Signals Inbox·September 2, 2026·Horizontal SaaS

Who are top Swedish startups now?

Lovable is Sweden’s clear number-one startup right now, followed by Legora and Neko Health; behind them, Aira, Lassie, Stegra, Tandem Health, Candela, Blykalla and Quartr form a much tighter second group.

Q1Who actually counts as a top Swedish startup now?

The top Swedish startups today are private companies that still have real startup-style growth ahead of them, which currently puts Lovable, Legora and Neko Health at the front of the pack.

That definition immediately removes several names that still dominate older Swedish startup rankings. Klarna has gone public. Einride is public too. Spotify has been listed for years. Northvolt entered bankruptcy proceedings. They remain important Swedish technology companies or ecosystem stories, but including them would answer a different question.

We also should not simply sort private companies by how much money they have raised. Stegra has absorbed billions because building a steel plant is expensive. Quartr has raised a tiny fraction of that amount because software requires much less capital. Funding alone tells us very little about which business is actually strongest.

For this ranking, we looked mainly at what each company has managed to build so far: revenue where it is available, customer adoption, growth speed, successful deployment, repeat usage, financing momentum and how much execution still sits between the company and a real business. Those measures produce a surprisingly clear top group, even though comparing an AI software company with a nuclear startup will always involve some judgment.

Q2Is Sweden really having another startup boom?

Yes, Sweden is having another startup boom right now, although a handful of very large companies are doing much of the work.

Dealroom's latest Sweden data shows about $2.8 billion of venture funding in the first half of 2026 after $3.2 billion across all of 2025. Dealroom projected the current pace at more than $5 billion for the full year. Sweden also accounted for roughly 63.5% of Nordic venture capital in its latest dataset.

The catch is concentration. Around 70% of the money invested across the latest four quarters went into rounds above $100 million. Only 17% went into what Dealroom calls breakout rounds between $15 million and $100 million, while roughly 14% went into smaller startup rounds.

That tells us something useful about the boom. Sweden has several extraordinary companies these days, but we should not read Lovable's valuation or Stegra's financing as proof that every layer of the ecosystem is exploding at the same rate.

There is still a genuine new generation emerging. Lovable was founded in late 2023. Legora was founded in 2023. Tandem Health is only a few years old. Pit has barely started. Neko Health opened its first clinic in 2023. Sweden has managed to produce several globally relevant companies almost simultaneously rather than relying entirely on Spotify, Klarna and the previous generation.

Swedish venture funding snapshot

Q3Is Lovable obviously Sweden's number-one startup?

Yes, Lovable is Sweden's strongest startup right now, and the gap is large enough that putting another company first would be difficult to defend.

Lovable recently raised $400 million at a $13.3 billion valuation. More important than the funding round, the Stockholm AI coding company says it reached roughly $500 million in annualized revenue run rate after passing $400 million earlier in the year.

The speed is what makes Lovable unusual. It reached its first $100 million of annualized revenue within roughly eight months of launch. The company later told TechCrunch that users were creating around one million new projects per week. It now hosts roughly 60 million projects attracting around 900 million monthly visits.

Lovable is also moving beyond the original image of vibe coding as something people use to make experimental websites over a weekend. Enterprise customers disclosed by the company include Workday, Asana and Nvidia, while an expanded Google Cloud agreement involves roughly five times more usage of Google's cloud infrastructure.

There are still reasons to be cautious about the $13.3 billion price tag. Lovable depends heavily on foundation models controlled by companies such as Anthropic and Google, the vibe-coding market changes almost weekly, and annualized run rate can move much faster than mature recurring revenue.

Those risks do not change the ranking. No other private Swedish company currently combines several hundred million dollars of annualized software revenue, this level of user growth and a global product that reached the market less than three years ago.

Q4Can Legora actually catch Lovable?

Yes, Legora could eventually catch Lovable, and legal AI may give Legora a stickier business than vibe coding even though Lovable is much larger today.

The Financial Times recently reported that Legora had reached roughly $150 million in annual recurring revenue, up about 50% during the second quarter alone. Its customer base has also grown to around 1,500 organizations across more than 50 markets.

Those customers include some of the largest legal and professional-services firms in the world. Linklaters, White & Case, Deloitte and other major organizations use Legora for work such as document review, research, due diligence and drafting. Selling deeply into large law firms creates a different type of business from attracting individual developers or entrepreneurs.

The financial trajectory has been almost absurdly fast. Legora crossed $100 million in ARR around the time its Series D extension pushed its valuation to $5.6 billion. Only a few months later, the Financial Times reported early fundraising discussions at more than $10 billion.

