Company lists · Data refreshed October 2026
Top 25 Building retrofitting companies based in the United Kingdom
RevenueBase identified 326 company matches for building retrofitting companies associated with the United Kingdom as of October 2026 and tracks 3,900 professional contacts across them, including 1,629 with verified work emails. London is the largest hub.
This list covers company matches for building retrofitting companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest building retrofitting companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 111 contacts → | ||||
Exact match “We are a leading provider of retrofit residential decarbonisation across the UK.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 99 contacts → | ||||
Exact match “Established in 1980, InstaGroup are a UK leader in the energy efficiency industry, covering commercial and residential projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 94 contacts → | ||||
Exact match “Sustainable Building Services (UK) Ltd (SBS) is a purpose-led, multi-award-winning turnkey solutions provider specialising in retrofit energy efficiency and decarbonisation works…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 78 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 75 contacts → | ||||
Exact match “Established in 2016, we have grown to become one of the most reputable and reliable specialists within the renewable, heating, and insulation sectors in the United Kingdom.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 67 contacts → | ||||
Exact match “At 21 Degrees, we believe buildings should be designed for lower energy use, healthier spaces and better comfort.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 58 contacts → | ||||
Exact match “Primech is a specialist mechanical and electrical design and build contractor, with a strong focus on retrofit and upgrade projects across existing buildings and live environments.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 57 contacts → | ||||
Exact match “Forcia Limited is a construction company based out of Park Hill, London, United Kingdom.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 55 contacts → | ||||
Exact match “JLS Services & Son Ltd: Sustainable Building Solutions Specialists in Internal Partitions, Suspended Ceilings, SFS, Plastering, Rendering & Fire and Acoustic Sealing.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 54 contacts → | ||||
Exact match “IZ Energy is pioneering a sustainable future.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 48 contacts → | ||||
Exact match “Construction group specialising in energy efficiency, fit out, M&E, fire & security and renewables.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 47 contacts → | ||||
Exact match “Secure your greener future with renewable energy solutions!” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 45 contacts → | ||||
Exact match “Sureserve Energy Services North is a leading national installer of insulation, heating solutions and renewable technologies.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 42 contacts → | ||||
Exact match “At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 38 contacts → | ||||
Exact match “We are a purpose driven engineering business, passionate about our people and the environment.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 38 contacts → | ||||
Exact match “Homelogic®, based in Southampton, Hampshire, are an innovative, forward-thinking company dedicated to bringing eco-friendly, cost effective energy saving solutions to the homes…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 37 contacts → | ||||
Exact match “Avonside Energy: Your Partner in Sustainable Building Solutions At Avonside Energy, we are dedicated to delivering best-in-class services across: New Build Insulation…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 36 contacts → | ||||
Exact match “Evotech Technical Services delivers smarter, more sustainable buildings through innovative M&E solutions, expert engineering, and data-driven performance - helping clients reduce…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 35 contacts → | ||||
Exact match “Q-Bot transforms cold, draughty floor voids into warm, efficient and healthier spaces.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 32 contacts → | ||||
Exact match “CWG Group is your dedicated partner in creating energy-efficient, sustainable, and environmentally responsible solutions that stand the test of time.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 31 contacts → | ||||
Exact match “Hello.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 23 contacts → | ||||
Exact match “Elite Energy – Powering a Greener, Smarter UK Elite Energy is an award-winning energy solutions company helping homeowners across the UK reduce energy bills, cut carbon emissions…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “Eclipse Energy are specialists in providing affordable and efficient ways to keep your home warm and dry for less.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match “Osborne Energy are a leading provider of energy services and projects in the UK, providing Main and Sub-Contractor services and delivering domestic and commercial retrofit and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 19 contacts → | ||||
Exact match “We are a specialist system designer & distributor of the following services to the retrofit market: • Internal Wall Insulation (IWI) • Loft Storage Solution (LSS) • Room In Roof…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “building retrofitting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 326 building retrofitting companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,629 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Building retrofitting companies based in the United Kingdom at a glance
As of Oct 9, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 326 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “building retrofitting companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,629 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 9, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “building retrofitting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many building retrofitting companies are there based in the United Kingdom?
RevenueBase identified 326 company matches for building retrofitting companies associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Livgreen tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most building retrofitting companies?
