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Recruitment Companies in Glasgow: 200+ Active Firms (2026)
Recruitment companies in Glasgow place permanent, temporary and contract workers with employers across the city’s labour market.
Hiring managers, HR teams and operations directors tend to be the main buyers, with procurement involved where agency labour or managed workforce arrangements sit across several sites. The Glasgow market splits between permanent search for professional roles, temporary staffing for operational peaks, contract placement for project work, and outsourced workforce administration covering screening, payroll and compliance. Engagements are usually business-to-business and employer-paid, with fees tied either to salary, hours worked or agreed service scopes. Specialist agencies often sell through personal networks and repeat client accounts, while larger staffing operators need more formal vacancy, timesheet and worker-communications workflows.
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Glasgow has 294 actively trading recruitment and staffing companies in this list, a compact local cohort rather than a broad national pool. Reported employment totals 3,759 people, so the visible footprint is not just founder-led consultancies but also temp-labour operators and payroll-heavy staffing businesses. The size distribution remains uneven: 10 companies report turnover above £5M, while 84 have been incorporated since 2022. That mix points to a market with established volume suppliers alongside a sizeable set of newer specialists trying to win employer relationships in Glasgow and wider Scotland.
Employment-agency rules shape the operating model more than a general licence regime. Recruitment agencies and employment businesses must not charge work-seekers for work-finding services, must not withhold payments or wages due, and must give workers a key information document and written terms before work-search activity begins. Temporary staffing carries a sharper cash-flow obligation: the employment business remains responsible for paying workers for hours worked, even where the hirer has not paid or authorised a timesheet. Labour supply into agriculture, horticulture, shellfish gathering and associated processing or packaging can bring the Fair Work Agency gangmaster licensing regime into scope.
Near-term development appears likely to be shaped by client caution, margin pressure in temporary staffing, and the administrative burden attached to worker documentation, screening and payroll. Glasgow agencies with repeat employer accounts tend to have an advantage over generalist start-ups, because candidate reach and timesheet discipline matter as much as sales. The cohort also looks prone to consolidation at the service-line level: compliance-led temp staffing, sector-specialist permanent search and managed workforce administration each reward process control. New entrants may still find room in niche roles, but broad agency models have to justify their margin against direct hiring and internal talent teams.
294
Active firms
2026
10
Above £5M turnover
Larger Glasgow operators
84
Incorporated since 2022
Newer local entrants
Key facts
About 3% of the trading cohort reports turnover above £5M (10 of 294 firms) — the rest sits below that revenue band.
28% of the cohort was incorporated since 2022 (84 firms), so a sizeable share is in its first few filing cycles.
UK recruitment and staffing businesses mainly sit under employment-agency rules rather than a single general operating licence.
The Conduct of Employment Agencies and Employment Businesses Regulations 2003 cover work-finding rules, worker payments and written terms for agencies and employment businesses.
Employment businesses supplying temporary workers must pay for all hours worked, even if the hirer has not paid or authorised a timesheet.
REC puts the recruitment industry’s contribution at £40.6 billion in 2025, equal to 1.6% of UK GVA, with temporary and contract placements accounting for 76.7% of GVA.
A Fair Work Agency gangmaster’s licence can apply where labour is supplied into agriculture, horticulture, shellfish gathering and associated processing or packaging under the Gangmasters (Licensing) Act 2004.
Top Glasgow recruitment companies
CARE RESPONSE 24/7 LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsSupplies social care and healthcare staff to care providers, including support workers and care assistants. Provides temporary, on-call and permanent staffing for shifts ranging from short visits to…
Serves care homes, social care providers, healthcare organisations and individuals in Greater Glasgow needing temporary, on-call or permanent care staff and 24/7 support.