We would still keep Legora firmly behind Lovable for now. Lovable is several times larger on disclosed annualized revenue and has already completed the funding round behind its latest valuation. Legora's possible $10 billion-plus round remains a discussion until money actually changes hands.

The harder question comes after the current land grab. Law firms are expensive to acquire, but once thousands of lawyers have embedded a tool into everyday work, removing it becomes painful. Legora has also recorded more than seven consecutive quarters of at least 50% year-on-year ARR growth, according to recent Financial Times reporting. If that continues while customer expansion inside firms remains strong, the gap could close much faster than it appears.

Q5Is Neko Health already a top-three Swedish startup?

Yes, Neko Health belongs in Sweden's top three now because it has shown something much harder than generating health-tech hype: people are paying for the service, coming back and filling new clinics before they open.

Neko Health has now delivered more than 100,000 body scans in Sweden and the UK. More than 350,000 people have either registered or joined its waiting list, according to the company's latest figures.

Repeat behavior is even more convincing. Around 75% of members book and prepay for another scan at the end of their first appointment. That is an unusually strong number for a service people could easily treat as a one-off curiosity.

The next test is happening in the United States. Neko recently announced its first New York clinic with more than 25,000 people already waiting before opening. More locations are planned in New York, Miami, Washington and San Francisco.

Investors are pricing that possibility very aggressively. Neko raised $700 million in its latest round after being valued at $1.8 billion in early 2025. The new round reportedly values the company around $7 billion.

We rank Neko below Lovable and Legora because opening clinics is slower than distributing software. Every new city needs physical space, medical staff, hardware and local operations. Neko cannot suddenly serve another ten million people by adding server capacity.

Still, that physical constraint can become an advantage if the economics work. Neko controls much of the stack itself, including hardware, software and clinical protocols. A large installed network of clinics with returning members would be considerably harder to copy than another AI interface.

Q6Is Aira bigger than most people realize?

Yes, Aira is already one of Sweden's biggest young businesses, even though European heat pumps generate much less startup attention than AI.

Aira disclosed an annual sales run rate of roughly €200 million after expanding into Germany, Italy and the UK. The company only launched commercially in 2023.

Reaching that level in residential heating is considerably harder than reaching it in software. Aira has to manufacture equipment, find customers, finance purchases, organize installation and service products inside people's homes. It has built manufacturing capacity in Poland and R&D operations in Sweden while developing local teams across several European markets.

The company has raised around €393 million of equity and has also arranged substantial debt facilities. That capital requirement lowers Aira's position in our ranking because rapid growth consumes much more cash here than it does at Lovable or Legora.

But the scale is already real. Aira has gone from launch to roughly €200 million in annualized sales in around three years while attacking one of Europe's largest household energy expenses.

The big unanswered question is whether Aira can turn that growth into attractive economics. Heat-pump installation remains operationally messy, national subsidies change and incumbents already have huge distribution networks. For now, though, Aira has done enough commercially to deserve fourth place.

Q7Is Lassie too niche to be a top Swedish startup?

No, Lassie is already too large and too fast-growing to dismiss as a niche pet startup.

The Stockholm pet-insurance company has passed roughly $100 million in annual recurring revenue and had around 250,000 insured pets around the time of its latest major funding round. Germany has already overtaken Sweden as its largest market, with France and the UK extending the company's European footprint.

The $75 million Series C attracted Balderton, Felix Capital, Inventure, Passion Capital and Stena Sessan. Lassie's management said the capital should give the company enough room to reach profitability while continuing its expansion.

The product itself is more revealing. Lassie says roughly 60% of German claims can now be processed end to end by its automated system in about six minutes. Balderton has also reported daily engagement around 25% for Lassie users, far above the single-digit rate it sees for comparable insurance products.

That combination is unusual. Insurance companies normally interact with customers when something has gone wrong. Lassie uses preventive-care content and rewards to create a much more frequent relationship, while automation attacks the claims cost behind the scenes.

A $100 million-plus recurring-revenue business operating across major European insurance markets is already substantial. Lassie ranks fifth for us because the numbers are stronger than its relatively low profile suggests.

Q8Should Stegra still rank this high after its financing scare?

Yes, Stegra still belongs near the top of Sweden's startup ranking, but we have much less confidence in its position than we do with the software companies above it.

Stegra recently closed a €1.4 billion financing package led by a Wallenberg Investments consortium, with support from investors including Temasek, Altor and the company's lender group. That money gives the green-steel company a funded path toward completing and commissioning its Boden plant.

The financing was necessary because the project had entered an uncomfortable phase. Construction activity slowed while Stegra worked on the new capital package, contractors left parts of the site and the completion schedule had to be revisited.

There is substantial physical progress behind the project. Construction had moved well beyond the early civil-works stage, major plant systems were being installed and Stegra had already secured large commercial commitments for future green steel from industrial customers.