London leads with 38 company records, followed by Manchester (9) and Glasgow (7).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,629 professional contacts with verified work emails tracked across these 326 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 326 building retrofitting companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Building retrofitting companies by geography
- Building retrofitting companies based in Paris, France
- Building retrofitting companies based in New York, United States
- Building retrofitting companies based in Australia
- Building retrofitting companies based in Belgium
- Building retrofitting companies based in Brazil
- Building retrofitting companies based in Canada
- Building retrofitting companies based in France
- Building retrofitting companies based in Germany
- Building retrofitting companies based in India
- Building retrofitting companies based in Ireland
- Building retrofitting companies based in Italy
- Building retrofitting companies based in the Netherlands
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Building retrofitting companies based in Paris, France
- Building retrofitting companies based in New York, United States
- Building retrofitting companies based in Australia
- Building retrofitting companies based in Belgium
- Building retrofitting companies based in Brazil
- Building retrofitting companies based in Canada
Company intelligence · public preview
Top 25 building retrofitting companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 326 matching company records for building retrofitting companies based in the United Kingdom, with 3,900 tracked contacts and 1,629 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 building retrofitting companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Livgreenlivgreen.co.uk HQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 111 contacts → |
“We are a leading provider of retrofit residential decarbonisation across the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Instagroup LTDinstagroup.co.uk HQ: Finchampstead, United KingdomReported employees: 51-200 | Finchampstead, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Established in 1980, InstaGroup are a UK leader in the energy efficiency industry, covering commercial and residential projects.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sustainable Building Services UK LTDsustainablebuildinguk.com HQ: Skelmersdale, United KingdomReported employees: 51-200 | Skelmersdale, United Kingdom | 51-200 | Exact match | 94 contacts → |
“Sustainable Building Services (UK) Ltd (SBS) is a purpose-led, multi-award-winning turnkey solutions provider specialising in retrofit energy efficiency and decarbonisation works…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Purdy Part Of Sureservepurdycontracts.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 78 contacts → |
“Who are we?” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Next Energynextenergyuk.co.uk HQ: Knowsley, United KingdomReported employees: 51-200 | Knowsley, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Established in 2016, we have grown to become one of the most reputable and reliable specialists within the renewable, heating, and insulation sectors in the United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  21 Degrees21degrees.comHQ: Nationwide, United KingdomReported employees: 201-500 | Nationwide, United Kingdom | 201-500 | Exact match | 67 contacts → |
“At 21 Degrees, we believe buildings should be designed for lower energy use, healthier spaces and better comfort.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Primech Building Services LTDprimechservices.com HQ: Gillingham, United KingdomReported employees: 51-200 | Gillingham, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Primech is a specialist mechanical and electrical design and build contractor, with a strong focus on retrofit and upgrade projects across existing buildings and live environments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Forcia Limitedforcia.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“Forcia Limited is a construction company based out of Park Hill, London, United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | JLSjlslimited.co.uk HQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 55 contacts → |
“JLS Services & Son Ltd: Sustainable Building Solutions Specialists in Internal Partitions, Suspended Ceilings, SFS, Plastering, Rendering & Fire and Acoustic Sealing.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | IZ Energy Services LTDizenergy.co.uk HQ: Barking, United KingdomReported employees: 51-200 | Barking, United Kingdom | 51-200 | Exact match | 54 contacts → |
“IZ Energy is pioneering a sustainable future.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MP Group UKmpgroupuk.com HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 48 contacts → |
“Construction group specialising in energy efficiency, fit out, M&E, fire & security and renewables.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cotswold Energy Groupcotswold.energyHQ: Stonehouse, United KingdomReported employees: 51-200 | Stonehouse, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Secure your greener future with renewable energy solutions!” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sureserve Energy Services Northsureserve.co.ukHQ: Brighouse, United KingdomReported employees: 1,001-5,000 | Brighouse, United Kingdom | 1,001-5,000 | Exact match | 45 contacts → |
“Sureserve Energy Services North is a leading national installer of insulation, heating solutions and renewable technologies.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Green Home Systemsgreenhomesystems.co.uk HQ: Irvine, United KingdomReported employees: 51-200 | Irvine, United Kingdom | 51-200 | Exact match | 42 contacts → |
“At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  B-Engineering Group Certified B Corpb-enggroup.co.ukHQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 38 contacts → |
“We are a purpose driven engineering business, passionate about our people and the environment.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Homelogichomelogic.co.uk HQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 38 contacts → |
“Homelogic®, based in Southampton, Hampshire, are an innovative, forward-thinking company dedicated to bringing eco-friendly, cost effective energy saving solutions to the homes…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Avonside Energyavonsideenergy.co.ukHQ: Rearsby, United KingdomReported employees: 201-500 | Rearsby, United Kingdom | 201-500 | Exact match | 37 contacts → |
