Written from the public record.
88 guides on finding UK companies, reading their filings and writing the email at the end of it. Every figure is sourced and dated, and all of it is yours to go and check. Nothing here needs an account to read.
NEW GUIDES ROUGHLY TWICE A MONTH · SIX SHELVES
One bar per guide. Height is the read time, colour is the shelf.
Written this month.
The whole library, six shelves deep.
Pick a shelf and the library re-sorts itself. Nothing here is a round-up of other people’s opinions: each guide starts from a filing, a dataset or a rule you can open for yourself.
Start with the record
Every UK limited company files, and all of it is public. These explain what is actually in there, what the deadlines mean, and how to read a set of filed accounts without an accounting degree.
Then build the list
A market is not a list until it has been narrowed and checked. These cover the filters that genuinely cut a market down, and what has to be verified before a name is worth writing to at all.
Then write the email
The last step, and the one most people rush. Timing a send to a deadline, staying inside the UK rules, and writing a first line that could only ever have gone to that one company.
Everything, newest first. Six shelves in one library: how the public record works, how to build a list out of it, what the national numbers actually say, and how to write the email at the end of it. Every guide names the source it was written from, so you can open the filing or the release and check the working yourself.
Everything the Leadistry AI assistant can do for you
Market ResearchNew UK companies in September 2026: 68,638, and what they do
OutreachSocial media or cold email for local business leads: which to use when
UK BusinessWhat marketing costs a small UK business, and what drives the price
UK BusinessHow to choose a marketing agency: a checklist for small UK businesses
Lead GenerationHow marketing agencies find new clients in the UK
Market ResearchNew companies by UK city: the 2026 figures for 74 cities
Product UpdatesPut new leads into Google Sheets automatically, with one formula
OutreachBounced cold emails: what a bounce costs you, and who should pay for it
OutreachHow many cold emails can you send a day from Gmail or Google Workspace?
Lead GenerationWhat a B2B lead should include before you pay for it
OutreachAutopilot for cold email: when to approve each one, and when to let them send
OutreachCold email follow-ups: how many to send, and how far apart
OutreachVideo in a cold email: how to add one when mail apps will not play it
OutreachYour logo, pictures and a banner in a cold email: what helps and what hurts
Product UpdatesTell us what to build next, and vote on what other customers asked for
OutreachCold email first lines: examples written from a company’s own filings
Companies HouseCompanies House data for lead generation: what it gives you, and what it leaves out
Lead GenerationHow to get work from builders when none of them know you yet
Product UpdatesLeadistry V2: the morning arrives already written
Lead GenerationInsurance leads in the UK: what you are actually buying
Product UpdatesConnecting Leadistry to Claude: your leads in the chat you already use
Market ResearchHow many businesses are there in the UK?
Market ResearchHow long lead generation takes, with and without AI
Companies HouseRegistered office changes: the register's quiet switching signal
Lead GenerationCompany name changes: the rebrand signal hiding in the UK register
Lead GenerationLead generation for IT support companies in the UK
Lead GenerationWhat a lead generation pipeline actually is (UK, 2026)
Companies HouseWhich SIC codes actually describe your customers
Lead GenerationWrong industry, wrong leads: how to check an audience before you pay for it
OutreachSend 25 cold emails free: the whole UK outreach loop without a card
Companies HouseA business is registered at my address. What can I do?
Companies HouseWhat is the US equivalent of Companies House?
Companies HouseThe Companies House API, explained: auth, rate limits and the gotchas
Lead GenerationB2B email lists UK: buy one, build one, or generate one?
Market ResearchThe UK recruitment agency market, and why it swings
Market ResearchUK construction: 423,000 businesses, and steadier than you think
Market ResearchThe UK cleaning company market, by the numbers
Market ResearchThe UK EV charger and heat pump installer market
Market ResearchWhere UK companies are closing fastest, and what it tells you
Market ResearchHow many small businesses are there in the UK?
