FirmScope

London directory · 2,908 firms

Boutique tech firms in London

London tech is usually told as a story about startups and the giants that acquire them. In between sits a quieter layer: 2,908 boutique technology firms - data and AI consultancies, fintech builders, cybersecurity specialists, cloud engineering shops and small product studios that run profitable businesses without ever appearing on a jobs board. Each one was checked by hand before it went on this list.

A selection is shown below. The full directory carries a working website and LinkedIn link for every firm, named contacts where the firm publishes one, filters by focus area, and a tracker for running outreach properly.

950
Data & AI
585
Software Development
554
Cybersecurity
542
Fintech

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25 of the 2,908 firms on the list

FirmFocusTeam size
London App DevelopmentSoftware Development51-200
RecorderData & AI51-200
1DigitCybersecurity11-50
1Tech SystemsCybersecurity11-50
2-secCybersecurity11-50
200OK SolutionsData & AI11-50
21 Holdings LtdSoftware Development11-50
3verestCloud & DevOps11-50
88.euSoftware Development11-50
934 LtdFintech11-50
9twoxData & AI11-50
AbbeyCrossFintech11-50
Accentra TechnologiesSoftware Development11-50
ACDSCybersecurity11-50
Acmmos Consultancy Services LtdSoftware Development11-50
AcquiredFintech11-50
Action AppsSoftware Development11-50
Acuity AppliedCybersecurity11-50
Acuity Risk ManagementCloud & DevOps11-50
AdargaCybersecurity11-50
AdfinFintech11-50
Adon TechnologiesSoftware Development11-50
AdoreGames StudioSoftware Development11-50
AdvaiCybersecurity11-50
Advanced Design Technology Ltd.Data & AI11-50

Ordered by team size, then name. Websites, LinkedIn pages, search and filters are in the full directory.

The other 2,883 firms

See the whole list, with working links and contacts

Every firm, verified website and LinkedIn links, named contacts where published, filters, private notes and an outreach tracker. Free account first, no card needed.

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What counts as a boutique tech firm

Small, independent firms whose core business is building or securing technology: data and AI practices, fintech product houses, cybersecurity consultancies, cloud and DevOps engineering teams and software development studios. Most are founder-led and small enough that a junior engineer ships real work in week one.

Big Tech, IT support and managed-service providers, recruitment body shops and marketing agencies with a web team are all left out on purpose. So are the venture-backed names already fighting for attention - this list exists for the firms that never advertise.

Full detail on sourcing and verification is on the methodology page.

Common questions

How many boutique tech firms are there in London?

FirmScope currently tracks 2,908 in London. The number moves as firms launch, merge or wind down, and the database is updated as that happens.

Why target small tech firms instead of Big Tech?

Far fewer applicants per seat and hiring that mostly happens off-cycle. A twenty-person firm adds an engineer when a contract lands, and the seat usually goes to someone who approached them directly rather than to a job ad that was never posted.

Does the list include websites and contacts?

The public page shows names, size and focus. Working website and LinkedIn links, named contacts where the firm publishes one, plus search, filters, notes and an outreach tracker are part of the paid product. A free account previews a small sample.

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