Supplier portals Large private and semi-public buyers award many contracts not in public but by invitation: to firms registered and qualified in their supplier portal. Nobody outside sees these tenders, TEXFY neither. The way in is registration; here are the pages where it starts.
We checked every page ourselves on 10.11.2026. A registration is no promise: the buyer decides whether and when to invite you. Only the details on its own page are binding. We show only facts, in our own words, and a link to the buyer's page.
21 buyers
Rail and transport SAP Ariba
BLS
Supplier portal SAP Ariba
Access The page does not say whether an invitation is needed
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
SAP Ariba
Die Post
Supplier portal SAP Ariba Netzwerk
Buys according to the page Goods and materials; Construction work; Services
Access The page does not say whether an invitation is needed
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
SAP Ariba
SBB AG
Supplier portal SAP Business Network (Ariba)
Access The page does not say whether an invitation is needed
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
Energy and grids SAP Ariba
Axpo
Supplier portal WeBuy (SAP Ariba); Coupa in einzelnen Divisionen
Access The page does not say whether an invitation is needed
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
SAP Ariba
BKW
Supplier portal SAP Ariba
Access Registration on invitation by purchasing
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
Online form Registration or application on your own initiative
CKW
Supplier portal Online form
Buys according to the page Goods and materials; Services
Access Registration or application on your own initiative
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
SAP Ariba Registration or application on your own initiative
Energie Wasser Bern
Supplier portal SAP Business Network (Ariba)
Access Registration or application on your own initiative
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
Own portal Registration or application on your own initiative
IWB Industrielle Werke Basel
Supplier portal Own portal
Buys according to the page Goods and materials; Construction work; Services
Access Registration or application on your own initiative
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
SAP Ariba
Swissgrid AG
Supplier portal SAP Ariba
Buys according to the page Grid infrastructure
Access The page does not say whether an invitation is needed
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
Telecommunications SAP Ariba Registration or application on your own initiative
Cellnex
Supplier portal SAP Ariba SLP (Anmeldung über ein Formular)
Access Registration or application on your own initiative
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab)
Checked on 10.11.2026
SAP Ariba
Swisscom
Supplier portal SAP Ariba Network
Access Registration on invitation by purchasing
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
Industry and building technology SAP Ariba
Hitachi Energy
Supplier portal SAP Ariba Strategic Sourcing Suite
Access Registration on invitation by purchasing
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
SAP Ariba
Schindler
Supplier portal SAP Ariba
Access The page does not say whether an invitation is needed
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab)
Checked on 10.11.2026
JAGGAER
Siemens Schweiz
Supplier portal SCM STAR (JAGGAER)
Access The page does not say whether an invitation is needed
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab)
Checked on 10.11.2026
Online form Registration or application on your own initiative
Sulzer
Supplier portal Online form
Buys according to the page Goods and materials; Indirect procurement: goods and services outside production; Construction work
Access Registration or application on your own initiative
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab)
Checked on 10.11.2026
Pharma and food Coupa Registration or application on your own initiative
Emmi
Supplier portal Coupa Supplier Portal
Buys according to the page Indirect procurement: goods and services outside production
Access Registration or application on your own initiative
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
SAP Ariba
Novartis
Supplier portal Ariba Network
Access Registration on invitation by purchasing
simap.ch No tender found on simap.ch To the supplier registration(opens in a new tab)
Checked on 10.11.2026
GEP SMART
Roche
Supplier portal myBuy GEP SMART
Buys according to the page Indirect procurement: goods and services outside production
Access Registration on invitation by purchasing
simap.ch Not clearly found on simap.ch To the supplier registration(opens in a new tab)
Checked on 10.11.2026
Real estate and insurance Online form Registration or application on your own initiative
Allianz Suisse
Supplier portal Online form
Buys according to the page Construction work
Access Registration or application on your own initiative
simap.ch Also publishes on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
Online form Registration or application on your own initiative
Livit
Supplier portal Online form (Kontaktformular; Coupa Supplier Portal auf Einladung)
Buys according to the page Trade work
Access Registration or application on your own initiative
simap.ch Not clearly found on simap.ch To the supplier registration(opens in a new tab) Page in German
Checked on 10.11.2026
simap.ch: whether the buyer appeared as contracting authority on simap.ch in the 12 months before the check (search by its name). Who publishes there awards public contracts openly; the others go through the portal.