7 Oct 2026 · TrustList Editorial
Polygrade raises $6.3m seed for AI agents that handle warranty claims
The Toronto company, formerly called ProPay, emerges from stealth with two named home warranty customers and plans to move into extended…
4 of 22 investors ranked on evidence in the Q4 2026 edition.
Between them, the 22 best-ranked of these 23 investors cover series a (6), seed stage (6), partners (5) and pre seed (4). They also list work in Silicon Valley, New York City, San Francisco and Los Angeles. 22 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
4 of 22 investors ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.
Positions are fixed for the quarter; the next edition is due in January 2027.

Why #1: Founded 1984, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Risk Management · Also in Berlin
Westminster Capital is a real estate investment manager. It creates and carries out property investment strategies on behalf of private wealth, and it has done so since 1988.
Why #2: Founded 1988, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Mithril Capital Management runs a family of long-term venture capital funds. The funds do not restrict themselves to one sector or one region.
Why #3: Founded 2012, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Series A · Early Stage · Partners · Also in Dublin
ATX Venture Partners is an early-stage venture capital firm based in Austin, Texas.
Why #4: Founded 2014, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Also in Texas and New York City
Advantage Capital Partners is an investment firm that supplies flexible financing to businesses that struggle to find capital.

Seed Stage · Partnership · Healthtech · Also in Doha and Hong Kong
B Capital Group is an investment firm that funds companies from early to late stage. It works across technology, healthcare and energy and resilience, and describes a global focus.

Artificial Intelligence · Healthtech · Biotech · Also in Europe and Africa
Breyer Capital is a venture capital and private equity investor with a global reach.

Also in Austin, Texas and Texas
Camwood Capital is a buy-out firm based in Austin, Texas. It invests in high-quality companies in the lower-middle market and takes a hands-on approach to improving them.

Series A · Seed Stage · Pre Seed
Collective Spark is a venture investor that partners with ambitious technology founders early on.

Artificial Intelligence · Partners · Partnership · Also in Silicon Valley
Cota Capital is an investment firm that works with founders creating what it calls net new technologies. It has spent over a decade helping founders in the enterprise.

Biotech · Also in Shanghai and London
Enterprise Ireland is the Irish government agency responsible for supporting businesses in manufacturing and internationally traded services.

Partners · Partnership · SEO · Also in Zürich and Los Angeles
Expa describes itself as a company studio. It designs, builds and launches new companies and invests in early-stage startups, giving founders practical help alongside funding.

Healthtech · Also in San Francisco and Silicon Valley
HealthQuest Capital is a venture growth investor that puts capital into healthcare companies already selling their products.

Series A · Series
Hinge Capital backs founders across the earliest stages of company building, from friends-and-family and pre-seed rounds through Series A, describing itself as being most useful…

Series A · Seed Stage · Pre Seed
LiveOak Venture Partners is an early-stage venture capital firm based in Austin. It concentrates on founders in Texas who build technology and tech-enabled service companies.

Also in Silicon Valley
Mercury Fund is an early-stage venture capital platform that looks for software startups led by strong founders in communities across the United States.

Series A · Seed Stage · Pre Seed · Also in California and Santa Monica, California
MuckerLab is an accelerator and investor that says it differs from the usual programme.

Series A · Seed Stage · Pre Seed
Quake Capital Partners is a venture capital fund based in the United States with offices across the country and in Europe.

Also in New York and York
Seyen Capital is a venture capital firm based in Chicago. It puts money into information technology, software and telehealth businesses that have moved past the earliest stage of…

Silverton Partners is an early-stage venture capital firm based in Texas.

Risk Management · Partners
Split Rock Partners is a venture capital firm concentrating on software and cloud-based services companies, with healthcare also in its remit.

SEO · Also in Austin, Texas and Texas
Tyson Ventures, LLC is a private investment and advisory firm based in Austin, Texas.
On record: Family-run
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Once a startup is funded, it has to hire. TrustList ranks the offshore firms that add developers and dedicated teams to a startup's own, by country and city.
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7 Oct 2026 · TrustList Editorial
The Toronto company, formerly called ProPay, emerges from stealth with two named home warranty customers and plans to move into extended…
4 Oct 2026 · TrustList Editorial
London-based Promenaut launched on 22 September 2026 with $8.9 million in total funding and HSBC as design partner and strategic investor.…
26 Sept 2026 · TrustList Editorial
Angels, networks, venture funds, corporate and family investors, accelerators, public funders and advisers: who each is, how to reach them…
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