Company lists · Data refreshed September 2026
Top 25 Telecommunications systems integration companies based in Sweden
RevenueBase identified 140 telecommunications systems integration companies headquartered in Sweden as of September 2026 and tracks 1,324 professional contacts across them, including 628 with verified work emails. Stockholm is the largest hub.
This list covers telecommunications systems integration companies headquartered in Sweden, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest telecommunications systems integration companies based in Sweden
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 100 contacts → | ||||
Indirect evidence “ApQ är ett installationsföretag med kunskap och erfarenhet inom kraft, el, belysning, tele/data/larm samt elservice.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 64 contacts → | ||||
Indirect evidence “Innovation och teknik som lyser starkare.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 57 contacts → | ||||
Indirect evidence “PLW ska i samverkan med våra kunder utföra projektering, installation och service av kvalificerade tekniska lösningar inom elinstallation, tele, larm, antenn, datateknik och…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 56 contacts → | ||||
Indirect evidence “K4 Elektriska AB är ett av Storstockholms ledande installationsföretag inom kraft, belysning, tele, larm och datainstallationer.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 50 contacts → | ||||
Indirect evidence “Leading IT/Telecom service provider to National and International Clients on both outsource and insource model.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 41 contacts → | ||||
Indirect evidence “Telexia erbjuder allt inom telefoni, körjournaler och IT-lösningar.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 35 contacts → | ||||
Indirect evidence “OCIUSNET GROUP AB is a complete end to end provider for Fiber Network Deployment services, from Business Planning/Consulting, Engineering design to Network Roll-out under full…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 35 contacts → | ||||
Indirect evidence “Elcenter grundades för över 50 år sedan och idag bygger vi vår framgångsrika verksamhet runt vår lojala personal, ett stort engagemang och att ständigt ligga i framkant när det…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 35 contacts → | ||||
Partial evidence “Sea IT acts as partner and System Integrator enabling all your Business and Security needs with a Scalable Total Concept.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 33 contacts → | ||||
Indirect evidence “Välfungerande affärssystem är idag en förutsättning för de flesta företag.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Indirect evidence “Axians – ett internationellt ICT-nätverk Axians är ett internationellt varumärke specialiserat inom ICT – Information and Communication Technology.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 26 contacts → | ||||
Partial evidence “We are a consulting company within Telecommunications and IT technology.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 25 contacts → | ||||
Indirect evidence “Levins - En del av Selatek” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 23 contacts → | ||||
Indirect evidence “Vi är ett kunskapsintensivt företag som startade 1990 som Svagströmsservice, en avknoppning från dåvarande Ericsson.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 22 contacts → | ||||
Indirect evidence “Telehantering grundades 1989 och vår personal har mångårig erfarenhet och stort kunnande inom områdena tele, data och säkerhet.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 21 contacts → | ||||
Partial evidence “TC Connect Sweden AB är en ledande systemintegratör som levererar lösningar för tal- och datakommunikation till professionella användare.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “PMR säljer kundanpassade växelsystem till små och medelstora företag i form av en egen IP-växel samt operatörernas mobila växlar.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 17 contacts → | ||||
Indirect evidence “AT Installation började sin verksamhet 1956 under namnet Antenn- & Teleservice i samband med att TV1 introducerades i Sverige.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Partial evidence “TeleProffs är idag en av Sveriges ledande systemintegratörer inom kommunikationslösningar mot företagsmarknaden.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Indirect evidence “WE CONSULTING REPRESENTS A NEW BREED OF CONSULTING COMPANIES.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Indirect evidence “Blacklink är ett teknikbolag som grundades 2011 i Varberg på Sveriges västkust.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Partial evidence “En integration märks inte när den fungerar.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 contacts → | ||||
Indirect evidence “Om RingUp Eldsjälar i allians.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Strong evidence “yDesign is a service company specialized in providing advanced system solutions to networking and telecommunication customers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 14 contacts → | ||||
Indirect evidence “Vi är en komplett leverantör av kommunikationslösningar inom telefoni, säkerhet och data.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecommunications systems integration companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telecommunications systems integration companies.
- Partial evidence
- Its own public description names part of telecommunications systems integration companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecommunications systems integration companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 140 telecommunications systems integration companies based in Sweden
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 628 reachable decision-makers.
Free signup · no credit card
Telecommunications systems integration companies based in Sweden at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Sweden, so it is reported there. Company counts and contact totals on this page are exact for Sweden, over 140 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecommunications systems integration companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Sweden whose own description of what they do matches “telecommunications systems integration companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecommunications systems integration companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telecommunications systems integration companies, and records with no verified work email. Companies headquartered outside Sweden are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 628 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Telecommunications systems integration companies by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecommunications systems integration companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telecommunications systems integration companies are there based in Sweden?
RevenueBase identified 140 telecommunications systems integration companies headquartered in Sweden as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
APQ EL, headquartered in Malmo, tops this list with the largest team on record.
Which city has the most telecommunications systems integration companies?
Stockholm leads with 29 headquartered companies, followed by Gothenburg (11) and Malmo (10).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 628 verified decision-maker contacts tracked across these 140 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 140 telecommunications systems integration companies based in Sweden. Start with a free account, no credit card.
Download this list →Related lists
Telecommunications systems integration companies by geography
- Telecommunications systems integration companies based in Buenos Aires, Argentina
- Telecommunications systems integration companies based in Brisbane, Australia
- Telecommunications systems integration companies based in Melbourne, Australia
- Telecommunications systems integration companies based in Perth, Australia
- Telecommunications systems integration companies based in Sydney, Australia
- Telecommunications systems integration companies based in Barueri, Brazil
- Telecommunications systems integration companies based in Belo Horizonte, Brazil
- Telecommunications systems integration companies based in Campinas, Brazil
- Telecommunications systems integration companies based in Curitiba, Brazil
- Telecommunications systems integration companies based in Porto Alegre, Brazil
- Telecommunications systems integration companies based in Rio De Janeiro, Brazil
- Telecommunications systems integration companies based in Sao Paulo, Brazil
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Telecommunications systems integration companies based in Buenos Aires, Argentina
- Telecommunications systems integration companies based in Brisbane, Australia
- Telecommunications systems integration companies based in Melbourne, Australia
- Telecommunications systems integration companies based in Perth, Australia
- Telecommunications systems integration companies based in Sydney, Australia
- Telecommunications systems integration companies based in Barueri, Brazil