The Most Active Seed VCs in London Right Now (and What They Back)

London has more seed funds than any founder can sensibly approach, and many of them look busier on Twitter than they are in their bank account. The firms worth your time are the ones still writing first cheques this quarter, in your sector, at the stage you are actually at. This guide names the seed VCs that are demonstrably active in London right now, explains what each one backs, and shows you how to verify activity yourself before you spend a month chasing a fund that has quietly stopped deploying.

A quick note on numbers. Cheque sizes and fund sizes change constantly, so the ranges below describe how each firm typically operates rather than a fixed figure. Always confirm against the firm’s own site and recent deal announcements before you build a target list. If you want the wider context on London’s startup scene, the rest of Idea London covers funding, hiring and operating in the city.

What “active at seed” actually means

Active is not the same as famous. A fund can have a glittering portfolio and be fully deployed, meaning it has committed nearly all its current fund and is waiting to raise the next one. During that gap it will still take meetings, but it rarely leads. For a founder, that is a slow no dressed up as interest.

Three signals tell you a fund is genuinely deploying. First, recent announced deals: a steady run of new investments over the past six to twelve months, not just follow-on rounds into existing companies. Second, a recently closed fund, because a fund raised in the last two years almost always has capital to put to work. Third, the firm openly states its current stage and cheque range, rather than being vague. Where a firm has just closed a new fund, that is usually the strongest sign of all, and several of the firms below did exactly that recently.

The most active seed VCs in London

These firms are all London-based, all genuinely investing at pre-seed or seed, and each has a distinct view of what it wants to back. Read the focus carefully: pitching a consumer marketplace to a fund that only does B2B software wastes everyone’s time.

LocalGlobe

One of the best-known seed names in the city, LocalGlobe leads pre-seed and seed rounds across a broad range of sectors, with strong representation in fintech, enterprise software, consumer and marketplaces. It is sector-agnostic rather than thematic, and tends to back ambitious founders early. It is closely connected to Seedcamp and to later-stage sister fund Latitude. If your company is software-led with a large potential market, it belongs on your list.

Seedcamp

Seedcamp invests at pre-seed and seed and is deliberately broad: fintech, health, climate, developer tools and marketplaces all feature in its portfolio. It is known for a strong founder network across Europe and for early bets that became household names, including Wise, Revolut and UiPath. It will lead early rounds and follow on into later ones. Good fit for technical founders who value introductions as much as capital.

Episode 1 Ventures

A focused B2B software fund investing at pre-seed and seed in UK-based companies. Episode 1 backs AI, software infrastructure, healthtech, marketplaces and TechBio, and it likes to lead with meaningful ownership and roll its sleeves up afterwards. If you are building software sold to businesses and you are based in the UK, this is one of the more on-thesis funds you can approach.

Connect Ventures

Connect is product-led to its core. It backs B2B and consumer software founders who put product and user experience at the centre of the company, across categories including SaaS, fintech, digital health and the future of work. It leads or co-leads seed rounds and makes a small number of investments each year, so a strong product story matters more here than almost anywhere.

Passion Capital

A long-running London seed firm that recently closed a new fund focused on AI, fintech and enterprise risk. Passion typically writes first cheques into early-stage founders and has an unusually strong fintech track record, with companies such as GoCardless, Tide and Monzo among its bets. If you are building in financial services, payments, risk or AI applied to those areas, it is a natural target.

Hoxton Ventures

Hoxton invests at seed and early Series A and is deliberately anti-thematic: it prioritises founders and breakthrough products over chasing trends. In practice its portfolio leans into AI, deep tech, fintech, health and enterprise software, and it has been notably active in AI and deep tech recently. It is comfortable backing companies with global, often US-facing, ambitions.

Ada Ventures

Ada invests at pre-seed and seed with an explicit thesis around overlooked founders and markets, organised around themes including climate, healthy ageing and economic empowerment. It actively sources beyond the usual London networks. If your company serves an underserved market, or you are a founder type that traditional VC tends to miss, Ada is built for exactly that.

Playfair

Playfair invests exclusively at pre-seed, with a deliberately low-volume, high-conviction style: a small number of new investments a year and heavy post-investment support. It is sector-flexible as long as there is a genuine technology element, and invests across the UK and Europe. Good fit if you are very early and want a lead that goes deep with a handful of companies rather than spraying cheques widely.

Concept Ventures

Concept is a dedicated pre-seed specialist and recently closed a large new fund, positioning it as one of the biggest pre-seed funds in the region. It backs early UK and European tech founders across a broad set of sectors and plans to make a high number of pre-seed investments. If you are at the very first institutional cheque stage, it is one of the most active dedicated funds at that point.

