Connected Networks is excited to announce a further expansion of our long-standing partnership with Cato Networks.
Business Internet & Enterprise Connectivity in Sweden
Stockholm handles 55% of total Nordic internet traffic. The city runs on 35+ carriers, 125+ active network providers, and three of the major carrier-neutral data centres — Equinix (hosting Equinix IX, NetNod, and STHIX), Digital Realty (six-DC campus

Stockholm handles 55% of total Nordic internet traffic. The city runs on 35+ carriers, 125+ active network providers, and three of the major carrier-neutral data centres — Equinix (hosting Equinix IX, NetNod, and STHIX), Digital Realty (six-DC campus), and atNorth. AWS, Azure, and Oracle Cloud all have direct on-ramps there. In a region that's becoming a serious competitor to London and Frankfurt for data centre and AI infrastructure investment, Sweden is the centrepiece.
The Connectivity Landscape
Tele2 and Telia are the major enterprise carriers — Telia's network was rated best in Sweden by umlaut in 2025, with enterprise and public sector clients as a key focus. Telenor Sweden reached 3.09 million mobile subscribers in Q4 2025 and decommissioned all 2G/3G by late 2025, with 99.9% 4G/5G population coverage.
Colt deployed a new IQ Network route including dual Stockholm PoPs — up to 400Gb optical wave and 10Gb IP/Ethernet in the Swedish market. As Colt's number one global partner, we deliver into Stockholm's carrier-dense data centre ecosystem via that infrastructure.
Arelion (formerly Telia Carrier) is making significant 2025 investments in Scandinavian network infrastructure for hyperscale data centres and AI — upgrading to 1.6Tbps Waves and 400G coherent optics. Arelion's Falun campus PoP was upgraded to 400G/800G capability in Q3 2025. For high-capacity connectivity and financial services latency requirements, Arelion is our recommendation.
A note on cable security: the C-Lion1 cable (Helsinki-Rostock, passing near Sweden) suffered disruptions in November 2024 and February 2025, both suspected sabotage. The EU has allocated nearly €1 billion for subsea cable protection in the Baltic Sea region (€540M for digital infrastructure). This is live risk context that belongs in resilience planning for Nordic connectivity.
What We Deliver in Sweden
We start with your requirement, not a carrier list. Single circuit or dual? Active/active or active/passive resilience? Is carrier diversity a hard requirement? What's your lead time? Any vendor preferences? Once we understand that, we'll recommend the right 3–5 options for your specific address in Stockholm. Our Nexus platform covers 2.5 billion buildings globally — we know what's serviceable before we make a recommendation. For Nordic clients with requirements across Norway, Denmark, and Finland, we manage the full Nordic footprint as a single regional programme. Lead time: 35 working days via Colt on-net in Stockholm.
Frequently Asked Questions
Which carriers do you use in Sweden?
We don't work from a fixed panel. We qualify your requirement first — resilience model, carrier diversity, whether high-capacity or low-latency is the priority, lead time, vendor preferences — then recommend the right 3–5 carriers for your specific address. Telenor, Arelion and Colt are among the options in Sweden, but carrier selection is driven by your requirement and location.
How long does delivery take?
35 working days via Colt on-net in Stockholm.
What's the cable security situation in the Baltic?
C-Lion1 (Helsinki-Rostock) was disrupted twice in 2024-25, both suspected sabotage. The EU has committed €1B to Baltic subsea cable protection. Resilience planning for Nordic connectivity should account for this risk explicitly.
Can you manage Sweden with Norway, Denmark, and Finland as a single programme?
Yes — Nordic programmes are a standard engagement for us.
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Also in the Nordics: Norway · Denmark · Finland · Iceland
See our full global coverage or learn more about enterprise internet connectivity services.
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