Investors / United Kingdom / The SidebySide Partnership
The SidebySide Partnership
Venture capital · London, United Kingdom · Europe
The SidebySide Partnership is a UK technology investor that backs fast-growing Consumer Tech and B2B Software companies with £1-20m in revenue. It takes a concentrated approach, investing in a select few companies at a time and providing hands-on advice alongside capital and follow-on funding.
Invests inFintech
In its own wordsconsumer techb2b softwarescale-upsmarketplacespaymentsuk technology
Your fit with The SidebySide Partnership
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsThe SidebySide Partnership lists 13 checked portfolio companies on its own site. Its largest themes are Fintech (18%), Consumer (14%) and AI & Machine Learning (14%). 63% of its companies are based in United Kingdom. It invests most often alongside Y Combinator, Amino Capital and Antler.
No funding round on record names The SidebySide Partnership yet, so the figures come from its portfolio page.
Round figures show recent activity, not The SidebySide Partnership's whole history. Rounds on record name 0 companies; its own site lists 13. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Fintech | 18% | 12% |
| Consumer | 14% | 3% |
| AI & Machine Learning | 14% | 18% |
| Industrial & Manufacturing | 9% | 7% |
| Education | 9% | 7% |
| E-commerce & Marketplaces | 9% | 6% |
| Real Estate & Construction | 5% | 3% |
| Legal & Compliance | 5% | 2% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Y Combinator | 2 |
| Amino Capital | 1 |
| Antler | 1 |
| Azure Capital Partners | 1 |
| British Business Bank | 1 |
| Cornerstone VC | 1 |
| DG Daiwa Ventures | 1 |
| Emergence Capital | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 30th | 12 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 10th | 18% in its largest sector |
| Reach | 42th | 2 countries |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers13100%
- No longer answers00%
- Points to another company00%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherCompare The SidebySide Partnership head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
13 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Envestors is a UK-based organisation that supports founders and startups with investment and innovation | FintechIndustrial & Manufacturing | Portfolio page | ||
| Harper provides business insurance services, including various types of liability insurance and other coverage options, to different industries | FintechIndustrial & Manufacturing | Portfolio page | ||
| The company created a personal AI agent specialising in household bills | AI & Machine LearningFintech | Portfolio page | ||
| Honest Mobile provides mobile phone services, including SIMs and eSIMs, with features like unlimited calls and texts, and free global roaming. | ConsumerEnterprise Software | Portfolio page | ||
| The company provides laundry and dry cleaning services. | Consumer | Portfolio page | ||
| Native provides precision intelligence and agentic AI to drive growth in traditional trade markets | AI & Machine LearningE-commerce & Marketplaces | Portfolio page | ||
| Oneday provides a learning environment where users can launch their business ideas and earn an MBA with the guidance of renowned mentors | EducationEducation | Portfolio page | ||
| Ryft provides embedded payment solutions for marketplaces and platforms | Fintech | Portfolio page | ||
| The company produces and sells golf watches, rangefinders, and shot tracking technology. | ConsumerGaming | Portfolio page | ||
| Slip is a digital receipts platform that helps brands drive engagement, boost loyalty, and increase revenue through personalised, data-powered experiences. | E-commerce & MarketplacesFintech | Portfolio page | ||
| The Code Company designs and scales intelligent systems | AI & Machine LearningCybersecurity | Portfolio page | ||
| Tonic Health provides a real-time mobile patient intake and contactless check-in platform for patients to fill out surveys, sign consent forms, or make payments | Healthcare & Biotech | Portfolio page | ||
| TravelNest lists properties on multiple booking platforms and manages bookings and payments in one place. | Real Estate & ConstructionLegal & Compliance | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- thesidebysidepartnership.com
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Companies checked
- 13
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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