Monthly roundup · Enterprise Software · September 2026

Enterprise Software startup funding, September 2026: Harvey's $550M Growth leads 22 rounds

By Millionrounds ResearchPublished 1 October 2026Updated 16 October 2026

We read 22 equity rounds in Enterprise Software announced in September 2026, raising $2.0B between them: 6% of all the rounds we read that month and 5% of the money. The largest was Harvey's $550M Growth, led by Lightspeed Venture Partners and Diffusion. The median seed round was $7.0M, against $8.3M over the last twelve months in Enterprise Software; at Series A it was $21M. Insight Partners led the most rounds, with 2.

Equity rounds22in Enterprise Software, 21 with an amount
Raised$2.0Bacross those rounds
Lead named95%of rounds say who led
Share of the month6%of rounds; 5% of the money

The biggest rounds

  1. 1HarveyGrowth · United States · led by Lightspeed Venture Partners, Diffusion$550M
  2. 2IslandSeries F · United States · led by Evolution Equity Partners$400M
  3. 3Snorkel AIGrowth · United States · led by S32, Insight Partners$350M
  4. 4BBrahma AIGrowth · United Kingdom · led by Multiples$150M
  5. 5NNumeralSeries C · United States · led by Insight Partners$100M
  6. 6HHiddenLayerSeries B · United States · led by Delta-v Capital$100M
  7. 7ConfidoSeries B · United States · led by Insight Partners$55M
  8. 8Hang Ten SystemsSeed · led by Xora$53M
  9. 9SciFinSeed · United States · led by Madrona Venture Group, Altimeter$38M
  10. 10FintechOSGrowth · United Kingdom$28M

Day by day

Equity rounds in Enterprise Software announced each day of September. The busiest day was 23 September, with 4.

1 September30 September

By stage, against the year

Each stage's median this month beside its twelve-month median: the sector's own where we hold enough rounds for a benchmark, otherwise the one across all sectors.

Pre-seed2$8.8Mthis month$2.0M12 months, all sectors
Seed5$7.0Mthis month$8.3M12 months here
Series A5$21Mthis month$21M12 months here
Series B2$78Mthis month$49M12 months here
Series C1$100Mthis month$100M12 months, all sectors
Growth5$250Mthis month$113M12 months, all sectors

The most active leads

Firms that led two or more of the month's rounds in Enterprise Software.

Where

United States had the most Enterprise Software rounds this month.

Against the month

  • Rounds, Enterprise Software22
  • Rounds, all sectors357
  • Raised, Enterprise Software$2.0B
  • Raised, all sectors$39B

The whole of September 2026

Other sectors in September

195 roundsAI→51 roundsFintech→39 roundsHealthcare→30 roundsBig Data & Analytics→27 roundsBiotech→25 roundsRobotics→24 roundsCybersecurity→23 roundsHardware & Electronics→21 roundsSoftware→21 roundsEnergy→21 roundsConstruction→20 roundsHealthtech→20 roundsSaaS→19 roundsLogistics→17 roundsManufacturing→16 roundsCleantech→14 roundsAerospace & Space→14 roundsDefence Tech→13 roundsTelecoms→13 roundsSemiconductors→13 roundsClimate Tech→11 roundsAutomotive & EVs→10 roundsCloud→