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
Sure Recruitment UK Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides recruitment and workforce supply services for logistics, industrial, warehouse, food and drink production, construction and office roles. Supplies temporary and permanent staff including…
Serves private and public sector employers in Scotland and Northern Ireland, especially food and drink, warehouse, industrial, logistics, transport, construction and office-based organisations…
Financial Health
StrongStrong · Hiring · 10% CAGR over 3y
Location
SITE FORCE GLASGOW LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsSupplies temporary and contract tradespeople and labour to the construction industry. Provides recruitment and labour agency services to contractors, sourcing workers such as trades, labourers and…
Serves construction industry businesses, from national contractors to small family firms, needing trades and labour recruitment support across the UK, with emphasis on Scotland’s central belt.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides healthcare staffing and recruitment services, supplying nurses, carers, support workers, therapists, and domestic staff to healthcare providers. Also offers care at home and complex care…
Serves NHS bodies, Scottish councils and private healthcare providers, plus individuals and families needing care-at-home or complex care support across Scotland.
Financial Health
WeakWeak · Hiring · 15% CAGR over 1y
Location
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides healthcare staffing and recruitment services, supplying nurses, carers, support workers and other professionals to NHS organisations, councils and private providers. Also delivers care at…
Serves NHS bodies, Scottish councils and private healthcare or social care employers, plus individuals and families requiring care at home and complex care services across Scotland.
Financial Health
HealthyHealthy · Hiring · 18% CAGR over 1y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides recruitment and staffing services, connecting workers with short‑term and flexible roles in care, domestic support, and community driving. Supplies temporary staff to organisations such as…
Serves local councils, care homes and other organisations in Glasgow and the West of Scotland needing short-term care, domestic and community driving staff, alongside skilled workers seeking flexible…
Financial Health
StrongStrong · -0% CAGR over 3y
Location
Scotcare At Home Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides nursing and care staffing services, supplying registered nurses and trained carers for hospitals, care homes, prisons and home care. Also delivers complex and palliative care at home,…
Serves hospitals, nursing and care homes, hospices, prisons and custody suites, businesses needing occupational health, and individuals or families requiring at-home nursing or care across Scotland…
Financial Health
StableStable
Location
Clarkson Owens Recruitment Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment services placing permanent, contract, and temporary staff across sectors including construction management, civil engineering, quantity surveying and commercial roles, trades and…
Serves construction, civil engineering, oil and gas/marine, industrial and professional services employers, plus candidates seeking temporary, contract or permanent roles in the UK and…
Financial Health
StableStable · Hiring · 15% CAGR over 4y
Location
Ellis Mack Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides recruitment services for the hospitality sector, placing permanent and temporary staff in hotels, bars and restaurants. Screens candidates, manages shortlists, and supports international…
Serves hospitality employers—hotels, restaurants, bars, leisure groups and venue operators—mainly in Scotland and the North of England, alongside job seekers seeking permanent senior roles or…
Financial Health
WeakWeak · Hiring · 147% CAGR over 2y
Location
Engage Recruit Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment and staffing services, sourcing and placing candidates in permanent and contract roles across sectors including finance, engineering, manufacturing, HR, IT, construction, sales…
Serves businesses hiring across Scotland and wider UK, particularly in finance, administration, design, engineering, HR, manufacturing, procurement, supply chain, sales, marketing, IT, construction,…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
THE SOCIAL CARE COMMUNITY PARTNERSHIP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment and temporary staffing services for the social care and healthcare sectors, supplying support workers, childcare staff, nurses, and community care professionals to organisations…
Serves Scottish local authorities, health boards, care homes and social care organisations needing temporary or flexible nurses, carers, childcare workers and support staff.
Financial Health
StableStable · -70% CAGR over 4y
Location
Oliver Smith Recruitment Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSpecialist recruitment consultancy focused on accountancy and finance roles. Sources and places finance professionals for employers, offering permanent, temporary, and interim recruitment services…
Sells to businesses hiring accountancy and finance staff, including PLCs, privately owned and private equity-backed companies, and to finance professionals seeking permanent, temporary and interim…
Financial Health
WeakWeak · -24% CAGR over 4y
Location
Connect Appointments North East Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides recruitment and staffing services, supplying temporary and permanent workers to employers across sectors including manufacturing, logistics, driving, engineering, administration, cleaning,…
Serves UK employers in manufacturing, logistics, driving, engineering, cleaning, construction, hospitality and office functions, alongside jobseekers seeking roles in these sectors.
