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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesGarageQuartinoJ-SPEC PERFORMANCE SA
J-SPEC PERFORMANCE SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

J-SPEC PERFORMANCE SA specializes in high-performance automotive products and services, particularly in tuning, racing, engine and transmission overhauls, wheel alignment and suspension tuning. It also offers a wide range of products from various manufacturers, including brakes, accessories, clothing and gift cards. The company has a fully equipped workshop and a 4-wheel dynamometer, and offers services such as engine and transmission overhauls, racing and road car builds, as well as brake and suspension tuning.

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Service area

Offering

Products & services

Industry:Garage
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J-SPEC PERFORMANCE SA

✓ Offered12
Car parts and performance accessories
Car parts and performance accessories for brakes, drivetrain, electronics, engine, suspension, wheels, interior, body and fuel systems.
Sport brakes
Brake components and kits, brake calipers, brake pads, brake discs, brake lines, brake fluid, brake cooling and accessories.
Suspension components
Coilover suspension systems, springs, shock absorbers, anti-roll bars, strut braces, steering components, bushings, top mounts and suspension controllers.
Engine and turbocharger parts
Turbochargers, wastegates, blow-off valves, intercoolers, intake and exhaust systems, cooling, lubrication, ignition, engine components and power kits.
Drivetrain components
Clutch kits, gearboxes, differentials, axles, driveshafts, flywheels, bearings and motorsport shift systems.
Electronics and measurement technology
Engine control units, sensors, displays, data logging, wiring, power distribution, boost controllers, keypads and video recording.
Body and aerodynamics parts
Aerodynamics kits, front and rear bumpers, splitters, diffusers, hoods, fenders, doors, roofs, spoilers, vortex generators and lighting.
Fuel systems
Fuel tanks, pumps, filters, fuel injectors, rails, lines, regulators, dampers, surge tanks and accessories.
Interior parts
Seats, seatbelts, steering wheels, gear shift knobs, seat rails, hub adapters, quick-release fasteners and interior trim.
Wheels, tyres and wheel accessories
Wheels, tyres, wheel nuts, wheel studs, spacers, hub-centering rings, valves, wheel bearings and tyre pressure gauges.
Accessories and apparel
Accessories, apparel, CH homologations, tow hooks & straps and gift cards.
Used parts
Used vehicle and performance parts from the shop range.
Trust & reputation

ranQ Trust Score of J-SPEC PERFORMANCE SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

J-SPEC PERFORMANCE SA 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%
J-SPEC PERFORMANCE SA scores 85.5 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.55.07%
J-SPEC PERFORMANCE SA scores 85.0 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).85.022%
J-SPEC PERFORMANCE SA scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

J-SPEC PERFORMANCE SA 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 November 2026.

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

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Location

Via in Paes 78
6572 Quartino

At a glance

Legal form
Corporation
UID
CHE-278.173.998
Founded
2010 · 16 years
Last commercial register change
June 10, 2021
Employees
1 to 10
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

    Active in 1 of 26 cantons · 1 municipality

    • TIGambarogno

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