Developer Tools Companies in Hull: 105 Active Firms (2026)
Developer tools companies in Hull build software that helps engineering teams write, test, deploy and monitor code across the city region.
Buying centres tend to sit with heads of engineering, platform teams, digital-agency owners and IT managers rather than central procurement. The offer usually has to fit into code repositories, cloud hosting, issue-tracking and deployment processes, so buying cycles are technical and proof-led. Typical engagements look like self-serve subscriptions, modest licence contracts, usage-priced APIs or retained support around self-hosted tooling. In Hull, that points towards micro and small B2B vendors serving regional agencies and technology-led SMEs, with occasional sales into larger IT departments when documentation, security or monitoring needs are narrow enough to justify a specialist tool.
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Hull has 105 actively trading developer tools companies, making this a small-city software cluster rather than a broad enterprise-software base. Reported headcount across the cohort totals 73, so the visible employment footprint is concentrated in owner-managed studios, specialist contractors and small product teams rather than scale-up employers. The commercial pattern fits a local B2B market: narrow tools for agencies, IT departments and technology-led SMEs, with sales likely to depend on technical credibility and repeat usage rather than field-sales reach.
Direct statutory regulation is usually lighter than in customer-facing regulated sectors, but customer due diligence can do much of the disciplining. Tools that touch deployment pipelines, infrastructure automation, application security or monitoring may be reviewed for access controls, audit logs, data-processing terms and incident handling before adoption. Buyers in digital agencies and technology-led SMEs tend to tolerate shorter procurement cycles, while IT departments are more likely to ask for documentation on hosting, support, vulnerability management and reversibility if the tool becomes part of day-to-day engineering workflow.
The cohort appears weighted towards early-commercial and service-adjacent vendors, so evolution is likely to be incremental: sharper integration, narrower workflow focus and more evidence around security practice. Scale-up scarcity may keep many firms close to consulting, support or agency relationships, particularly where a tool solves a local operational problem before becoming a repeatable product. Larger buyers tend to reduce tool sprawl over time, which favours vendors that can justify a distinct role inside the engineering workflow rather than a dashboard to maintain.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
105
Active firms
2026
24
Newer incorporations
Since 2022
0
Above £5M
Annual revenue threshold
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Key facts
22% of the cohort was incorporated since 2022 (24 firms), so a sizeable share is in its first few filing cycles.
Developer-tools suppliers serve engineering and product teams rather than back-office IT buyers, because their software affects versioning, testing, release management and observability.
Hull city region firms in this segment appear to include founder-led software studios, specialist developer-workflow vendors and service-heavy product businesses.
The local market is more useful for mapping supplier density and early commercial traction than for sourcing scaled infrastructure vendors.
Top Hull Developer Tools companies
Financial Health
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Computed from 3 filingsFinancial Health
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DistressedDistressed · 0% CAGR over 4y
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Computed from 5 filingsFinancial Health
HealthyHealthy
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -16% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
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Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Hiring · 26% CAGR over 3y
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
WeakWeak · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
StableStable
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
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Computed from 3 filingsDevelops software tools and services for modernizing legacy business applications and databases. Products enable migration from Btrieve and DataFlex systems to SQL databases, upgrading Crystal…
Serves businesses with legacy Windows, DataFlex, Btrieve/Actian, COBOL or Crystal Reports environments, targeting software teams and IT leaders responsible for application and database modernisation.
Financial Health
DistressedDistressed · -9% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
StableStable · -90% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · Hiring · 19% CAGR over 4y
Location
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Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · -83% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Buy this list of 314 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsFinancial Health
StableStable
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -68% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
StableStable · -90% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -24% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
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The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Buy this list of 314 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial Health
N/AN/A
Location
Buy this list of 314 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
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How Hull Developer Tools companies work and how to sell to them
What they do
Hull developer tools firms usually earn revenue from narrow technical products that sit inside the software delivery chain: testing utilities, deployment helpers, documentation tools, monitoring add-ons, infrastructure scripts or application-security checks. Pricing tends to be subscription, licence, usage-based API billing or retained support for self-hosted installs. Many retain a service-adjacent model, where product revenue is supported by configuration, integration, training or maintenance work. The commercial unit is often a team, repository, project or environment rather than a whole enterprise, so vendors need repeat usage and low-friction onboarding before a buyer treats the tool as part of day-to-day engineering practice.
Who they sell to
Buyers are usually digital agencies, small internal software teams, IT managers and technology-led SMEs that need a specific engineering workflow problem fixed. The economic buyer may be an agency owner, CTO, head of engineering or IT lead, while the users are developers, platform engineers, testers or support staff. Procurement is typically founder-led, direct and proof-led: a technical trial, a small subscription, then expansion if the tool reduces rework or support load. Larger IT departments may introduce security questionnaires, data-processing terms and documentation reviews, but formal RFPs are less common for narrow tools than for broader enterprise platforms.
What they buy
Most Hull developer tools firms tend to spend on the stack needed to build, host, secure and support their own products. That can include cloud hosting, code repositories, test automation, deployment tooling, observability, vulnerability scanning, identity management, product analytics and customer-support systems. As commercial operations mature, they may add CRM, billing, subscription management, finance software, contract support, technical content marketing and specialist recruitment. Service-adjacent firms also buy contractor capacity, design support and accounting help, particularly when client work and product development share the same small team. Sellers should expect pragmatic evaluation: cost, implementation effort and developer acceptance often matter as much as feature breadth.
Why and how to sell to them
Commercial pressure often appears when a developer tools firm moves from bespoke delivery towards a repeatable product, wins a larger customer, adds self-serve billing, or faces a security review before renewal. Common pain points include integration maintenance, support burden, uncertain activation, cloud cost control, documentation gaps and proving value to technical buyers. Outbound works better when it starts with a specific workflow friction rather than a generic growth claim. Useful angles include shortening technical evaluation, reducing manual support, improving auditability, making usage easier to measure, or helping a small team look more credible to IT buyers without adding process for its own sake.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Sources
- Economic Estimates: Digital Sector Annual (2010 to 2024) and Regional (2010 to 2022) Gross Value Added
- Digital Sector GVA was provisionally £177.2 billion in current prices in 2024, accounting for 6.8% of total GVA.
- Digital Sector GVA provisionally increased by an estimated 3.3% between 2023 and 2024 after accounting for inflation.
- 'Computer programming, consultancy and related activities' had a 9.0% increase in GVA from 2023 to 2024 among Digital subsectors.
Also in Hull
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Frequently asked questions
How many developer tools companies are there in Hull?
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What do developer tools companies in Hull actually do?
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