One Big Circle logo
One Big Circle logo

One Big Circle

onebigcircle.co.uk
onebigcircle.co.uk • HQ: Bristol, United Kingdom • Venture - Series Unknown 2025 • 51-200 employees • Founded 2017 • Startup • New
HQ: Bristol, United Kingdom • Venture - Series Unknown 2025 • 51-200 employees • Founded 2017 • Startup • New
Actively hiring
Transportation & Logistics
Rail Transport
Artificial Intelligence
Follow
Overview
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Latest round
Venture round
Nov 2025 · 11 mo ago
Team
51-200
employees, estimated range
Grants
$1.2M
4 grants · CORDIS
The money's age
Fresh money
11 months since the last round · not hiring
Momentum
20/100
fresh money
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Nov 5, 2025 Raised a round Venture round Oct 1, 2024 Won a grant $37k · CORDIS Oct 1, 2023 Won a grant $500k · CORDIS Oct 1, 2022 Won a grant $314k · CORDIS Sep 2, 2020 Raised a round Venture round Jun 1, 2020 Won a grant $366k · CORDIS Oct 20, 2017 Founded per the company register
Funding rounds
RoundDateAmountInvestorsSource
Venture round Nov 2025 — — find-and-update.company-information.service.gov.uk
Grant Oct 2024 $37k — CORDIS
Grant Oct 2023 $500k — CORDIS
Grant Oct 2022 $314k — CORDIS
Venture round Sep 2020 — — find-and-update.company-information.service.gov.uk
Grant Jun 2020 $366k — CORDIS
Registers and programsofficial lists and records that name the company
Legal entity ONE BIG CIRCLE LTD Companies House
Registered 20 Oct 2017
Investors in similar startupsfunds that back the companies most like this one
Felicis
backs Cedarai
Congruent Ventures
backs Parallel Systems
Spider Capital
backs Cedarai
Aleph
backs Voltify
Shift Invest
backs RazorSecure
Levine Leichtman Capital Partners
backs Regional Rail
Similar startupsby what they do, their industry and backers
CedaraiFounded 2020
Cedar AI builds AI-first technology for the rail industry. Every product configuration runs on ARMS—a single, customizable platform built…
RazorSecureVenture round · 11 mo ago • Founded 2014 • 11-50 employees
Independent rail cyber security specialists. Proven in-service protection for rolling stock, signalling and infrastructure: 3,200+ vehicles…
VoltifyVenture round $22.6M · 7 mo ago • Founded 2023 • 51-200 employees • 1 role
Voltify is building the energy infrastructure for freight rail: battery locomotives, on-route charging, and grid-independent microgrids…
Parallel SystemsVenture round $100M · 4 mo ago • Founded 2020 • 51-200 employees • 15 roles
Parallel Systems is a freight rail technology company headquartered in Los Angeles, California, and founded in 2020 by former SpaceX…
CentiroFounded 2019 • 501-1000 employees • 6 roles
Every delivery moment matter with Centiro. Trusted by leaders to connect carriers, power seamless customer experiences and unlock smarter…
Regional Rail
About Us Locations Burns Harbor Railroad (BHR) Carolina Coastal (CLNA) Cincinnati Eastern Railroad (CCET) Commercial Transload of Minnesota…

Overview

Unlock the future of automated rail monitoring with our pioneering AIVR technology. We deliver AI-driven solutions trusted by leaders like Network Rail.

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Bristol United Kingdom
HQ
50-200 est. staff
7-9 Temple studios Temple Gate, Redcliffe, Bristol, BS1 6QA, UK
company site

Financials

Total raised
$1.2M
Latest round
Venture - Series Unknown
Funding rounds
6
Funding rounds
Round Announced Amount
Venture - Series Unknown 2025 — Details
Grant 2024 $37k Details
Grant 2023 $500k Details
Grant 2022 $314k Details
Venture - Series Unknown 2020 — Details
Grant 2020 $366k Details