“Avonside Energy: Your Partner in Sustainable Building Solutions At Avonside Energy, we are dedicated to delivering best-in-class services across: New Build Insulation…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Evotech Technical Servicesevotech.co.ukHQ: Elland, United KingdomReported employees: 51-200 | Elland, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Evotech Technical Services delivers smarter, more sustainable buildings through innovative M&E solutions, expert engineering, and data-driven performance - helping clients reduce…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Q-Bot LTDq-bot.co HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Q-Bot transforms cold, draughty floor voids into warm, efficient and healthier spaces.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CWG Group LTDcwggroup.co.uk HQ: Stevenage, United KingdomReported employees: 11-50 | Stevenage, United Kingdom | 11-50 | Exact match | 32 contacts → |
“CWG Group is your dedicated partner in creating energy-efficient, sustainable, and environmentally responsible solutions that stand the test of time.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Hello.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Elite Energyeliteenergy.co.uk HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Elite Energy – Powering a Greener, Smarter UK Elite Energy is an award-winning energy solutions company helping homeowners across the UK reduce energy bills, cut carbon emissions…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Eclipse Energyeclipseenergy.co.uk HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Eclipse Energy are specialists in providing affordable and efficient ways to keep your home warm and dry for less.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Osborne Energy Limitedosborneenergy.co.uk HQ: Hastings, United KingdomReported employees: 11-50 | Hastings, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Osborne Energy are a leading provider of energy services and projects in the UK, providing Main and Sub-Contractor services and delivering domestic and commercial retrofit and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Swip LTDrebrand.lyHQ: Birmingham, United KingdomReported employees: 51-200 | Birmingham, United Kingdom | 51-200 | Exact match | 19 contacts → |
“We are a specialist system designer & distributor of the following services to the retrofit market: • Internal Wall Insulation (IWI) • Loft Storage Solution (LSS) • Room In Roof…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 326 company matches
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Building retrofitting companies: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
325 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 326 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for building retrofitting companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many building retrofitting companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 326 matching company records, 3,900 tracked contacts and 1,629 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Building retrofitting companies by geography
- Building retrofitting companies based in Paris, France
- Building retrofitting companies based in New York, United States
- Building retrofitting companies based in Australia
- Building retrofitting companies based in Belgium
- Building retrofitting companies based in Brazil
- Building retrofitting companies based in Canada
- Building retrofitting companies based in France
- Building retrofitting companies based in Germany
- Building retrofitting companies based in India
- Building retrofitting companies based in Ireland
- Building retrofitting companies based in Italy
- Building retrofitting companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 building retrofitting companies based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/building-retrofitting-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Building retrofitting companies based in Paris, France
- Building retrofitting companies based in New York, United States
- Building retrofitting companies based in Australia
- Building retrofitting companies based in Belgium
- Building retrofitting companies based in Brazil
- Building retrofitting companies based in Canada
Company intelligence · public preview
Top 25 building retrofitting companies based in the United Kingdom
RevenueBase records 326 matching company records for building retrofitting companies based in the United Kingdom, with 3,900 tracked contacts and 1,629 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 building retrofitting companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Livgreenlivgreen.co.uk HQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 111 contacts → |
“We are a leading provider of retrofit residential decarbonisation across the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Instagroup LTDinstagroup.co.uk HQ: Finchampstead, United KingdomReported employees: 51-200 | Finchampstead, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Established in 1980, InstaGroup are a UK leader in the energy efficiency industry, covering commercial and residential projects.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sustainable Building Services UK LTDsustainablebuildinguk.com HQ: Skelmersdale, United KingdomReported employees: 51-200 | Skelmersdale, United Kingdom | 51-200 | Exact match | 94 contacts → |
“Sustainable Building Services (UK) Ltd (SBS) is a purpose-led, multi-award-winning turnkey solutions provider specialising in retrofit energy efficiency and decarbonisation works…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Purdy Part Of Sureservepurdycontracts.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 78 contacts → |
“Who are we?” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Next Energynextenergyuk.co.uk HQ: Knowsley, United KingdomReported employees: 51-200 | Knowsley, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Established in 2016, we have grown to become one of the most reputable and reliable specialists within the renewable, heating, and insulation sectors in the United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 21 Degrees21degrees.com HQ: Nationwide, United KingdomReported employees: 201-500 | Nationwide, United Kingdom | 201-500 | Exact match | 67 contacts → |
“At 21 Degrees, we believe buildings should be designed for lower energy use, healthier spaces and better comfort.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Primech Building Services LTDprimechservices.com HQ: Gillingham, United KingdomReported employees: 51-200 | Gillingham, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Primech is a specialist mechanical and electrical design and build contractor, with a strong focus on retrofit and upgrade projects across existing buildings and live environments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Forcia Limitedforcia.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“Forcia Limited is a construction company based out of Park Hill, London, United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | JLSjlslimited.co.uk HQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 55 contacts → |
