These Scottish companies primarily operate in environmental services, utilities, and local government administration. The list includes large public sector bodies such as North Lanarkshire Council, providing education and social work, and Scottish Water, responsible for drinking water and wastewater. Mid-sized firms like WGM Engineering Ltd offer mechanical and electrical solutions, while EDS specializes in disinfection services.
A notable pattern is the significant presence of local government authorities, with North Lanarkshire Council, Falkirk Council, and North Ayrshire Council among the largest employers. Many of these public sector entities, including the Scottish Environment Protection Agency, were founded around 1996, indicating a common period of administrative restructuring.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
North Lanarkshire Councilnorthlanarkshire.gov.uk
Local authority in west-central Scotland providing services such as education, social work, housing, and environmental services to various communities in the region |
3,893 | |||
| 2 |
Scottish Waterscottishwater.co.uk
Providing high-quality drinking water and safely returning wastewater to the environment across communities throughout Scotland every day. |
3,115 | |||
| 3 |
Falkirk Councilfalkirk.gov.uk
Local government authority in Scotland formed in 1996, encompassing areas previously part of Stirlingshire and West Lothian, bordering other council areas |
2,487 | |||
| 4 |
North Ayrshire Councilnorth-ayrshire.gov.uk
Local authority providing governance, community services, and support to towns and islands within North Ayrshire, Scotland, including social media engagement. |
2,094 | |||
| 5 |
Midlothian Councilmidlothian.gov.uk
Local government providing public services and administration for Midlothian area, neighboring Edinburgh, East Lothian, and Scottish Borders. |
1,461 | |||
| 6 |
West Dunbartonshire Councilwest-dunbarton.gov.uk
Local government providing community services, infrastructure development, education, housing, and economic regeneration to support residents and businesses. |
1,433 | |||
| 7 |
East Dunbartonshire Councileastdunbarton.gov.uk
Local government providing education, housing, community safety, health, and environmental services to enhance quality of life and community wellbeing. |
1,245 | |||
| 8 |
Scottish Environment Protection Agencybeta.sepa.scot
Protects and improves environment, advises on environmental responsibilities, regulates activities, monitors land, water, air quality, responds to emergencies, provides public warning systems. |
899 | |||
| 9 |
Last Milelastmile.co.uk
Designing, building, and operating essential utilities infrastructure in Great Britain to provide access to heat, power, water, and wastewater services every day |
689 | |||
| 10 |
WGM Engineering Ltdwgmengineering.co.uk
A Glasgow-based family business offering safe and sustainable engineering solutions including mechanical, electrical, civil engineering, renewable energy, project management, and more |
440 | |||
| 11 |
EDSelitedisinfection.com
Specialist disinfection and decontamination services provider based in Aberdeen, Scotland, offering services throughout the UK |
409 | |||
| 12 |
Comhairle Nan Eilean Siarcne-siar.gov.uk
Provision of local government services including emergency contacts, fault reporting, food safety, refuse collection, and public enquiries management. |
338 | |||
| 13 |
Centurion Groupcenturiongroup.co.uk
A global leader in rental, infrastructure, and support services for critical industries, offering modular solutions, drilling support, and infrastructure services worldwide |
335 | |||
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. | |||||
| 14 |
Business Streambusiness-stream.co.uk
Provides water and wastewater services, supports water efficiency, manages billing, and promotes environmental sustainability for business customers. |
316 | |||
| 15 |
Berry | bpipackagingsolutions.amcor.com
A global supplier of flexible protective solutions, specializing in high performance polythene films and recycling Serving various industries worldwide |
261 | |||
| 16 |
Enviro-Cleanevcsl.com
A trusted provider of waste management and industrial services in the UK, focusing on safety, quality, and customer satisfaction through innovative technologies and practices |
251 | |||
| 17 | 211 | ||||
| 18 |
Tilhill Forestrytilhill.com
A forest management company with over 70 years of experience in purchasing, designing, planting, harvesting, and marketing quality timber while prioritizing environmental integrity and safety |
184 | |||
| 19 |
The NWH Groupnwhgroup.co.uk
A family-owned business in Scotland transforming waste into valuable products through waste collection, recycling services, and a fleet of specialized vehicles |
166 | |||
| 20 |
Agricarbonagricarbon.co.uk
Agricarbon offers affordable soil carbon testing at scale in the UK and Europe, providing businesses and farmers with valuable insights |
72 | |||
| 21 |
Keenan Recyclingkeenanrecycling.co.uk
The company is the UK's largest commercial food waste collection company, offering nationwide service, turning food waste into biofuel for renewable energy |
59 | |||
| 22 |
Binn Groupbinngroup.co.uk
An independent recycling and waste management company in Scotland, utilizing advanced technology to process waste materials and pioneer environmentally-friendly waste management solutions |
56 | |||
| 23 |
PATERSONS QUARRIES LIMITEDpatersonsquarries.co.uk
The company group specializes in construction, engineering, and related industries such as quarry products, concrete blocks, marine manufacturing, security services, waste management, and plant hire |
51 | |||
| 24 |
LAMH Recycle Ltdlamhrecycle.co.uk
Specialises in recycling and refurbishing redundant IT, network, and communications equipment with full data security and no landfill waste. |
38 | |||
| 25 |
CLEARWATER DC 2001 LIMITEDclearwaterltd.com
Leading UK waste management company providing treatment, recycling, and disposal services to industrial, commercial, and municipal sectors |
18 | |||
| 26 |
Circulus | B Corp™circuluscrm.com
Providing comprehensive electronic waste management solutions including repair, recycling, secure data destruction, and promoting Scotland's circular economy principles. |
17 | |||
| 27 |
The Edinburgh Remakeryedinburghremakery.org.uk
repair and refurbish items to reduce waste, provide training and workshops, support community employment, and promote sustainable living practices |
12 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 12, 2026.
More company lists in Scotland
- The largest companies in Scotland 1,588
- Multinational companies in Scotland 248
- Retail chains in Scotland 155
- Manufacturers in Scotland 132
- Professional services firms in Scotland 112
- Financial services firms in Scotland 104
- Financial Services companies in Scotland 100
- Hotel and hospitality groups in Scotland 96
- Family-owned companies in Scotland 96
- Companies with in-house R&D in Scotland 94
- Software Development companies in Scotland 94
- SaaS companies in Scotland 90
- Hospitality companies in Scotland 86
- Energy companies in Scotland 84
- Critical infrastructure operators in Scotland 70
- Oil and Gas companies in Scotland 69
- Retail companies in Scotland 68
- Hardware manufacturers in Scotland 67
- Public sector organisations in Scotland 67
- Education providers in Scotland 66
- Food and beverage companies in Scotland 63
- Food and Beverage Manufacturing companies in Scotland 61
- Consumer goods companies in Scotland 57
- Construction companies in Scotland 51