Financial Health
StableStable · -18% CAGR over 2y
Location
Nexus Resource Solutions Ltd.
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides technical recruitment services for engineering, manufacturing, construction and M&E sectors. Sources and places temporary and permanent skilled trades and engineering professionals,…
Serves SMEs and multinationals in engineering, manufacturing, machining, fabrication, construction and M&E sectors needing temporary or permanent technical and black-trades staff.
Financial Health
DistressedDistressed · -69% CAGR over 2y
Location
COMPELLO SERVICES GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsHolding company that invests in and manages specialist staffing and recruitment businesses. Group companies provide temporary and permanent recruitment, recruitment process outsourcing, workforce…
Serves startups, global organisations and government agencies in the UK and internationally, particularly across aviation, infrastructure, engineering, energy, banking, finance, consulting,…
Financial Health
StrongStrong
Location
LH LOCUMS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsSupplies locum and permanent healthcare staff to NHS and private healthcare providers, including nurses, doctors, allied health professionals and domestic staff. Provides managed staffing services,…
Sells to NHS organisations and private healthcare providers needing temporary and permanent staff, including nurses, doctors, allied health professionals and domestic workers. Also serves healthcare…
Financial Health
StableStable · 0% CAGR over 4y
Location
The Twenty One Recruitment Group Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides recruitment and job placement services for the construction, engineering and technical sectors, supplying temporary and permanent staff including electricians, engineers, tradespeople and…
Serves construction, engineering and technical employers across England and Scotland seeking temporary contractors or permanent staff, from senior director-level hires to site operatives and skilled…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
CALEDONIA HEALTHCARE LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsRecruits and supplies temporary and contract healthcare staff, including registered nurses, care assistants, support workers and home care assistants, to health and social care providers.
Serves health and social care organisations across Scotland, including care homes and providers supporting people with autism, learning or physical disabilities and mental health needs.
Financial Health
DistressedDistressed · -19% CAGR over 4y
Location
EWS INTERNATIONAL LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
At Work Scotland Recruitment Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides recruitment services placing candidates in temporary and permanent roles. Sources and screens staff including cooks, administrative workers, healthcare assistants, support workers and…
Serves employers across West Central Scotland, including healthcare, social care, day care and business clients needing temporary or permanent cooks, administrators, healthcare assistants, support…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 3y
Location
Ak Recruitment Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment and staffing services, sourcing temporary and permanent workers for sectors including construction, healthcare, office administration, customer service, and driving and logistics…
Serves employers needing recruitment support across construction, healthcare, office staff, customer service and driver roles, alongside candidates seeking vacancies in these sectors.
Financial Health
StableStable · -18% CAGR over 4y
Location
Ably Resources Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides specialist recruitment and staffing services for energy, construction, engineering, IT, and renewables sectors. Also supplies crew management for marine and offshore operations and offers…
Serves employers and project operators in energy, marine, construction, engineering, building services, IT/digital, oilfield services and renewables, including international organisations hiring…
Financial Health
HealthyHealthy · -10% CAGR over 3y
Location
Trajectory
1y · 2025–NowProvides healthcare staffing and recruitment services, supplying nurses, healthcare assistants and senior care workers to healthcare providers for short‑ and long‑term assignments, with candidate…
Serves healthcare and social care providers needing temporary or long-term staffing, including care environments requiring nurses, healthcare workers and senior carers.
Financial Health
Insufficient historyInsufficient history
Location
MCF Tour Support Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides stage and event crew for live entertainment and events, including stage managers, stagehands, pit and stage security, follow spot operators, plant operators and runners, supporting concerts,…
Serves event promoters, concert organisers, venues, production suppliers and public/cultural organisations across Scotland, from small gigs and conferences to festivals and outdoor events.
