4SB Mobility

Cover Block

Attribute	Value
Company Name	4SB Mobility
Tagline	Developing secondary, swappable EV batteries and automated battery-swap stations for commercial fleets.
Headquarters	Dundee, United Kingdom
Founded	2022
Stage	Pre-Seed
Business Model	Hardware + Software
Industry	Cleantech / Climatetech
Technology	Hardware
Geography	Western Europe
Growth Profile	Venture Scale
Founding Team	Co-Founders (2)

Links

• Website: https://www.4sbmobility.co.uk/
• LinkedIn: https://www.linkedin.com/company/4sbmobility

The Short Version

4SB Mobility is building a secondary, swappable battery system and automated swap stations for commercial electric vehicle fleets, a hardware-intensive wedge into the growing problem of depot charging congestion and vehicle downtime [4SB Mobility, retrieved 2024]. The company was incorporated in November 2022 and is based at the Michelin Scotland Innovation Parc in Dundee [Companies House, November 2022][LinkedIn, retrieved 2024]. Its core proposition is a two-minute swap that adds up to 90 miles of range, a service the company claims can replace the output of thirty 25kW chargers within a single parking space footprint [4SB Mobility, retrieved 2024].

Founders Adam Bev and Rory Bone are named in public records [F6S, retrieved 2024][LinkedIn, retrieved 2024]. The company's capitalization is not publicly disclosed. Over the next 12-18 months, the key milestones to watch are the transition from seeking trial organizations to securing named fleet pilot partners and the technical validation of its automated station prototype.

Data Accuracy: YELLOW -- Core product claims are from the company's own materials; incorporation and founder names are corroborated by public registries. Funding, team backgrounds, and commercial traction are not independently verified.

Taxonomy Snapshot

Axis	Classification
Stage	Pre-Seed
Business Model	Hardware + Software
Industry / Vertical	Cleantech / Climatetech
Technology Type	Hardware
Geography	Western Europe
Growth Profile	Venture Scale
Founding Team	Co-Founders (2)

The Company in Brief

4SB Mobility was incorporated as a private limited company in the United Kingdom on 16 November 2022 [Companies House, November 2022]. The company operates from the Michelin Scotland Innovation Parc in Dundee, while its registered office is listed in Peebles [4SB Mobility, retrieved 2024]. The founding team, Adam Bev and Rory Bone, have been identified as the individuals behind the company [F6S, retrieved 2024] [LinkedIn, retrieved 2024].

Public milestones are limited to early-stage technology development and initial public engagement. The company's primary public communication outlines a progression from a manual battery swap trolley to a new, fully automated swap station it is now seeking to deploy [4SB Mobility, retrieved 2024]. A visit from the Deputy First Minister of Scotland to the company's Dundee site was documented on the company's LinkedIn channel [LinkedIn, retrieved 2024]. This visit was framed around viewing the company's "Small, Swappable, Solid-State Battery" technology and coincided with efforts to enroll trial organizations for initial swap site deployments.

The company's public narrative positions it as developing "the UK's First Battery Swap Technology" for commercial fleets [4SB Mobility, retrieved 2024]. There is no public record of venture capital funding rounds, named institutional investors, or formal commercial pilot announcements.

Data Accuracy: YELLOW -- Company incorporation and location confirmed by Companies House; founder names and product claims sourced from company materials and a third-party database. No independent press coverage or financial disclosure corroborates operational or funding status.

What They Have Built

The core proposition is a hardware system designed to eliminate the primary operational friction for commercial electric vehicle fleets: extended charging downtime. 4SB Mobility's technology centers on a secondary, swappable battery pack and an automated station to exchange it [4SB Mobility, retrieved 2024]. The system is not positioned as a replacement for overnight depot charging, but as a complementary tool that works alongside existing charging infrastructure to add immediate range during the operational day [4SB Mobility, retrieved 2024].

The swappable battery is said to add up to 90 miles of range, with the swap process itself taking two minutes [4SB Mobility, retrieved 2024]. To address the space constraints common in urban depots, the company states its fully automated swap station fits within a single car parking space. It further quantifies the station's throughput by comparing it to static chargers, claiming it can perform the work of thirty 25kW chargers or fifteen 50kW chargers in one hour [4SB Mobility, retrieved 2024]. The company has shown a progression from a manual swap trolley to its new automated station, which it is now rolling out for commercial fleet trials [4SB Mobility, retrieved 2024].

Data Accuracy: GREEN -- Product claims are consistently detailed across the company's primary website and LinkedIn presence.

Market Size and Demand

The market for commercial electric vehicle infrastructure is expanding under pressure from fleet decarbonization mandates and the operational limitations of depot charging. According to a report cited by the European Automobile Manufacturers' Association (ACEA), the EU will need approximately 279,000 public charging points dedicated to trucks and buses by 2030 to meet its climate goals [ACEA].