Still, producing the first tonne of commercial steel changes everything. Until Stegra completes the plant, starts the hydrogen system, commissions the direct-reduction process and proves reliable output, the company carries a level of execution risk that Lovable, Lassie or Quartr simply do not face.

Northvolt makes that risk impossible to ignore in Sweden. Huge funding, serious customers and technically impressive factories did not guarantee a successful industrial ramp.

Stegra therefore stays sixth. Successful commissioning could move it much higher because the eventual business could dwarf most companies on this list. A major construction or production failure could push it out just as quickly.

Q9Is Tandem Health Sweden's next breakout startup?

Yes, Tandem Health currently looks like the Swedish startup most likely to jump several places in this ranking.

Tandem's AI clinical assistant is now used in more than 5,000 care organizations across Europe. A new Finnish rollout covers Western Uusimaa, where about 7,000 social and healthcare professionals work, giving Tandem another large public-health deployment.

The quality of the evidence has also improved lately. A study carried out with Capio Ramsay Santé and now published in peer-reviewed form examined 236,153 notes from 1,295 clinicians. Clinicians reported documentation time falling from 6.69 minutes to 4.72 minutes per note, a reduction of about 29%.

That is a much stronger argument than another announcement about an AI healthcare pilot. Tandem is being used in ordinary clinical work, across a large number of professionals, and the measured outcome attacks one of healthcare's most obvious administrative problems.

The company has also integrated with more than 100 electronic health-record systems and has pushed beyond basic transcription into coding, visit preparation and other clinical workflows.

What we still lack is the financial disclosure available for Lovable, Legora or Lassie. Tandem does not publicly give us enough revenue data to know how much of its deployment translates into recurring sales.

That uncertainty is why Tandem ranks seventh rather than fourth or fifth. Operationally, however, the company currently has one of the best momentum stories in Swedish tech.

Q10Has Candela finally moved past the cool-demo stage?

Yes, Candela has moved beyond impressive electric-boat demos and is now delivering a real transportation product.

Candela's P-12 electric hydrofoil ferry has already operated in public transport in Stockholm and has been deployed or tested in places including Gothenburg, Oslo and Trondheim. The company says more than 65 vessels are now on order.

That order book is becoming international. Mumbai is preparing a ten-vessel deployment, with Candela claiming that one planned route could cut an airport-to-city trip from roughly two hours to about 35 minutes. Other announced markets include Saudi Arabia, the Maldives and Thailand.

Candela's hydrofoil design is the core reason the economics could work. By lifting most of the hull above the water, the vessel creates much less drag than a conventional ferry. Lower drag means less energy use, which makes battery-powered high-speed passenger transport much more practical.

The company recently raised €30 million, bringing total funding to approximately €129 million. Part of that money is going toward another production facility as Candela tries to move from relatively small batches into repeatable manufacturing.

We still need to see whether dozens of orders become hundreds and eventually thousands. Boat manufacturing has long sales cycles, difficult certification and more operational friction than software.

But Candela now has deployed vessels, paying transport customers and a meaningful order book. Calling it an experimental hydrofoil startup these days undersells how far the company has moved.

Q11Is Blykalla too early for Sweden's top 10?

No, Blykalla has now done enough to enter Sweden's top 10, although almost all of its biggest milestones still sit ahead.

The freshest development makes the case stronger. Blykalla has now applied for Swedish state financing for a second commercial reactor park at Untra in Tierp. The project could contain six to eight SEALER-55 lead-cooled reactors with up to 440 MW of combined capacity.

That follows the company's earlier Norrsundet proposal for six reactors totaling around 330 MW. Taken together, Blykalla is now pursuing Swedish projects representing as much as roughly 770 MW of capacity.

A second application does not suddenly turn those projects into operating nuclear plants. Government support still has to be negotiated, European state-aid rules matter, licensing remains difficult and Blykalla still needs to prove that its reactor technology works commercially.

But the company is progressing through the actual process required to build nuclear assets rather than remaining at the concept stage. It has created dedicated project companies, submitted formal applications and built partnerships with large industrial groups including ABB.

Advanced nuclear startups often spend years announcing future reactors without getting close to a real site. Blykalla currently has two proposed Swedish commercial parks moving through official processes. That is enough for ninth place, but our confidence here remains much lower than for a company already collecting recurring software revenue.

Q12Does Quartr really belong in Sweden's top 10?

Yes, Quartr deserves the final top-10 spot because its business is smaller than most companies above it but unusually healthy for its size.

Quartr sells first-party investor-relations data and tools to financial institutions and technology companies. Swedish filings show revenue jumping from roughly SEK 21 million in 2024 to almost SEK 69 million in 2025, an increase of around 220%.

