Twentyone8 Solutions Limited

What Twentyone8 Solutions Limited does

Twentyone8 Solutions Limited (doing business as 218Sol) is a privately held design and development consultancy incorporated in England and Wales in 2014 (Company No. 09148261) and headquartered at 167-169 Great Portland Street in central London. The company describes itself as a "lab for invention" focused exclusively on designing and developing user interfaces using emerging technologies, with a stated mission to deliver intuitive and cost-effective digital experiences. Its primary showcase product is "Sol," a chatbot deployed on the Facebook Messenger platform that functions both as a client engagement interface and a public demonstration of the firm's conversational interface capability.

The company serves businesses and organizations seeking professional UI/UX design and development services, positioning itself as accessible to budget-constrained clients who still require quality output. Its revenue model is professional services: bespoke, project-based engagements priced via direct consultation rather than published tiers, with billing described as multi-year contracts. Go-to-market is direct-to-consumer in character — the website features a contact form, direct email ([email protected]), and a phone number, with no evidence of channel partners, resellers, or marketing automation at scale. No named customers, partnerships, certifications, management team, headcount, funding rounds, or revenue figures are disclosed in available data, which materially limits verification of operational scale.

Beyond the Sol chatbot, no additional products, patents, trademarks, awards, regulatory actions, or strategic transactions (acquisitions, partnerships, leadership changes, or funding rounds) are recorded. The company's technology stack, integrations (limited to Facebook Messenger), and absence of any disclosed APIs or developer documentation indicate a service-oriented boutique rather than a scalable product platform.

Name

Twentyone8 Solutions Limited

Legal name

Twentyone8 Solutions Limited

Website

https://twentyone8.solutions

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Twentyone8 Solutions Limited (218Sol) is a London-based, privately held boutique design and development consultancy that creates custom user interfaces using emerging technologies, most notably its Sol chatbot on Facebook Messenger, serving businesses seeking cost-effective UI/UX design services.

Ownership category

akta.pro rank

Product category

UI/UX Design Services

NAICS

Graphic Design Services (54143), Computer Systems Design Services (541512)

SIC

Services-Computer Programming Services (7371)

akta.pro primary industry

Digital Creative & Experience Design Agencies (Web/App/UX) (MPAAAAAD)

akta.pro secondary industry

Custom Application Development (Web/Mobile/Desktop) (BPAEAFAA)

Keywords

• UI/UX design services
• User interface design
• Conversational AI development
• Interactive application design
• Emerging technology design

Headquarters

HQ city

City Of London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Custom Design and Development Services: The company provides bespoke user interface design and development services, creating custom solutions tailored to client requirements. Projects appear to be quote-based engagements focused on delivering effective and intuitive user interfaces.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Twentyone8 Solutions Limited designs and develops user interfaces and interactive applications using emerging technologies. The company offers bespoke UI/UX design and development services tailored to client requirements, with a focus on creating innovative, intuitive, and cost-effective digital experiences. They also maintain Sol, a proprietary conversational AI chatbot on Facebook Messenger that demonstrates their capabilities in building interactive interfaces.

Product overview

Twentyone8 Solutions Limited operates as a design and development lab specializing in user interface design and development. The company's primary offering is Sol, a chatbot available on Facebook Messenger that provides users with conversational interaction capabilities. The core service focuses on creating innovative, cost-effective, and intuitive user interfaces using emerging technologies. The company positions itself as delivering the 'Wow!' factor in user experiences while maintaining affordable solutions for clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Sol
• Custom UI/UX Design and Development Services

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature1 record

Scale indicators1 record

Recent moves2 records

Expansion highlights2 records

Broad incumbents

• IDEO: Global design consultancy offering UI/UX, product, and service design across industries. Overlaps with Twentyone8's UI focus but operates at far larger scale and broader portfolio.
• Figma: Dominant collaborative design platform increasingly embedding generative UI capabilities. Not a direct competitor in services, but its AI features substitute for portions of bespoke UI design work.
• Fjord (Accenture Song): Design and innovation arm of Accenture Song delivering service and product design at enterprise scale. Comparable capability set but materially larger, embedded inside a global systems integrator.
• Huge: Digital agency providing experience design, brand, and technology services. Similar end-to-end design-and-build offerings but with much greater headcount and global footprint.

Emerging players

• Webflow: Visual web development platform enabling non-developers to build and ship interfaces. Compresses demand for boutique UI/UX services by lowering the barrier to in-house design, particularly for budget-constrained SMBs.

Direct peers

• Thoughtbot: Product design and development consultancy offering custom UI/UX and software builds to SMB and mid-market clients. Similar boutique professional-services model with a comparable cost-conscious client base.
• Fantasy Interactive: Independent digital experience design agency focused on immersive, interactive web and product interfaces. Directly comparable as a boutique studio competing for premium digital experience mandates.
• Instrument: Independent digital product and brand experience studio delivering custom UI/UX and engineering for clients. Comparable boutique scale, project-based engagements, and innovation-led positioning.
• Work & Co: Digital product design and engineering studio that delivers bespoke UI/UX and application builds for brand clients. Comparable in services-led GTM, custom-engagement model, and emphasis on 'wow'-factor end-user experiences.
• ustwo: London-headquartered digital product studio that designs and builds custom interfaces and applications for clients. Closely comparable boutique-to-mid-scale model with a similar product-and-design mix and a UK presence.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks6 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/twentyone8-solutions-limited

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Twentyone8 Solutions Limited