These Manchester-based professional services firms are predominantly large companies, with a significant presence in staffing and recruitment, IT services, and legal practices. Peninsula UK provides employment law, HR, and health & safety services, while NCC Group is a cybersecurity firm advising global organizations. Dals offers interpreting and translation, and BLM is an insurance risk and commercial law firm. Morson Talent is a recruitment firm with 50 years of experience.
The data shows a strong concentration of firms founded between 1998 and 2002, including NCC Group, Dals, ctrg, ECOM, Oscar, and Oliver James. This indicates a period of growth and establishment for professional services in the region around the turn of the millennium.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Peninsula UKpeninsulagrouplimited.com
Provides employment law, HR, and health & safety services, including training, tax, payroll, software, and employee assistance programs to businesses. |
2,888 | |||
| 2 |
NCC Groupnccgroupplc.com
Cybersecurity firm advising global organizations on protecting data and systems, with expertise in assessing, mitigating, and responding to cyber threats Offices worldwide |
2,617 | |||
| 3 |
Dalsdals.co.uk
A leading interpreting and translation agency offering expert language services, including face-to-face and remote interpreting, translation, transcription, and localization |
2,186 | |||
| 4 |
BLMclydeco.com
An insurance risk and commercial law firm helping clients manage risk, resolve disputes, and navigate non-contentious business law with transparency and teamwork |
1,681 | |||
| 5 |
ctrgctrg.co.uk
Challenge trg Group provides multi-service logistics solutions, including temporary staffing, haulage, traction, bespoke training, and crisis management teams for the logistics and warehouse sector |
1,547 | |||
| 6 |
Morson Talentmorson-edge.com
A leading recruitment firm with 50 years of experience, offering innovative solutions and a personal approach across various sectors globally |
1,478 | |||
| 7 | 1,265 | ||||
| 8 | 1,150 | ||||
| 9 |
Fletchers Groupfletcherssolicitors.co.uk
A leading UK law firm specializing in medical negligence, serious injury, motorbike accidents, data breach, and diesel emission claims with 30 yearsβ experience |
1,063 | |||
| 10 |
ECOMmorson-edge.com
Established in a garage in 1999, ECOM is a recruitment agency specializing in Technology, Product, UX & Design, and Data & Analytics positions across various sectors |
1,062 | |||
| 11 | 1,015 | ||||
| 12 |
Slater and Gordon Lawyers (UK)slatergordon.co.uk
Leading UK law firm providing top-tier legal services for over 90 years, specializing in Personal Injury, Employment, Wills, Military, Clinical Negligence, and Family Law |
875 | |||
| 13 |
Oscaroscar-recruit.com
Provides highly-skilled technical and managerial candidates to hundreds of organizations, from corporations to start-ups, across the UK, US, and Europe. |
858 | |||
| 14 |
Morson Vitalmorson-vital.com
Rapidly mobilises expert technical teams and skilled personnel for urgent response and essential upgrades across UK energy, transport and infrastructure sectors. |
826 | |||
| 15 |
Oliver Jamesoliverjames.com
Providing tailored recruitment, staffing, consulting, and outsourcing services across finance, technology, and legal sectors with global reach. |
822 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
JMW Solicitors LLPjmw.co.uk
A leading law firm offering high-quality legal services in corporate and private client work with a focus on practical, cost-effective solutions |
797 | |||
| 17 |
gunnercookegunnercooke.com
An international firm with over 500 legal experts providing valuable legal advice across various sectors, striving to make a positive impact |
733 | |||
| 18 |
Co-op Legal Servicesco-oplegalservices.co.uk
A legal services company offering fixed fee services for family law, will writing, probate, conveyancing, personal injury, and medical negligence claims |
593 | |||
| 19 |
BTG Begbies Traynorbegbies-traynorgroup.com
Professional services consultancy specializing in corporate recovery, restructuring, finance, risk consulting, and forensic investigations with a network of over 50 UK offices Member of BTG Global Advisory |
585 | |||
| 20 |
HAP Recruitmenthapgroup.co.uk
A staffing agency in the UK specializing in providing temporary staff for events, hospitality, and market research, offering recruitment, operational support, and on-site management services |
558 | |||
| 21 |
Anything | Headless CMS expertsanything.agency
A creative digital agency in Manchester, blending bold creativity with tech solutions to help clients stay competitive and ahead of the curve |
538 | |||
| 22 |
Advocate Grouplinktr.ee
Specialists in connecting top talent with consumer product companies through personalized recruitment services, brand advocacy, and innovative marketing strategies |
502 | |||
| 23 |
Meridian Business Supportmeridianbs.co.uk
A staffing solutions company with 30+ UK branches, offering temporary, contract, and permanent staffing across multiple sectors globally |
488 | |||
| 24 | 473 | ||||
| 25 |
GRAYCEgrayce.co.uk
Grayce partners with organizations to deliver change and transformation by developing high-performing talent through their Accelerated Development Programme and proven delivery model |
470 | |||
| 26 |
Morson Projectsmorson-praxis.com
A reputable engineering consultancy with 40+ years experience, providing end-to-end project management, design, and delivery services in various sectors |
399 | |||
| 27 |
Turleyturley.co.uk
Specializing in advisory services for the built environment and more, we collaborate with clients to create thriving places and communities Offering various services for effectiveness |
357 | |||
| 28 |
Morson Groupmorson-group.com
A diverse group providing consultancy, design, technology, screening, training, and people solutions globally with a focus on personalized experiences and innovation |
344 | |||
| 29 |
Eden Brown Synergyedenbrownsynergy.com
A long-standing recruitment consultancy specializing in public sector and non-profit organizations, providing personalized solutions for clients and candidates to make a difference in communities |
308 | |||
| 30 |
Leonard Curtisleonardcurtis.co.uk
A leading professional services provider in the UK, specializing in resolving financial and operational issues for SME owners throughout the business lifecycle |
308 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
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The same list elsewhere in United Kingdom
- Professional services firms in the United Kingdom 2,706
- Professional services firms in Scotland 112
- Professional services firms in London 1,248
- Professional services firms in Leeds 55
- Professional services firms in Edinburgh 43
- Professional services firms in Birmingham 37
- Professional services firms in Glasgow 29
- Professional services firms in Bristol 25