and the data to verify them.
I spent an hour recently walking through a 3PL's operation as part of an evaluation I'm running for a brand. We barely talked about price. The rate came up at the very end, almost as an afterthought, and that is exactly the right order.
Price is the easiest thing to compare, so it gets all the attention. It fits in a spreadsheet cell, and a brand can line up three quotes and point at the smallest number. But the rate card is the smallest part of what a good 3PL actually gives you, and most of the rest never makes it into the comparison. This note is about that rest: the things I look for that separate a best-in-class 3PL from a cheap quote.
Communication you can live in
The whole operation ran out of one shared workspace. Each client got a private channel, opened with an onboarding document that doubled as a checklist: the accounts to set up, the automation rules, the inbound plan, the billing details, a go-live meeting, and links to help docs and warehouse points of contact. By the time a brand was live, there was a written record of how everything was supposed to work.
What made the channel strong was who was in it. Not just an account manager, but the founders, operations managers, a client success lead who acts as the escalation point for anything complicated, and receiving staff on the warehouse floor. Response times were honest. A couple of hours was typical, and something that needed real investigation might take a day, but it always got acknowledged first. In my experience the acknowledgment matters more than the speed. "We don't have an answer yet, here's when to expect one" is worth more than silence followed by a fast fix.
The split between remote and on-the-ground staff was deliberate, too. Anything physical, damaged inbound or a unit that needs eyes on it, went to in-person account managers and receiving teams. Remote people handled software configuration, billing, and address holds, the things a computer can solve. A brand never had to wonder whether the person reading the message could actually walk over and look at the pallet. And the strongest signal of all was that they often caught problems first. Damaged inbound got flagged to the brand with photos before the brand knew anything was wrong. Proactive beats responsive every time.
Claims recovery is money brands leave on the table
The part that stuck with me was how they treat carrier claims, because it is a profit-recovery function dressed up as customer service. When a carrier loses or damages a package, that is money the brand is owed, and most brands never collect it.
This partner made filing nearly frictionless. A customer service rep could open a claim from the shared channel with a quick command, the system pulled the order by ID through the carrier API, and the claim landed in a queue with its documentation attached. From there the 3PL batched claims with photos and reason codes, submitted them to the carriers in bulk, and reconciled the responses on a dashboard: filed, won, lost, and why. Over a year that added up to tens of thousands of dollars handed back to brands.
Documentation is the whole game. Win rates climb with evidence, so they gather it deliberately: a photo from the end customer for damage, and for a misdelivery, a screenshot comparing the carrier's proof-of-delivery photo against the actual house on a map. The more complete the case, the higher the recovery. And the number that made the point: they had analyzed more than a million shipments to find which brands were under-filing. Channels with an engaged owner filed around four claims per thousand orders. Disengaged ones filed about one. Same shipping, same loss rate, very different recovery. The brands leaving claims unfiled were quietly eating losses the carrier would have paid back.
So when you evaluate a 3PL, ask what their claims process looks like and what they actually recover. A partner who makes filing easy, documents well, and tells you when you are under-filing is handing you money. One who treats claims as your problem is leaving it on the floor.
Capacity to grow into
Scalability is the question that does not matter until it suddenly does. A 3PL that fits you at 5,000 orders a month can become the thing forcing a painful switch at 20,000, and by then you are paying the full switching cost at the worst possible time.
This one had real headroom. They were running hundreds of thousands of orders a month across two facilities with a relatively small headcount, because the volume rode on automation rather than bodies: bagging machines, conveyor lines with inline and overhead labelers, a sortation system scanning packages into carrier bins, and a couple of warehouse robots. Their labor per shipment was low by design.
What that buys a brand is boring, which is the point. Going from 10,000 to 50,000 parcels a month is a setup change on their side, not a crisis on yours. For a single-unit product already boxed, the flow can be nearly untouched by human hands: a pallet beside a conveyor, a labeler applies the label, sortation routes it to the right carrier. When you evaluate a partner, look past whether they can handle you today and ask whether they can handle the version of you that the next two years are supposed to produce.
One hub, many channels
A brand can start DTC and swear it will stay that way, then a year later it is selling on Amazon, on TikTok, through a wholesale marketplace, and into a big-box retailer. If the 3PL can only really do DTC, every new channel becomes a project or a second vendor.
The setup I liked kept one system as the hub and let everything route through it. Online channels and marketplaces fed into the store platform, and the 3PL integrated with that platform, so adding a channel was usually a connection rather than a rebuild. Retail, which carries much heavier compliance requirements, was handled with dedicated EDI prep software for the big-box accounts. The practical version of the question is not "do you support Amazon." It is "when I add a channel I have not thought of yet, is that a connection or a construction project."
Contracts and SLAs: how you leave, and what you're owed
Two things I read every contract for: how I get out, and what I am owed when service slips.
Exit terms first. The default here was month-to-month, framed plainly: if we do a bad job, leave. That is the posture you want from a partner confident in their own service. I have reviewed the opposite, multi-year contracts with harsh penalties for leaving early, and a long lock-in with teeth should make you ask what it is really protecting. A partner worth staying with does not need to trap you.
SLAs second. There is a difference between how a 3PL operates and what it will put in writing, and both numbers are useful. This one operated same-day on orders placed before a 2pm cutoff and next-day after, seven days a week, but contractually committed to three business days, with pick fees refunded if they missed. That gap is normal and honest: the written SLA is the floor, not the target. The piece brands forget is transparency. An SLA you cannot measure is a promise you cannot enforce, so ask for the performance data, not just the guarantee, and confirm they are hitting the standard rather than taking their word for it.
Carriers: flexibility, and the data to use it
The last point sits right on the line between price and performance. The best operators are not loyal to one or two carriers. They work with anyone who has good rates and let the data decide. Economy carriers can be excellent in close-in zones and rough on the distant ones, especially shipping out of a single location, and a partner with more than one facility can keep more of your volume in the cheap zones.
What that means for a brand is that you are not forced to choose price or performance once and live with it. You get to dial the mix, lean cheap where it holds up, and pull back where it does not, with the partner's own shipment data showing you where that line is. Flexibility plus visibility beats a single low headline rate that quietly degrades on your longest shipments.
The cheapest quote is rarely the cheapest partner
None of this argues for ignoring the rate. It argues for putting the rate in context. A partner a few cents cheaper per package can cost you more across a year if claims go unfiled, if a missed SLA never gets refunded because you could not measure it, or if you outgrow them and pay to switch.
When I compare 3PLs for a brand, the rate card is one input. The rest, communication, claims recovery, capacity, channel coverage, and contract terms, is what decides whether the relationship is still good a year in. That is the comparison worth making, and it is exactly the one that does not fit in a single cell. It is the vetting half of choosing and working with a 3PL, and the half most brands skip.