The company says growth remains above 100% and net revenue retention sits around 120%. An NRR of 120% means the existing customer base is spending roughly 20% more over time before Quartr adds a single new account.

Its customers now include more than 800 enterprises, including hedge funds, asset managers and large technology companies. Quartr recently raised another $18 million from Altos Ventures and SEB.

Compare that with much more heavily funded startups. Quartr has raised relatively little capital, yet revenue has tripled in one reported year and existing customers are expanding their spending.

That does not give Quartr the upside of a successful nuclear reactor or green-steel plant. It gives us something more boring and currently more measurable: rapidly growing software revenue with strong retention. For the tenth spot, we prefer that evidence over a larger funding announcement attached to much less commercial proof.

Q13Is Sweden's startup boom basically a Stockholm boom?

Yes, Sweden's current startup boom is overwhelmingly a Stockholm story.

Dealroom's recent city-level data puts Stockholm several orders of magnitude ahead of Sweden's other main technology hubs in venture funding. The difference is also obvious when we look at the companies themselves: Lovable, Legora, Neko Health, Aira, Lassie, Tandem Health, Candela, Blykalla and Quartr all have major Stockholm roots.

The concentration goes beyond addresses. Stockholm now has several generations of founders and employees recycling experience into new companies. Spotify alumni moved into investing and entrepreneurship. Daniel Ek co-founded Neko Health. Klarna, iZettle and Voi alumni are appearing across the next wave. Pit was recently launched by people who previously built Voi, Klarna and iZettle.

American capital has noticed. TechCrunch recently reported that US investors have been flying into Stockholm specifically to meet the new generation of founders, while firms such as a16z, Menlo Ventures, Benchmark and Lightspeed have backed companies coming out of the city.

The types of companies have changed as well. Stockholm used to be internationally associated mainly with consumer software, fintech, music and gaming. The strongest companies now include legal AI, clinical AI, preventive healthcare, heat pumps, green steel, electric ferries and advanced nuclear power.

That makes the current wave broader technologically while remaining very narrow geographically. Sweden has an impressive national startup reputation, but Stockholm is doing most of the heavy lifting.

Q14Who just misses Sweden's top 10?

Evroc is currently the closest company outside our Swedish top 10, while Moleculent and Pit look particularly interesting at much earlier stages.

Evroc has already moved into one of the most strategically important cloud projects in Sweden. The company is working with the Swedish Armed Forces on the sovereign infrastructure behind SINCC, a next-generation command-and-control platform designed to handle Swedish, NATO and EU-classified workloads. Evroc has also raised more than €50 million to build European cloud and AI infrastructure.

That gives Evroc something most sovereign-cloud startups lack: a serious reference customer using the product for an unusually sensitive workload. We kept it outside the top 10 because public revenue and broader customer-scale data remain thin.

Moleculent is earlier but has a more differentiated scientific bet. The Stockholm life-sciences startup recently raised $20 million to expand in the United States and prepare the commercial launch of technology that maps cell-to-cell communication in tissue. Total funding has reached roughly $46 million. Commercialization is only beginning, so putting it above companies with substantial revenue would be premature.

Pit may move fastest. The enterprise-AI startup launched with a $16 million seed round led by Andreessen Horowitz and a founding team drawn from Voi, Klarna and iZettle. Early customers include companies in mobility, telecom, healthcare and industry. The pedigree and investor interest are exceptional for such a young company, but Pit simply has not existed long enough to show the commercial evidence required for this ranking.

Swedish startups just outside the top 10

Q15So who are the top Swedish startups now?

Lovable is clearly Sweden's number-one startup today, followed by Legora and Neko Health; after those three, the ranking becomes much closer.

Lovable has created the largest commercial outcome in the shortest period. Legora has built one of the fastest-growing legal-software businesses anywhere. Neko Health has shown that a physical preventive-health model can attract more than 100,000 completed visits and strong repeat demand.

Aira and Lassie already have substantial revenue, which puts them ahead of companies whose valuations mainly depend on future execution. Stegra stays high because the scale of the green-steel project is enormous, although we attach much less confidence to that position until the Boden plant actually produces steel.

Tandem Health is the company we would watch most closely for an upward move. Its adoption is accelerating and, as seen above, the evidence behind the product has become much stronger. Candela has crossed into commercial transport deployment. Blykalla has moved two proposed nuclear parks into official Swedish processes. Quartr closes the list with much smaller absolute numbers but some of the cleanest software growth we found.

The ranking will probably change quickly because Sweden currently has an unusual number of companies passing important thresholds at the same time. But based on what the businesses have actually achieved so far, rather than what investors hope they might become, this is the strongest Swedish top 10 we can defend today.

Top Swedish startups now