Financial Health
StableStable · 2% CAGR over 3y
Location
Provides recruitment and staffing services connecting employers with candidates for permanent, temporary, and contract roles. Offers job search support, CV submission, career advice, and recruitment…
Serves jobseekers seeking full-time, part-time, temporary, contract, hybrid or remote roles, and UK employers needing recruitment support across multiple specialisms, including healthcare, call…
Location
Deanston Cooper Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides recruitment services for the construction industry, placing candidates in roles across building, civil engineering, and mechanical and electrical sectors. Sources and screens professionals…
Serves construction employers and jobseekers in Scotland, including building, civil engineering, mechanical and electrical contractors, and candidates in project management, surveying, engineering…
Financial Health
WeakWeak · 0% CAGR over 3y
Location
Tec-Source Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment and staffing services, supplying temporary and permanent technical, professional, and skilled workers. Recruits for roles across sectors including technology, construction, and…
Serves businesses hiring temporary and permanent technical, professional and skilled staff, particularly in the technology, construction and engineering sectors.
Financial Health
StableStable · 0% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides crew support services for film, television, theatre, and live events. Supplies stagehands, set and props crew, AV technicians, and plant operators for production setups, festivals,…
Serves production companies, event organisers, theatres, AV suppliers and cultural organisations needing local crew for film, TV, theatre, festivals, sporting events, exhibitions and live events…
Financial Health
HealthyHealthy · Hiring · 54% CAGR over 4y
Location
Nine Twenty Recruitment Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides recruitment and talent sourcing services for employers and job seekers across sectors including technology, engineering and manufacturing, accountancy and finance, marketing, procurement and…
Serves employers and jobseekers in technology, engineering and manufacturing, accountancy and finance, procurement and supply chain, and marketing and digital, mainly around Glasgow, Edinburgh and…
Financial Health
WeakWeak · -7% CAGR over 2y
Location
TGI RECRUITMENT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment and staffing services for technical, engineering, construction, chemicals and energy sectors. Offers permanent placements, contract and consultancy roles, executive search, and…
Serves employers and professionals in technical, engineering and construction sectors, including chemicals, energy, professional services, construction and property, with international recruitment…
Financial Health
DistressedDistressed · -66% CAGR over 4y
Location
James Gray Recruitment LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment consultancy for construction and engineering sectors, placing permanent and contract professionals in roles such as engineering design, civil engineering, building services, and…
Serves construction and engineering employers hiring permanent or contract staff, plus professionals seeking roles, across UK and US built environment, civil engineering, building services and cost…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
FIRST PEOPLE SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment and staffing services for engineering and technical roles, placing contract and permanent candidates in sectors including aviation, construction, energy, water and utilities,…
Serves employers hiring technical and engineering talent in aviation, construction, water and utilities, science, pharmaceuticals and energy, alongside engineering and technical jobseekers.
Financial Health
StableStable · -69% CAGR over 4y
Location
Ctl Recruitment Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
Network Healthcare Scotland Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Venari Finance Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · Hiring · 26% CAGR over 3y
Location
360 Staffing Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
The Nursing & Healthcare Alliance Limited
Trajectory
3y · 2021–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · Hiring · 19% CAGR over 2y
Location
JENCHEM LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
Gein Solutions Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
ONCALL CARE SERVICE (ABERDEEN) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Anderson Knight Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides recruitment and staffing services, sourcing candidates for permanent, contract, and temporary roles across accountancy, finance, HR, business support, technical, procurement, and executive…
Serves employers and jobseekers in accountancy and finance, HR, business support, technical, procurement and executive roles, including organisations hiring permanent, contract, temporary and hybrid…
Financial Health
WeakWeak · 0% CAGR over 1y
Location
Gibson Recruitment Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable · 0% CAGR over 3y
Location
AI Connect Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
WORLD STAR INTERMEDIARIES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment and resourcing services for technology and digital roles, connecting employers with candidates in areas such as software development, cloud infrastructure, data, project…
Serves tech professionals seeking IT, digital and project management roles, alongside employers, HR and hiring managers looking to hire permanent or contract technology talent across the UK.
