We're going to say something most calibration services won't: for the vast majority of shops and fleets, ISO 17025 laboratory accreditation is not necessary — and the premium you pay for it often has little to do with the quality of your calibration.

This isn't a dig at accredited labs. Many of them do excellent work. It's an honest explanation of what accreditation actually is, what it costs, why it matters in some contexts and not others, and how we achieve the same technical outcome at a fraction of the price.

What Accreditation Actually Is

ISO 17025 accreditation is a quality management system certification for testing and calibration laboratories. An accrediting body — like A2LA or NVLAP in the US — audits the laboratory's procedures, documentation, equipment management, personnel training, and facility controls against the ISO 17025 standard.

What accreditation verifies:

What accreditation does NOT verify: That any individual calibration was performed correctly. It verifies that the system around the calibration is documented and audited — not that every single result is right.

What Accreditation Costs — and Who Pays

Achieving and maintaining ISO 17025 accreditation is expensive. Initial accreditation through a body like A2LA typically runs $5,000–$15,000 or more in direct fees alone, plus the cost of consultants, documentation systems, facility upgrades, and staff time. Annual maintenance, surveillance audits, and scope expansions add ongoing costs every year.

Those costs don't disappear — they get passed on to customers. A calibration that costs $30–75 from us costs $150–300+ from an accredited lab performing the identical procedure with equivalent equipment. You're paying for the quality management overhead, not better calibration results.

The "Sticker Mill" Problem

Here's something the industry doesn't talk about enough: accreditation does not prevent bad calibration work.

The calibration industry has a well-known problem with what technicians call "sticker mills" — accredited laboratories that have perfected the paperwork and the audit trail while cutting corners on the actual technical work. Volume-driven labs that prioritize throughput over accuracy. Facilities where the accreditation certificate on the wall has nothing to do with what actually happens when your wrench is on the bench.

Accreditation audits happen on a schedule. The interval between audits is when quality can erode. A facility that looks great during an A2LA audit and processes hundreds of instruments per day between audits may be producing certificates that are technically accredited but practically meaningless.

Accreditation is a quality system audit. It's not a guarantee of quality results. The technician's skill, the calibration equipment's condition, and the rigor of the actual procedure matter far more than a certificate on the wall.

How We Achieve the Same Technical Result

The technical requirements for a valid, traceable calibration are straightforward:

The chain of traceability is identical: your wrench → our reference standard → NIST-traceable lab → NIST. Whether an accredited lab or a non-accredited one performs that calibration, the traceability chain is the same if the reference standards are properly maintained.

Accredited Lab
ISO 17025 quality system ✓
Third-party audited ✓
NIST-traceable standards ✓
Follows ASME B107.300 ✓
$150–300+ per wrench
Ship and wait 1–3 weeks
No field service
Kuna Torque & Tool
Documented procedures ✓
10 years experience ✓
NIST-traceable standards ✓
Follows ASME B107.300 ✓
$30–75 per wrench
Pickup and dropoff, 24 hours
Treasure Valley service area

When You Actually Need Accreditation

We're going to be straight here too: some applications genuinely require accredited calibration. If your quality system contractually requires ISO 17025 certificates — certain aerospace contracts, some OEM supplier agreements, regulated industries where accreditation is a regulatory requirement — then accreditation is the requirement and there's no workaround.

But for the majority of shops, fleets, and facilities:

If you're not sure what your quality system requires, pull out the requirement document and look for the specific language. "Calibrated tools" and "traceable calibration" are not the same as "ISO 17025 accredited calibration." Many quality systems have been interpreted more strictly than the actual requirement states.

The Bottom Line

We don't have accreditation because the overhead of maintaining it would require us to charge prices that don't make sense for our customers — and wouldn't make your wrenches any more accurately calibrated than we already calibrate them.

What we offer: a decade of calibration experience, NIST-traceable reference equipment, ASME B107.300 methodology, documented certificates, and a pickup-and-dropoff model that costs a fraction of what you'd pay to ship tools to an accredited lab and wait two weeks.

If your application requires accreditation, we'll tell you that and you should go get it. For everyone else — the savings are yours.

Honest Calibration. Fair Prices.

NIST-traceable, ASME B107.300 referenced, and back at your shop within 24 hours.

Build a Quote →