When you Invest in an early-stage business it can be risky. However, the Enterprise Investment Scheme (EIS) offers powerful tax reliefs to encourage investment. For EIS and knowledge-intensive companies are even more favourable.These businesses qualify for enhanced limits and extended eligibility, making them particularly attractive to experienced investors, angel investors, and venture capital firms.
This guide explains what knowledge-intensive companies are, how EIS tax relief works, and why this structure is popular with investors in UK start-ups.

What are ‘Knowledge Intensive’ companies?
Knowledge Intensive Companies are those that focus heavily on innovation, intellectual property, or research and development. Consequently, these companies must meet specific criteria to qualify. To qualify as knowledge intensive a company must:
EIS and Knowledge Intensive Companies: Key Points for Investors
Compared to standard EIS investments, knowledge-intensive companies benefit from more flexible rules:
These changes allow investors to deploy larger sums into innovative businesses that require longer development periods before achieving profitability.
Reasons why Knowledge Intensive Companies Attract Top EIS Investors
EIS investing combines tax efficiency with growth potential.
Investors benefit from:
Knowledge-intensive companies are particularly appealing because they often operate in fast-moving markets with significant scalability.
As a result, EIS knowledge-intensive companies regularly attract:
The combination of innovation, tax relief and growth potential creates a compelling risk-adjusted investment opportunity.
Should You Invest in EIS Knowledge-Intensive Companies?
If you are:
Then EIS knowledge-intensive companies may be well worth considering. Additionally, Founders can also benefit by accessing larger funding rounds and a wider pool of experienced investors.
Summary
The Enterprise Investment Scheme plays a vital role in funding UK innovation.
For investors, knowledge-intensive companies offer enhanced EIS tax relief, higher investment limits, and access to high-growth industries.
For businesses, the structure makes raising capital easier and more attractive to sophisticated investors.
Understanding how EIS and knowledge-intensive company rules work can unlock significant financial and strategic advantages for both founders and investors.
For more useful information, check out our Ebooks here.
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