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Investors / United Kingdom / The SidebySide Partnership / Co-investors

The SidebySide Partnership co-investors

Who invests alongside The SidebySide Partnership · Venture capital · London, United Kingdom

The SidebySide Partnership shares at least one checked portfolio company with 34 other investors. It backs companies most often with Y Combinator (2), Amino Capital (1) and Antler (1), and 62% of its 13 checked companies have another investor VCinfo tracks.

34co-investors
8companies backed with another investorof 13 checked
62%of its portfolio is co-backed
Y Combinatormost frequent co-investor2 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
42 shared companies29 shared companies26 shared companies23 shared companies17 shared companies12 shared companies10 shared companies9 shared companies6 shared companies6 shared companies4 shared companies4 shared companies3 shared companies3 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companiesY Combinator: 2 shared companiesY Combinator2Amino Capital: 1 shared companiesAmino Capital1Antler: 1 shared companiesAntler1Azure Capital Partners: 1 shared companiesAzure Capital Partners1British Business Bank: 1 shared companiesBritish Business Bank1Cornerstone VC: 1 shared companiesCornerstone VC1DG Daiwa Ventures: 1 shared companiesDG Daiwa Ventures1Emergence Capital: 1 shared companiesEmergence Capital1Fellows Fund: 1 shared companiesFellows Fund1Frontline: 1 shared companiesFrontline1Gresham House Ventures: 1 shared companiesGresham House Ventures1Haatch: 1 shared companiesHaatch1Index Ventures: 1 shared companiesIndex Ventures1Lobster Capital: 1 shared companiesLobster Capital1
Shared portfolio companies with The SidebySide PartnershipFirms that also back companies together

Circle size is the number of companies shared with The SidebySide Partnership; a line joins two co-investors that back at least two companies together.

All co-investors

ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Y CombinatorAccelerator · United States2Compare · Its co-investors
2Amino CapitalVenture capital · United States1Compare · Its co-investors
3AntlerVenture capital · Saudi Arabia1Compare · Its co-investors
4Azure Capital PartnersVenture capital · United States1Compare · Its co-investors
5British Business BankUnited Kingdom1Compare · Its co-investors
6Cornerstone VCVenture capital · United Kingdom1Compare · Its co-investors
7DG Daiwa VenturesVenture capital · Japan1Compare · Its co-investors
8Emergence CapitalVenture capital · United States1Compare · Its co-investors
9Fellows FundVenture capital · United States1Compare · Its co-investors
10FrontlineVenture capital · United Kingdom1Compare · Its co-investors
11Gresham House VenturesVenture capital · United Kingdom1Compare · Its co-investors
12HaatchVenture capital · United Kingdom1Compare · Its co-investors
13Index VenturesVenture capital · United States1Compare · Its co-investors
14Lobster CapitalVenture capital · United States1Compare · Its co-investors
15Lynett CapitalVenture capital · United States1Compare · Its co-investors
16M25Venture capital · United States1Compare · Its co-investors
17Mangrove Capital PartnersVenture capital · Luxembourg1Compare · Its co-investors
18Old College CapitalCorporate VC · United Kingdom1Compare · Its co-investors
19Olive Tree CapitalVenture capital1Compare · Its co-investors
20Optimist VenturesVenture capital1Compare · Its co-investors
21Outset CapitalVenture capital1Compare · Its co-investors
22Outward VCVenture capital · United Kingdom1Compare · Its co-investors
23Peak XV PartnersVenture capital · India1Compare · Its co-investors
24Pembroke VCTVenture capital · United Kingdom1Compare · Its co-investors
25Phosphor CapitalVenture capital1Compare · Its co-investors
26Playfair CapitalVenture capital · United Kingdom1Compare · Its co-investors
27Rice CapitalVenture capital1Compare · Its co-investors
28Scottish National Investment BankUnited Kingdom1Compare · Its co-investors
29Social StartsVenture capital · United States1Compare · Its co-investors
30SpringboardAccelerator · United States1Compare · Its co-investors
31TMT Investmentstmtinvestments.com1Compare · Its co-investors
32UpHonest CapitalVenture capital · United States1Compare · Its co-investors
33Vesta VenturesVenture capital · United States1Compare · Its co-investors
34Victorum CapitalVenture capital · United States1Compare · Its co-investors
Take this list with you. GET /v1/firms/thesidebysidepartnership.com/coinvestors returns the ranked list as JSON for a CRM, a sheet or an AI agent: 25 firms a call on the free plan, 100 on Pro.
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A co-investor is a firm whose own portfolio page lists a company that The SidebySide Partnership's page lists too, both checked against the company's site. It shows who backs the same companies, not who joined the same round. How the data is graded

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VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/thesidebysidepartnership.com/coinvestors

# also
GET /v1/firms/thesidebysidepartnership.com
GET /v1/firms/thesidebysidepartnership.com/portfolio
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