Anresco Laboratories vs Gold Standard Analytics for hemp and cannabis testing
Anresco Laboratories, founded in 1943, runs accredited cannabis, hemp, kratom, food and supplement chemistry from San Francisco, Commerce and Middlesex, with an ANAB scope valid to June 2027 and a general 10-business-day turnaround. It is a deep, credentialed lab. Gold Standard Analytics offers hemp brands a published menu, a guaranteed 5–7 days and a public library.
Anresco Laboratories, San Francisco and Commerce, CA; Middlesex, NJ. anresco.com. Facts checked September 9, 2026.

What Anresco does well
- ANAB AT-1551 San Francisco scope reviewed, expires June 29, 2027.
- Cannabis, hemp, kratom (six-target HPLC-DAD and nine-target LC-MS/MS), food, supplement, allergen and stability breadth.
- Portal with COAs, status and invoices.
- Eighty years of operating history.
Side by side
| Gold Standard Analytics | Anresco Laboratories | |
|---|---|---|
| Location and shipping | Gold Standard AnalyticsHouston, Texas. One laboratory at a published address. Lawful hemp (≤ 0.3% Δ9-THC) ships from any state on the prepaid UPS label we issue. | Anresco LaboratoriesSan Francisco, Commerce and Middlesex. Shipping at your cost. |
| Sample and program fit | Gold Standard AnalyticsLawful hemp flower, extracts, isolates, edibles, tinctures, beverages, topicals, live plant tissue and facility swabs for R&D and quality control. No marijuana or products above the federal hemp limit; no DEA registration. | Anresco LaboratoriesCalifornia compliance, hemp, kratom, food and supplements. |
| Cannabinoid potency | Gold Standard AnalyticsCannabinoid profile from $79 (plant and extract), $119 for finished products, $159 for the extended 18-target profile. UHPLC-UV with LC-MS/MS confirmation on the Agilent 1290 Infinity II and 6490 triple quadrupole. | Anresco LaboratoriesPotency within accredited scope; quote-based. |
| Terpenes and residual solvents | Gold Standard AnalyticsTerpene profile $79, 40 targets by calibrated GC-MS. Residual solvents $99 for 24 targets by headspace GC-MS. | Anresco LaboratoriesTerpenes and solvents; quote-based. |
| Pesticides | Gold Standard AnalyticsPesticide panel from $269 by LC-MS/MS and GC-MS/MS; 125-target panel $309; glyphosate and AMPA $419 by a separate polar method. | Anresco LaboratoriesPanels vary; glyphosate separate; quote-based. |
| Heavy metals | Gold Standard AnalyticsFour-metal panel (As, Cd, Pb, Hg) $149 by ICP-MS on the Agilent 7850 after closed-vessel digestion. | Anresco LaboratoriesPanels vary; quote-based. |
| Microbiology and mycotoxins | Gold Standard AnalyticsBasic microbiology $89, expanded $179, four-species Aspergillus qPCR $79, five-target mycotoxins $69 by LC-MS/MS. | Anresco LaboratoriesMicrobiology; quote-based. |
| Turnaround | Gold Standard AnalyticsStandard 5–7 business days, guaranteed in writing. 48-hour analytical expedite +$59; 24-hour potency +$80. | Anresco LaboratoriesMost analyses 10 business days, microbiology five, per FAQ. No written guarantee. |
| Public results | Gold Standard AnalyticsEvery certificate public and searchable by accession, including failures and retractions; a client cannot remove one. Free JSON, CSV and Atom exports of the whole library. | Anresco LaboratoriesPortal COAs to the client. |
| Chain of custody | Gold Standard AnalyticsEvery package opened on camera, each container photographed and blind-coded before it reaches the bench; footage and photos retained three years and tied to the accession. | Anresco LaboratoriesSample-submission instructions and a client portal; no on-camera receiving, blind coding or footage retention is published. |
| Ordering | Gold Standard AnalyticsSelf-service online intake with a live quote and an instant prepaid label; no account manager or quote form. API, MCP, Telegram and WhatsApp ordering. | Anresco LaboratoriesQuote and portal. |
| Payment | Gold Standard AnalyticsCard, Apple Pay, Google Pay, Klarna, ACH, wire, Mercury invoice with net terms, and any cryptocurrency. | Anresco LaboratoriesNot published; invoiced to the client account. |
| ISO/IEC 17025 and licensing | Gold Standard AnalyticsOperated to ISO/IEC 17025 expectations; not accredited, and we say so on every page. Not a state-licensed cannabis compliance laboratory. | Anresco LaboratoriesANAB ISO/IEC 17025 (AT-1551) at San Francisco to June 2027; other sites separate. |
| Guarantee | Gold Standard AnalyticsMiss the quoted turnaround, or an accredited laboratory materially contradicts our result on a retest of the retained sample, and the panel fee is refunded. | Anresco LaboratoriesNone published. |
Sources: anresco.com; ANAB AT-1551, checked Sep 8 2026.
Published prices
| Test | Gold Standard Analytics | Anresco Laboratories |
|---|---|---|
| Cannabinoid potency, plant or extract | Gold Standard AnalyticsView current pricing | Anresco Laboratories$0 |
| Terpene profile | Gold Standard AnalyticsView current pricing | Anresco Laboratories$0 |
| Pesticide panel | Gold Standard AnalyticsView current pricing | Anresco Laboratories$0 |
| Heavy metals, ICP-MS | Gold Standard Analytics+$169 | Anresco Laboratories$0 |
| Microbiology panel | Gold Standard AnalyticsView current pricing | Anresco Laboratories$0 |
| Full plant quality package | Gold Standard AnalyticsView current pricing | Anresco Laboratories$0 |
Anresco publishes no numeric prices; testing is quoted. Gold Standard prices are the published catalog. A dash means no public price.
Questions about Anresco Laboratories and Gold Standard Analytics
Is Gold Standard Analytics a Anresco alternative?
For hemp and kratom panels, yes: published prices, faster guaranteed turnaround, custody footage and a public library. For accredited food, allergen or California compliance work, Anresco is the deeper choice.
How much does Anresco charge for hemp or cannabis testing?
Anresco quotes per project; no numeric prices are published. Gold Standard publishes every price: cannabinoid profile from $79, terpenes $79, solvents $99, metals $149, pesticides from $269, full plant package $649.
Is Anresco ISO 17025 accredited?
Yes at San Francisco (ANAB AT-1551, valid to June 2027); other locations need separate checks. Gold Standard is not accredited and operates to ISO/IEC 17025 expectations; we state that plainly rather than imply otherwise.
Can I verify a Anresco COA?
COAs are delivered in the client portal; no public lookup was found. Every Gold Standard certificate, including failures, verifies here by accession number and is exported to a public library anyone can download.
Can Gold Standard test state-regulated cannabis like Anresco?
Anresco holds state cannabis testing licenses or certifications in the markets listed on its site, which are required for licensed release testing there. Gold Standard is not a state-licensed cannabis compliance laboratory and holds no DEA registration; we test lawful hemp (≤ 0.3% Δ9-THC) and hemp-derived products for R&D and quality control, from any state by mail.
Where is Anresco located?
San Francisco and Commerce, CA; Middlesex, NJ. Gold Standard is at 5151 Mitchelldale St A10 STE B, Houston, TX 77092, and accepts hemp samples nationwide on a prepaid label.
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Submit a sample
Prepaid domestic label, public certificate, chain-of-custody video. Standard turnaround 5–7 business days.