Investment focus: companies in the information technology, telecommunications and medical equipment industries that have experienced or are now experiencing significant discontinuities.

Investment focus: venture capital and mezzanine investments in communications, information technology, health care/life sciences, special situations/regional opportunities, recapitalizations and management buyouts

Focus: provides early-stage companies with transaction-focused services designed to create partnerships, generate capital and create merger and acquisition opportunities.

Focus: seed and early-stage computer hardware, software, internet and life science companies

Investment focus: early emerging companies in the communications and software technology markets in the U.S. and abroad

Investment focus: majority of initial investments come in the first or second rounds in information technology, with reserves held for follow-on rounds

Focus: early-stage venture capital to the evolving global information economy.

Investment focus: start-up, early stage and emerging-growth companies.

Investment focus: early expansion stage companies already generating revenues.

Investment focus: small and mid-sized sound businesses with established operating histories across a wide range of industries and geographies

Investment focus: capital for growth across all industry sections -- information technology, healthcare and medical and otherwise -- at any stage of development, from early through expansion stage

Focus: unquoted, but tradable shares on the AIM market of early stage growth companies that qualify for personal tax relief under the Enterprise Investment Scheme (EIS).

Investment focus: emerging companies that are developing technologies, products and services within the fuel cell sector.

Clearing house for informal, early-stage, entrepreneurial investment. Based in the UK.

Investment focus: early stages of a company or during a phase of expansion while the company is privately held.