SEIS and EIS Tax Relief Services in London
Are you a startup founder or an investor looking to make the most of SEIS (Seed Enterprise Investment Scheme) or EIS (Enterprise Investment Scheme) opportunities? Our expert London-based team helps you navigate the complexities, claim generous tax reliefs, and ensure full HMRC compliance.
SEIS & EIS Tax Relief Specialists in London
SEIS and EIS are the UK’s most generous reliefs for start-up investment — and the easiest to get wrong. Accountactical guides founders and investors through both schemes end to end: eligibility, advance assurance, HMRC compliance and every relief claim done properly.
- ✓Advance assurance applications prepared and submitted to HMRC
- ✓Support for founders raising funds and investors claiming relief
- ✓Knowledge Intensive Company (KIC) qualification assessed
- ✓Compliance statements and investor certificates handled
SEIS & EIS at a glance
- ✓SEIS: up to 50% income tax relief for early-stage investment
- ✓EIS: up to 30% relief for growth-stage companies
- ✓Shares must be held at least 3 years to keep the relief
The Most Trusted SEIS and EIS Services in London
Advance Assurance
HMRC pre-approval prepared properly, so investors can commit to your raise with confidence.
Scheme Eligibility
We assess whether SEIS, EIS or both fit your company — including KIC status for higher limits.
Income Tax Relief Claims
Upfront relief claimed correctly for investors, with certificates issued on time.
CGT Exemption & Deferral
Capital gains exemptions and EIS deferral relief applied to best effect.
Loss Relief
If an investment underperforms, we calculate and claim the loss relief you’re owed.
Ongoing Compliance
Three-year scheme conditions monitored so reliefs are never accidentally lost.
How SEIS and EIS Support Works
Assess
Eligibility reviewed for your company or investment, including KIC qualification.
Assure
Advance assurance application prepared and submitted to HMRC.
Raise & Invest
Funds raised and used in line with HMRC rules on qualifying business activity.
Claim & Hold
Certificates issued, reliefs claimed and three-year conditions tracked.
Why Choose Our SEIS and EIS Specialists?
- ✓Deep experience with HMRC venture investment schemes
- ✓Trusted by founders and their investors alike
- ✓Plain-English guidance through genuinely complex rules
- ✓Relief claims, deferrals and loss relief calculated precisely
- ✓Serving start-ups and investors across London and beyond
Why advance assurance matters
Most serious investors will not commit without HMRC’s advance assurance in place. We prepare the application properly the first time, so your fundraise is not delayed by avoidable HMRC questions.
What our clients say
“I was completely lost with declaring rental income and expenses. Accountactical guided me step by step, explained everything clearly, and even helped me save money.”
“Dealing with property tax felt overwhelming, but their expert team made it simple. Professional, approachable and accurate. I finally feel confident about compliance.”
“They understand the complexities of UK tax better than anyone. Their tailored advice gave me reassurance and strong financial results without unnecessary stress.”
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View all servicesFrequently asked questions
SEIS supports very early-stage companies and offers investors up to 50% income tax relief; EIS supports growth-stage companies with up to 30% relief. Which scheme fits depends on your company's age, size and funds raised — we assess this for you.
At least three years from issue. Selling earlier, or the company breaching scheme conditions, can claw the relief back — we monitor the conditions so that does not happen.
Funds must be used for qualifying business activity under HMRC rules — typically growth and development. We make sure your spending plans keep the scheme intact.
A company recognised by HMRC for significant research, innovation or intellectual property. KIC status unlocks higher EIS limits — we assess whether you qualify and build it into your raise.
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