Diversiview Online - Portfolio Analysis and Optimisation software for retail investors and investment advisors.
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
Portfolio Optimization - Portfolio rebalancing and optimization
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.
ForecastThis - UK based Data Science experts. Forecasting, optimization & insight discovery for any business, and any kind of data.
Elorus - A super-easy online invoicing & time tracking software