Business networking site LinkedIn co-founder Reid Hoffman says corporate venturing can be critical for entrepreneurs as long as they avoid over-promising.

Reid Hoffman, serial angel investor and co-founder of business networking site LinkedIn, has warned corporate venturing units to avoid over-selling the amount of support they can give portfolio companies.

However, he said corporations could be "critical" in helping an entrepreneur build a diversified syndicate of investors.

Hoffman, part of a visiting group of US-based technology entrepreneurs, companies and venture capital firms to the UK, said last week that indirect corporate venturing – being a limited partner in independent venture…