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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMedical Technology IndustryZurichCovalX AG
CovalX AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of CovalX AG is the development and provision of technologies and services for the analysis of proteins and protein interactions, particularly through mass spectrometry. The focus is on the characterization of therapeutic proteins and providing solutions for the pharmaceutical industry and academic laboratories.

AI-generated
Offering

Products & services

Industry:Medical Technology Industry
✓ Offered9
Epitope Mapping Service (HDX-MS/XL-MS)
Epitope mapping for antibodies and protein-protein interactions using HDX-MS and XL-MS, including sample QC with High-Mass MALDI MS plus peptide maps, contact maps and an analytical report.
De Novo Sequencing
Reference-free protein and antibody sequencing by MS/MS with multi-enzyme digestion, nano-LC-MS/MS, PTM and glycan profiling, plus QC with High-Mass MALDI MS.
mAb Characterization
Comprehensive antibody characterization with high-resolution LC-MS, intact MALDI-MS, PMF sequence verification, PTM, disulfide, glycan, aggregation and interaction analyses.
Protein Interaction Analysis
Analysis of intact protein complexes with High-Mass MALDI MS and chemical cross-linking to determine complex stoichiometry, binding partners and non-covalent interactions.
Immunoprecipitation Mass Spectrometry (IP-MS)
IP-MS for target identification, mechanism-of-action studies and biomarker discovery, with antibody pulldown, nano-LC-MS/MS, protein interaction lists and an analytical report.
Biophysical Testing
Biophysical characterization of proteins and antibodies with DSC, circular dichroism, FTIR and UV-Vis to assess structure, thermal stability and conformation.
Host Cell Protein Analysis
Host cell protein analysis by mass spectrometry to identify and quantify HCP impurities in biotherapeutics and support purity and quality assessment.
Affinity Analysis (SPR/BLI)
Label-free binding and kinetic analysis with SPR and BLI for lead selection, epitope binning, batch comparison and biosimilarity assessment.
Disulfide Bond Mapping
Disulfide bond analysis for recombinant and purified proteins, with intact mass analysis, peptide mapping, DTT reduction and identification of free or mispaired cysteine residues.
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4.1/5

CovalX AG

Trust & reputation

ranQ Trust Score of CovalX AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

CovalX AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
CovalX AG scores 92.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
CovalX AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
CovalX AG scores 40.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CovalX AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Mühlebachstrasse 14
8008 Zurich

At a glance

Legal form
Corporation
UID
CHE-112.640.000
Founded
2005 · 21 years
Last commercial register change
October 29, 2025
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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