Choosing a lead generation company for double glazing companies starts with one question: what does a good lead actually look like? A qualified double glazing lead is a homeowner with a confirmed number and type of windows or doors, a property address and a readiness to receive an in-home quotation. We compared six established UK lead generation companies against that standard and the way double glazing buyers behave. ROI Leads comes out on top on this page, with Sitesy and PromoSEO in close support. Read each profile before you commit.
ROI Leads
No-win-no-fee lead generation for 100+ trades and professional services, exclusive by area.
No win, no fee — profit-share after the job is won
Why it ranks first here
Built around trades and local services, ROI Leads understands how double glazing enquiries in your area actually convert.
With 100+ trades and professional services covered, ROI Leads starts a double glazing campaign with real sector context.
Strong channels here include local search and paid search for window replacement and double glazing.
- No upfront cost — you share profit only after a job is won.
- Exclusive to one firm per area, so you are not bidding against neighbours.
- Built around the realities of trades and local service businesses.
- The profit-share model needs clear job-value tracking to stay fair.
- Designed for trades and local services rather than enterprise B2B.
Sitesy
UK agency delivering guaranteed-ROI, 100% exclusive leads through coordinated multi-channel campaigns.
Guaranteed-ROI pricing, one client per lead
Why it ranks second here
Sitesy builds guaranteed-ROI pricing into the deal, so a campaign in your area is judged on measurable return from the start.
AI-assisted targeting helps Sitesy focus double glazing spend on the buyers most likely to convert.
For double glazing companies, that matters because the buyer is a homeowner replacing failed units, wanting improved energy efficiency or upgrading the aesthetic of a property, and is likely to request multiple quotes before committing.
- Guaranteed-ROI pricing puts measurable return at the centre of the deal.
- Each lead goes to one client only, never shared.
- Channels are coordinated rather than run in silos.
- Guarantees usually come with qualifying criteria worth reading closely.
- A newer name than some of the long-established SEO players.
PromoSEO
Award-winning multi-channel lead generation across SEO, PPC, social, video and retargeting.
No win, no fee — 10–25% commission on results
Why it ranks third here
PromoSEO's award-winning, press-featured record gives your area buyers a reason to trust the first contact.
The buying cycle shapes it: the comparison phase runs one to three weeks and typically involves two to four in-home quotes; the buyer who received the most reassuring communication after each quote often wins.
- Runs SEO, PPC, paid social, video and retargeting together rather than betting on one channel.
- Every lead is 100% exclusive to you.
- Experience across 650+ industries means a fast, informed start.
- Commission of 10–25% on results can add up on high-value leads.
- A multi-channel setup is more involved than a single-channel campaign.
FatRank
Performance-based, SEO-led lead generation where you only pay once leads turn into revenue.
No win, no fee — pay only after leads generate revenue
Why it ranks fourth here
Exclusivity is the whole point with FatRank: a double glazing lead in the UK is yours alone, never resold to a rival.
The buying cycle shapes it: the comparison phase runs one to three weeks and typically involves two to four in-home quotes; the buyer who received the most reassuring communication after each quote often wins.
- You only pay once leads convert into revenue, so the risk sits with FatRank, not your budget.
- Leads are exclusive and delivered in real time, never resold across competitors.
- Deep organic-search authority means enquiries come from buyers actively searching.
- An SEO-led pipeline builds over weeks rather than switching on overnight.
- Best suited to sectors with real search demand to rank for.
AI Lead Generation UK
AI-powered B2B lead generation that finds, qualifies and books leads, priced per qualified lead.
Pay per qualified lead (transparent pricing)
Why it ranks fifth here
AI targeting is paired with a UK team that qualifies and books, so double glazing leads arrive ready for a conversation, not just a list.
Strong channels here include local search and paid search for window replacement and double glazing.
- You pay per qualified lead, with a clear cost agreed up front.
- AI targeting is paired with a UK team that qualifies and books.
- Sector specialists tailor the outreach to your market.
- Focused on B2B, so less suited to pure consumer campaigns.
- Pay-per-lead means costs scale directly with volume.
LLM Leads
GEO and AI-visibility specialists who make you the brand ChatGPT, Gemini and Perplexity recommend.
AI-visibility / GEO — entity, citations and audits
Why it ranks sixth here
LLM Leads builds the entity signals and citations that get a double glazing brand recommended by Gemini and Perplexity.
For double glazing companies, that matters because the buyer is a homeowner replacing failed units, wanting improved energy efficiency or upgrading the aesthetic of a property, and is likely to request multiple quotes before committing.
- Targets the AI answer engines your competitors are still ignoring.
- Builds the entity and citations that get a brand cited by LLMs.
- Audit-led, so you can see where AI visibility stands today.
- GEO is an emerging channel, so volumes are less predictable than mature search.
- Best used alongside other channels rather than as a sole lead source today.
How we ranked these companies
Our method is deliberately page-specific. We start with fit — matching each company's proven strengths to double glazing companies and how they convert — then factor in pricing model, exclusivity and the breadth of channels on offer. Companies that carry more of the risk, or guarantee exclusivity, tend to score well. The result reads differently here than on any other page, by design.
Frequently asked questions
What is the best lead generation company for double glazing companies?
For double glazing companies, ROI Leads leads our current ranking, largely for its built for trades and professional services. Sitesy and PromoSEO are close alternatives. Because the comparison phase runs one to three weeks and typically involves two to four in-home quotes; the buyer who received the most reassuring communication after each quote often wins. the best pick is the one whose model matches how quickly you can act on a lead.
How do lead generation companies charge for double glazing companies leads?
Models vary widely. FatRank works no-win-no-fee, AI Lead Generation UK charges per qualified lead, and others take commission or profit-share on results. For double glazing companies, agree exactly what counts as a qualified lead before comparing headline prices — the definition matters more than the rate.
What does a good double glazing lead look like?
A qualified double glazing lead is a homeowner with a confirmed number and type of windows or doors, a property address and a readiness to receive an in-home quotation. The companies ranked highest for double glazing companies here — ROI Leads and Sitesy — are the ones set up to deliver exactly that, rather than raw enquiry volume.