Demand drivers for a solution like 4SB Mobility's are well-documented across the cleantech sector. The primary tailwind is regulatory: the UK's commitment to a 2035 ban on the sale of new petrol and diesel cars and vans creates a hard deadline for fleet electrification [UK Government]. Secondary drivers include rising electricity grid constraints at industrial depots and the premium on urban real estate. The company's claim that its single-station footprint replaces the work of thirty 25kW chargers speaks directly to these space and grid capacity pressures [4SB Mobility, retrieved 2024].

The key adjacent market is the established EV charging industry, which serves as both a complementary infrastructure and a primary substitute. For fleet operators, the decision involves comparing the capital expenditure of installing chargers and upgrading grid connections against the operational expenditure of a swap station service. Other substitute markets include hydrogen fuel cells for heavy goods vehicles and maintaining a portion of a fleet on internal combustion engines.

Data Accuracy: YELLOW -- Market sizing is inferred from analogous public reports on EV infrastructure; demand drivers are confirmed by government policy documents.

Who Else Is Fighting for This

4SB Mobility enters a market where the primary alternatives are the established infrastructure and operational models its technology aims to augment or displace.

A competitive map for commercial fleet electrification infrastructure reveals distinct segments. The dominant incumbent is the standard charging infrastructure ecosystem, comprising hardware manufacturers like ABB and Siemens, and network operators like ChargePoint and BP Pulse. In the adjacent segment of battery swapping for commercial vehicles, the landscape includes global players like Ample and Nio Power. A third segment consists of fleet management and energy optimization software providers, such as FlexCharging or Virta, which seek to minimize downtime through smart scheduling.

4SB Mobility's public materials emphasize a system that fits in a single parking space and performs the work of dozens of chargers in an hour [4SB Mobility, retrieved 2024]. This edge is currently perishable, as it is based on unproven deployment at scale and is not protected by visible intellectual property moats or exclusive partnerships. The company is exposed to the capital intensity and execution risk of hardware deployment, and to the risk that fleet operators opt for incremental improvements in charging technology, such as megawatt charging systems (MCS).

The most plausible 18-month scenario sees the competitive landscape clarifying around early pilot results. The winner will be the entity that signs a binding agreement with a named, sizable fleet operator for a multi-site deployment.

Data Accuracy: YELLOW -- Competitive analysis is based on the subject's public claims and general market mapping; specific competitor intelligence and funding details are not corroborated for this company.

Opportunity

If 4SB Mobility can establish its automated battery-swap stations as the default refueling infrastructure for commercial EV fleets, the prize is a capital-efficient, high-utilization network that redefines depot operations and fleet economics. The company's cited wedge targets the core operational constraint for fleet operators: space and grid capacity at the depot [4SB Mobility, retrieved 2024].

Scenario	What happens	Catalyst	Why it's plausible
Depot Density Leader	4SB becomes the exclusive on-site swap provider for a national logistics or delivery fleet.	A pilot with a major last-mile delivery operator proves superior uptime and space savings.	The company is actively enrolling trial organisations for swap sites [LinkedIn, retrieved 2024].
Municipal & Public Transport Partner	The company wins contracts to service municipal bus fleets and council vehicle pools.	A successful trial showcased during the Deputy First Minister of Scotland's site visit leads to a funded public sector pilot program [LinkedIn, retrieved 2024].	Public transport authorities face acute pressure to electrify but struggle with charging downtime.
Technology License to OEMs	4SB licenses its automated swap station design and software to commercial vehicle manufacturers.	A partnership with a commercial van manufacturer to offer 4SB's system as a factory-approved range-extension option.	The technology is a secondary, swappable battery system that works alongside charging [4SB Mobility, retrieved 2024].

Data Accuracy: YELLOW -- The opportunity analysis is based on the company's stated product claims and a single public update regarding a government official visit.

Sources

1. [4SB Mobility, retrieved 2024] Home | 4SB Mobility | Battery Swapping UK | https://www.4sbmobility.co.uk/
2. [Companies House, November 2022] 4SB Mobility Ltd | https://find-and-update.company-information.service.gov.uk/company/SC747449
3. [LinkedIn, retrieved 2024] 4SB Mobility LinkedIn | https://www.linkedin.com/company/4sbmobility
4. [F6S, retrieved 2024] 4SB Mobility - F6S | https://www.f6s.com/company/4sbmobility
5. [ACEA] Electric trucks and buses need 279,000 charging points by 2030, says ACEA | https://www.acea.auto/press-release/electric-trucks-and-buses-need-279000-charging-points-by-2030-says-acea/
6. [UK Government] Government takes historic step towards net-zero with end of sale of new petrol and diesel cars by 2030 | https://www.gov.uk/government/news/government-takes-historic-step-towards-net-zero-with-end-of-sale-of-new-petrol-and-diesel-cars-by-2030
7. [Ample] Ample | https://ample.com/