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Seccl

Can an API-first, FCA-regulated custody and trading infrastructure — backed by Octopus Group's balance sheet and Kraken's migration playbook — become the dominant embedded investment platform layer for UK wealth managers and financial planners?

Founded2016
HQBath, England, United Kingdom
IndustryInfrastructure / BaaS
The story

Seccl was founded as an API-first embedded investment infrastructure provider, offering custody, trading, and payments rails to financial planners, wealth managers, and investment platforms. Acquired by Octopus Group (owner of Octopus Energy and the Kraken technology platform), Seccl has leaned into its parentage to position itself as the scalable, cloud-native back-end for UK investment propositions. The strategic bet is that incumbent custody and platform technology is too legacy-burdened, and that a genuinely API-first, single-instance architecture — combined with direct CREST membership and a strong CASS framework — can displace traditional custodians as the infrastructure layer under a new generation of digital investment platforms.

Last 12 months
2025-07
2025
Product timeline
2016
Seccl Technology Limited incorporated in England.· pivot
2019
Achieved CASS Medium Firm status, establishing regulated custody infrastructure for third-party investment platforms.· banking
2021
Acquired by Octopus Group, becoming the Octopus-owned embedded investment platform.· acquisition
2023
Began annual Deloitte (Big Four) audit of CASS framework; achieved ISO 27001 certification.· banking
2024
Migrated a major book of business onto the platform, citing Kraken-derived migration methodology from sibling company Octopus Energy.· banking
Regulated entities
FCA Authorisation — Custody (arrange, safeguard and administer custody of cash and assets)
UK FCA
Seccl Custody Limited
CASS Medium Firm
UK FCA · 2019
Seccl Custody Limited
The stack
Accounting gap: minor