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The SidebySide Partnership is a venture capital firm based in the United Kingdom, founded by John Bailye. Established to support technology-enabled businesses, the firm focuses on companies transitioning from scale-up to commercial success. SidebySide operates with a concentrated investment strategy, committing to a limited number of companies to ensure each receives adequate capital and guidance.
Currently, the firm manages a portfolio of 12 companies and operates under an EIS fund structure, which provides tax advantages for investors. The firm emphasizes long-term relationships with its portfolio companies, allowing for tailored strategies that align with each company's unique challenges. SidebySide's office is located at 71-75 Shelton Street, Covent Garden, London, United Kingdom.
The SidebySide Partnership invests primarily in fast-growing Consumer Tech and B2B Software companies. Their investment strategy targets firms with revenues between £1 million and £20 million that have already commercialized proven technologies. The firm focuses on companies looking to expand into mainstream and international markets, providing hands-on support and guidance throughout their growth journey.
Investment stages include Seed, Series A, and Series B, with check sizes ranging from £1 million to £2 million. SidebySide's approach contrasts with many venture funds that spread investments across numerous companies, allowing them to provide more focused support and resources to each portfolio company.
The SidebySide Partnership's portfolio includes 12 notable companies, each contributing to the firm's focus on technology-enabled businesses:
John Bailye: Partner, Founding Partner. John has extensive experience in venture capital and has led numerous successful investments in technology-enabled businesses.
Ben Ashworth: Partner. Ben brings a wealth of knowledge in scaling technology companies and has a strong background in investment management.
Matthew Arwynck: Head of Private Clients. Matthew specializes in managing relationships with high-net-worth individuals and institutional investors.
Andrew Irwin: Investment Director. Andrew focuses on sourcing and evaluating new investment opportunities within the firm's target sectors.
Sheli Gupta: Portfolio Company Mentor. Sheli provides mentorship and operational support to portfolio companies, helping them navigate growth challenges.
Boyd Carson: AIF Manager (SidebySide EIS Venture Fund). Boyd oversees the fund's compliance and regulatory requirements.
Beth Collins: Fund Manager (SidebySide EIS Venture Fund). Beth manages the fund's investment strategy and portfolio performance.
Josh Gilbey: Senior Associate. Josh assists in deal sourcing and due diligence processes.
To pitch to The SidebySide Partnership, founders should email their pitch deck to london@thesidebysidepartnership.com. The deck should include a detailed business plan, financial projections, and information about the team. Response times may vary, but founders can expect to hear back within a few weeks.
Warm introductions are preferred, but cold emails are also accepted. It is crucial to clearly articulate the business's value proposition and growth potential in the pitch.
As of March 2026, The SidebySide Partnership continues to operate under an EIS fund structure, managing both the SideBySide EIS Venture Fund and a Later Stage EIS Fund. These funds are designed to support technology-enabled businesses in the UK.
Recent activities include ongoing investments in their existing portfolio companies, although no specific deal announcements have been made public. The firm maintains a focus on providing hands-on support to its portfolio, ensuring they are well-positioned for growth.
What are the investment criteria for The SidebySide Partnership?
The SidebySide Partnership invests in technology-enabled businesses, particularly in the Consumer Tech and B2B Software sectors. They focus on companies with revenues between £1 million and £20 million that have already commercialized proven technologies.
How can I apply or pitch to The SidebySide Partnership?
Founders can pitch by emailing london@thesidebysidepartnership.com. It is advisable to include a detailed business plan and financial projections in the pitch deck.
What makes The SidebySide Partnership different from other venture capital firms?
The firm emphasizes hands-on support and mentorship, investing in a limited number of companies to provide tailored guidance and resources, contrasting with other funds that may spread investments across many companies.
What is the geographic scope of The SidebySide Partnership?
The SidebySide Partnership primarily invests in companies based in the United Kingdom.
What is the typical check size for investments?
The firm typically invests between £1 million and £2 million in each portfolio company.
What kind of post-investment involvement can portfolio companies expect?
Portfolio companies receive hands-on support and mentorship, ensuring they have the guidance needed to navigate growth and expansion into new markets.
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