“JLS Services & Son Ltd: Sustainable Building Solutions Specialists in Internal Partitions, Suspended Ceilings, SFS, Plastering, Rendering & Fire and Acoustic Sealing.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | IZ Energy Services LTDizenergy.co.uk HQ: Barking, United KingdomReported employees: 51-200 | Barking, United Kingdom | 51-200 | Exact match | 54 contacts → |
“IZ Energy is pioneering a sustainable future.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | MP Group UKmpgroupuk.com HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 48 contacts → |
“Construction group specialising in energy efficiency, fit out, M&E, fire & security and renewables.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cotswold Energy Groupcotswold.energy HQ: Stonehouse, United KingdomReported employees: 51-200 | Stonehouse, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Secure your greener future with renewable energy solutions!” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sureserve Energy Services Northsureserve.co.uk HQ: Brighouse, United KingdomReported employees: 1,001-5,000 | Brighouse, United Kingdom | 1,001-5,000 | Exact match | 45 contacts → |
“Sureserve Energy Services North is a leading national installer of insulation, heating solutions and renewable technologies.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Green Home Systemsgreenhomesystems.co.uk HQ: Irvine, United KingdomReported employees: 51-200 | Irvine, United Kingdom | 51-200 | Exact match | 42 contacts → |
“At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | B-Engineering Group Certified B Corpb-enggroup.co.uk HQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 38 contacts → |
“We are a purpose driven engineering business, passionate about our people and the environment.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Homelogichomelogic.co.uk HQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 38 contacts → |
“Homelogic®, based in Southampton, Hampshire, are an innovative, forward-thinking company dedicated to bringing eco-friendly, cost effective energy saving solutions to the homes…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Avonside Energyavonsideenergy.co.uk HQ: Rearsby, United KingdomReported employees: 201-500 | Rearsby, United Kingdom | 201-500 | Exact match | 37 contacts → |
“Avonside Energy: Your Partner in Sustainable Building Solutions At Avonside Energy, we are dedicated to delivering best-in-class services across: New Build Insulation…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Evotech Technical Servicesevotech.co.uk HQ: Elland, United KingdomReported employees: 51-200 | Elland, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Evotech Technical Services delivers smarter, more sustainable buildings through innovative M&E solutions, expert engineering, and data-driven performance - helping clients reduce…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Q-Bot LTDq-bot.co HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Q-Bot transforms cold, draughty floor voids into warm, efficient and healthier spaces.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CWG Group LTDcwggroup.co.uk HQ: Stevenage, United KingdomReported employees: 11-50 | Stevenage, United Kingdom | 11-50 | Exact match | 32 contacts → |
“CWG Group is your dedicated partner in creating energy-efficient, sustainable, and environmentally responsible solutions that stand the test of time.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 31 contacts → |
“Hello.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Elite Energyeliteenergy.co.uk HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 23 contacts → |
“Elite Energy – Powering a Greener, Smarter UK Elite Energy is an award-winning energy solutions company helping homeowners across the UK reduce energy bills, cut carbon emissions…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Eclipse Energyeclipseenergy.co.uk HQ: Halifax, United KingdomReported employees: 11-50 | Halifax, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Eclipse Energy are specialists in providing affordable and efficient ways to keep your home warm and dry for less.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Osborne Energy Limitedosborneenergy.co.uk HQ: Hastings, United KingdomReported employees: 11-50 | Hastings, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Osborne Energy are a leading provider of energy services and projects in the UK, providing Main and Sub-Contractor services and delivering domestic and commercial retrofit and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Swip LTDrebrand.ly HQ: Birmingham, United KingdomReported employees: 51-200 | Birmingham, United Kingdom | 51-200 | Exact match | 19 contacts → |
“We are a specialist system designer & distributor of the following services to the retrofit market: • Internal Wall Insulation (IWI) • Loft Storage Solution (LSS) • Room In Roof…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 326 company matches
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Building retrofitting companies: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
325 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 326 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for building retrofitting companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many building retrofitting companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 326 matching company records, 3,900 tracked contacts and 1,629 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Building retrofitting companies by geography
- Building retrofitting companies based in Paris, France
- Building retrofitting companies based in New York, United States
- Building retrofitting companies based in Australia
- Building retrofitting companies based in Belgium
- Building retrofitting companies based in Brazil
- Building retrofitting companies based in Canada
- Building retrofitting companies based in France
- Building retrofitting companies based in Germany
- Building retrofitting companies based in India
- Building retrofitting companies based in Ireland
- Building retrofitting companies based in Italy
- Building retrofitting companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 building retrofitting companies based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/building-retrofitting-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Building retrofitting companies based in Paris, France
- Building retrofitting companies based in New York, United States
- Building retrofitting companies based in Australia
- Building retrofitting companies based in Belgium
- Building retrofitting companies based in Brazil
- Building retrofitting companies based in Canada