Safe Harbour for your Capital.
Institutional Treasury Management & Yield Optimisation for UK Startups & Scale-ups.
The Problem
Founders raise £5m-£20m only to leave it languishing in standard corporate bank accounts. This exposes the business to unnecessary counterparty risk and results in six figures of missed annual yield.
The Solution
Acting as a Fractional Treasurer, Porth Advisory brings institutional-grade execution to the startup ecosystem. We handle the plumbing of cash management so Founders can focus on product. No complex derivatives, no speculation—just efficient, risk-managed execution.
Our Services
Yield & Risk Audit: Quantitative analysis of cash drag vs. market opportunities (MMFs, T-Bills, Term Deposits).
Treasury Policy: Drafting and implementing Board-approved investment mandates balancing Liquidity, Safety, and Yield.
Banking Structure: Diversifying counterparty risk and setting up operational cash flow ladders.
James Barker – Founder
Former BlackRock Fixed Income trader (IG Credit, Rates, EM) and Superyacht Captain. I combine the technical rigour of a CFA with the operational grit of managing high-stakes logistics—helping founders safely optimise their idle cash with institutional discipline.