← Company directory

Later stage / growth

Big Health

Prescription digital therapeutics (sleep & mental health — Sleepio/Daylight)

VerifiedSeries CLondon (dual HQ with San Francisco — flagged as ambiguous vs. UK-HQ scope)
Companies House
06780612
GLEIF LEI
Not matched
Latest evidence
2022-01-01
Evidence snapshot
2026-08-25
Funding signal1

Dated disclosed rounds · latest 2022-01-01

Procurement signal0

Exact award notices · latest No exact award match

Registry observationMatched

2026-08-01

Regional contextLondon

Jun 2026

Signals organise dated evidence; they do not score growth, revenue, creditworthiness or investment performance.

Evidence timeline

3 dated observations

Funding, procurement, registry and identifier records are placed on one chronology. Each row says whether it is a source fact, a record observation or reference metadata; no inferred event is inserted.

  1. RegistryRecord observation

    Status observed: Active

    Snapshot evidence only; this row does not claim the status changed on this date.

  2. RegistryRegistry fact

    Company incorporated

    BIG HEALTH LTD · company 06780612

Latest disclosed round

Series C

Date
2022-01-01
Amount
USD 75m
Sector
Healthtech & digital health
Companies House
06780612
ONS region
London

Evidence status

Directory ready

Identity
Verified
Match
High — exact company number and aligned registered name
Operating status
active
Data origins
Core directory, Growth Network, Live Chris T D1

Capital network

8 linked investors

Lead, participant, lender and other retained roles remain distinct where the source supports them. Every relationship below names its source layer, observation date, match method and publication state.

InvestorRoleDateSourceMatch / state
SoftBank Vision Fund 2lead2022-01-01Finsmes ↗ · Bighealth ↗reviewed canonical company and investor alias resolutionsource-linked · published
ArrowMark Partnersparticipant2022-01-01Finsmes ↗ · Bighealth ↗reviewed canonical company and investor alias resolutionsource-linked · published
Gilde Healthcareparticipant2022-01-01Finsmes ↗ · Bighealth ↗reviewed canonical company and investor alias resolutionsource-linked · published
Index Venturesparticipant2026-08-25Indexventures ↗reviewed canonical company and investor alias resolutionsource-linked · published
Kaiser Permanente Venturesparticipant2022-01-01Finsmes ↗ · Bighealth ↗reviewed canonical company and investor alias resolutionsource-linked · published
Molten Venturesparticipant2026-08-25Moltenventures ↗reviewed canonical company and investor alias resolutionsource-linked · published
Morningside Venturesparticipant2022-01-01Finsmes ↗ · Bighealth ↗reviewed canonical company and investor alias resolutionsource-linked · published
Octopus Venturesparticipant2022-01-01Finsmes ↗ · Bighealth ↗ · Octopusventures ↗reviewed canonical company and investor alias resolutionsource-linked · published

Funding record

1 disclosed round

Open a dated round to move directly between the company, named investors and source publication.

Companies House status and filing snapshot

BIG HEALTH LTD

Exact company-number match from the public register. The retained status is active. Filing dates and SIC codes are registry context, not a credit or investment-quality assessment.

Registered record

Status
Active
Company type
Private Limited Company
Country of origin
United Kingdom
Incorporated
2008-12-29
Dissolved
Not applicable
Company number
06780612

Filing context

Accounts category
GROUP
Accounts made up to
2024-12-31
Next accounts due
2026-09-30
Confirmation made up to
2025-12-22
Registry snapshot
2026-08-01
Live check
Bulk snapshot only

Former registered names: SLEEPIO LIMITED

62012Business and domestic software development

SourceCompanies HouseDate2026-08-01Matchexact Companies House numberStatepublished projection

Traceability

Source trail

Funding and investor claims retain named public-source links. This is a dated research snapshot, not a live cap table.