Tomas M. Krogh.
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Investor Profile

JLL Spark.

PropTechConTechWorkplace Tech

Editorial Perspective

JLL Spark is the corporate venture arm of JLL—$340M+ deployed across 40+ PropTech startups since 2018. They run a dual strategy: Pull (strategic requirements from JLL business lines) and Push (identifying disruptors). This means your startup needs to solve a problem that JLL's commercial RE services actually face—building operations, tenant experience, transaction tech, sustainability compliance. Concrete VC is their appointed EMEA investment advisor, creating a funnel from Concrete's portfolio into JLL's client base. Best fit for B2B SaaS founders who can survive a corporate pilot process and whose product enhances JLL's service offerings. Not for consumer or residential plays.

Investment Profile.

Check Size

£1.0M–£10.0M

Active Fund Vintage

2024

Investment Stages

Seed, Series A

Headquarters

London, UK

Investment Strategy.

The complete funding journey. This firm focuses on stages highlighted below.

Pre-Seed

$10K–$1M

Stage Focus

Proof of concept / Prototype

Growth Elements

  • Hiring
  • Product development
  • Early validation

Seed

$500K–$3M

Stage Focus

Product-market fit

Growth Elements

  • Hiring
  • Product iteration
  • Initial traction

Series A

$5M–$15M

Stage Focus

Revenue growth & scale

Growth Elements

  • Hiring
  • Development
  • Operations
  • Branding & Marketing

Series B

$15M–$50M

Stage Focus

Growth & expansion

Growth Elements

  • Hiring
  • Market expansion
  • M&A exploration

Series C

$50M–$200M+

Stage Focus

Large-scale expansion

Growth Elements

  • International markets
  • Acquisitions
  • Scale operations

Check Size for This Fund

£1.0M–£10.0M

Typical check size across all stages. Size may vary by stage and fund vintage.

Notable Portfolio.

OpenSpace

CasaOne

Orbital Witness

HqO

Recent Activity.

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$340M+ deployed across 40+ startups

-

Strategic portfolio alignment restructure (2024)

Investment Team.

Yishai Lerner

Managing Partner

Board Seats

OpenSpaceHqO
Tomas M. Krogh - Fractional commercial advisor

Tomas M. Krogh

Fractional Chief Commercial Officer

I specialize in taking founder-led commercial engines apart until only the parts that work are left standing. Before advising, I operated-scaling a business from zero to the FT1000 list three years running and facilitating 10 billion DKK in property transactions. I don't write polite advisory decks; I give you the exact commercial reality check you need before an investment committee does it for you.

Commercial intelligence last verified on 21 April 2026. Public deal activity sourced via Crunchbase/Dealroom.

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