Octopus Ventures

Octopus is one of the largest and most active investors in the UK and Europe, with sector teams covering B2B software, bio, climate, consumer, deep tech, fintech and health. It invests from pre-seed through to later stages, and runs a dedicated pre-seed effort alongside its larger cheques. The sector-team structure means you can often find a partner who lives and breathes your specific area.

Fuel Ventures

Fuel is among the most prolific early-stage investors in the UK, founded by Mark Pearson, and it deploys frequently at pre-seed and seed into software, marketplaces, fintech and e-commerce. It writes a high volume of cheques compared with the more concentrated funds, so it is a realistic target if you want institutional money quickly and your company sits in one of its core categories.

How to tell which VCs are actually active

Do not rely on a fund’s portfolio page; it shows history, not current behaviour. Instead, work from evidence of recent deals. The single best filter is the date of a fund’s last few new investments. A run of fresh deals in the past few months means the fund is deploying; a portfolio that has gone quiet for a year usually means it has not closed a new fund yet.

A founder researching investor activity on a laptop spreadsheet at a desk — Recent deal dates and Companies House filings reveal which funds are genuinely deploying.

In the UK you have an unusually good free data source. Most equity rounds are recorded at Companies House through SH01 share allotment filings, which name the company and the date money came in. Analysts such as Beauhurst build their rankings of the most active VCs from exactly this data, so even without a paid tool you can check a specific fund by looking up companies it claims to have backed and confirming the filings are recent. Pair that with the deal announcements that trade press and the firms themselves publish, and you can sort active from dormant in an afternoon.

Two more practical signals. A newly closed fund, announced via press release or on the firm’s site, is the clearest sign of fresh capital. And new partner hires into a vertical often mean a fund is expanding into that area and looking for deals there. Both are worth tracking on LinkedIn for the specific funds on your shortlist.

How to approach a London seed VC

Warm introductions still beat cold outreach by a wide margin. The best route is a founder the VC has already backed, because a portfolio founder’s recommendation carries more weight than any other. Look at each fund’s portfolio, find a founder whose path overlaps with yours, and ask for a genuine introduction rather than a generic forward.

An informal investor meeting over coffee in a bright London cafe — Warm introductions from portfolio founders remain the strongest route to a meeting.

If you have no warm route, a sharp cold email can still land. Keep it to a few lines: what you do in one sentence, why now, one or two numbers that show traction or insight, and a clear ask. Match the fund’s stated stage and sector before you send. Pitching a Series A-sized company to a strict pre-seed fund, or a hardware company to a software-only fund, gets filed under no within seconds.

Finally, run your raise as a process. Build a target list of fifteen to thirty genuinely active, on-thesis funds, start conversations in roughly the same window so you create momentum, and track every interaction. A concentrated, well-researched process beats months of scattered one-off meetings, and it makes the difference between a competitive round and a slow drift.

Frequently asked questions

How many VCs should I approach when raising a seed round?

A focused list of around fifteen to thirty genuinely active, on-thesis funds is usually enough. Quality and fit matter far more than volume. Approaching two hundred funds, most of which do not invest at your stage or in your sector, mainly generates polite rejections and wasted weeks.

What is the difference between pre-seed and seed in London?

Pre-seed is the first institutional cheque, often before meaningful revenue, used to build the product and prove early demand. Seed comes once there are early signs of traction and the company is ready to grow. Some London funds, such as Playfair and Concept, focus only on pre-seed, while others lead both stages.

Do I need a warm introduction to get a meeting?

No, but it helps a lot. The strongest route is an introduction from a founder the fund has already backed. If you cannot get one, a short, specific, well-targeted cold email aimed at the right partner can still work, especially if you clearly match the fund’s stage and sector.

How do I check whether a VC is genuinely investing right now?

Look at the dates of its most recent new investments, not its overall portfolio. In the UK you can cross-check funding using Companies House share allotment filings, which record when money actually went in. A recently closed fund and a steady run of new deals are the clearest signs a firm is deploying.

Should I target generalist or sector-specialist funds?

Both can work, so match the fund to your company. Specialists such as Episode 1 in B2B software or Passion in fintech bring deep domain knowledge and relevant networks. Generalists such as LocalGlobe or Octopus give you breadth and the option of a partner who happens to know your space well.

What do seed VCs actually look for at the earliest stage?

At pre-seed and seed, with little or no revenue to judge, investors weigh the founders, the size of the opportunity and evidence that you understand the problem better than almost anyone. Early traction helps, but a credible team attacking a large market is what gets a first cheque written.