Financial Health
StableStable · -72% CAGR over 4y
Location
SPJ RECRUITMENT LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides recruitment services including sourcing, screening and placing candidates for job vacancies across multiple industries. Supports employers with candidate resourcing and selection and offers…
Serves employers needing flexible recruitment support and job seekers seeking roles, CV feedback and career opportunities across various industries.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
Trajectory
2y · 2022–NowFinancial sub-scores
Computed from 2 filingsProvides recruitment and resourcing services for the lending and financial services sectors, including asset finance, banking, fintech and consumer credit. Sources candidates for executive, sales,…
Serves B2B employers across the lending and finance community, including banks, asset finance, invoice finance, motor finance, fintech, automotive, consumer credit and private equity firms hiring at…
Financial Health
StableStable · 0% CAGR over 1y
Location
INHOUSE STEWARDS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides staffing and operational management for events and venues, including event stewards, security personnel, and facilities support. Also offers venue spaces for hire and practical management…
Serves businesses, venue operators and event organisers needing staffing, security, facilities and space management support for events, venues, business premises and shared spaces.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
ABIHEALTH SOLUTIONS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides health and social care services including domiciliary, supported living, complex and live‑in care. Offers virtual primary care consultations and in‑person visits, and supplies clinical…
Serves private patients and care recipients needing home, supported living or virtual healthcare, plus NHS and health and social care organisations requiring clinical staffing, insourcing or remote…
Financial Health
HealthyHealthy · Hiring · 68% CAGR over 4y
Location
The Data Gals Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong · Hiring · 100% CAGR over 1y
Location
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How Glasgow recruitment companies work and how to sell to them
What they do
Recruitment firms earn through employer-paid placement and labour-supply models rather than charging candidates. Permanent search usually converts a vacancy into a success fee, sometimes with a retained element for harder-to-fill roles. Temporary staffing and contract placement are more operational: the agency pays the worker or contractor, invoices the hirer, and keeps a margin between pay rate and bill rate. Managed workforce services add administration around screening, onboarding, payroll, timesheets and compliance, so revenue can look more like an account-management fee layered on top of labour supply. The commercial risk sits in fill rates, worker availability, payment timing and the cost of replacing unsuitable hires.
Who they sell to
Most Glasgow recruitment businesses sell to employers with recurring hiring needs, from owner-managed firms needing a specialist hire to larger organisations using agency labour across several sites. HR and talent teams often shape the brief, but operations managers tend to matter where shifts, cover and project delivery are involved. Finance and procurement become more visible when a client is buying temporary labour, contract workers or managed workforce administration rather than a one-off permanent search. Smaller assignments are often relationship-led and agreed directly with hiring managers; larger accounts tend to involve supplier lists, service terms, rate cards and more formal reviews of compliance, delivery and cost control.
What they buy
Recruitment firms tend to spend on tools and services that help them find candidates, manage vacancies, control worker administration and protect client relationships. Common software categories include applicant tracking, candidate relationship management, job advertising management, payroll, timesheets, billing, document storage, background screening, analytics and client account reporting. Agencies with temporary or contract workers also need accounting support, employment-law advice, insurance, credit control and cash-flow management, because pay obligations can arrive before client payments clear. Marketing spend is usually practical rather than brand-led: search visibility, outbound email, telephone systems, content for niche desks and local employer lead generation all sit close to revenue production.
Why and how to sell to them
Recruitment buyers tend to evaluate suppliers when admin starts to constrain consultant output, when a new temporary staffing desk adds payroll and timesheet exposure, or when a larger client asks for better reporting and audit trails. Compliance can also create buying intent, especially around worker terms, key information documents, right-to-work checks and payment evidence. A credible outbound angle usually links the offer to margin protection: fewer manual errors, faster vacancy-to-fill workflows, cleaner invoicing, better candidate engagement or lower dependence on individual consultants’ inboxes. Messages framed around generic productivity claims are less likely to land than ones tied to placement throughput, cash collection and client retention.
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.
Also in Glasgow
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