Market ResearchThe 14,330 UK companies that are actually scaling
Market ResearchThe UK is getting older, and the care market is growing with it
Market ResearchThe UK birth rate is falling. Which businesses should care?
Market ResearchHow to read ONS business data without getting it wrong
Market ResearchWhere new UK businesses are being created, region by region
Market ResearchUK business survival rates: how many new firms are still trading five years on
Market ResearchThe fastest growing UK industries, and how to tell real growth from noise
Market ResearchHow many UK businesses open and close each year
Product UpdatesThe poor-website filter: how web designers find their next clients
Product UpdatesOne lead is one lead: how Leadistry pricing works
Product UpdatesMeet your AI lead-gen employee
Companies HouseFirst 90 days: selling to new companies at the right moment
Lead GenerationA founder's two minutes: the AI chat that keeps your pipeline full
Companies HouseWhy filing-traced data beats scraped profiles for UK sales
Companies HouseThe confirmation-statement window: timing outreach to filing deadlines
UK BusinessCold email and UK GDPR: what legitimate interest actually requires
Lead GenerationHow to find companies with no website (and why a poor website is the better target)
UK BusinessIs a Business Email Address Personal Data Under UK GDPR?
UK BusinessCan You Legally Email Sole Traders in the UK? Corporate vs Individual Subscribers
OutreachCold Email Tracking That Tells the Truth: Opens, Clicks, Replies and the Bots In Between
Product UpdatesZapier Lead Automation: Push Every New Lead and Reply Into Your Own Tools
Product UpdatesRecurring Lead Searches Explained: Every Morning by Default, and When One Big Search Is Better
Lead GenerationHow Web Design Agencies Automate Lead Generation in the UK (Full Playbook)
OutreachEmail Warm-Up for UK Cold Outreach: the Schedule That Keeps You Out of Spam
OutreachZapier vs Built-In Automation for UK Cold Outreach
Companies HouseHow to Email Newly Incorporated UK Companies (Legally and Automatically)
Lead GenerationHow to Find a UK Company's Contact Details From Any Website
Product UpdatesThe Leadistry Chrome Extension: Find UK Leads as You Browse
Lead GenerationLead enrichment: turning Companies House rows into contactable leads
Product UpdatesSend New UK Leads Straight to Your CRM: Webhooks, Zapier and Slack
Lead GenerationFrom Lead List to Booked Call: The Full UK B2B Prospecting Workflow
OutreachEmail Deliverability for UK B2B: SPF, DKIM, DMARC and Warm-Up
OutreachA/B Testing Cold Email: Why Variants Win More Replies
Lead GenerationUK company buying signals: how to reach businesses at the right moment
OutreachCold Email Outreach, Built Into Your UK Lead Tool
UK BusinessCompanies House vs LinkedIn for UK B2B Prospecting
Lead GenerationHow to Verify a UK Director's Email Address Before Cold Outreach
Companies HouseUK SIC Code Lookup: How to Find the Right Codes for B2B Prospecting
UK BusinessIs UK B2B Data Scraping Legal? GDPR & PECR Compliance for Prospecting
Lead GenerationBest UK Lead Generation Software for 2026, Honest Comparison
UK BusinessHow to Find UK Companies by Postcode for Local B2B Outreach
Companies HouseCompanies House API Alternative, When the Official API Isn't Enough for Lead Generation
Companies HouseHow to Find Recently Incorporated UK Companies by SIC Code
Companies HouseCompanies House Deadlines 2026: When Accounts & Confirmation Statements Are Due (and What Late Costs You)
Lead GenerationHow to Find UK Businesses With No Website in 2026 (and the Better List to Build)
UK BusinessThe Complete Guide to SIC Codes for UK B2B Lead Generation
Lead GenerationUK B2B Lead Generation for Accountants, Finding New Clients Using Companies House
Showing 88 of 88. Or take a shelf on its own: Lead Generation · Companies House · UK Business · Product Updates · Outreach · Market Research · RSS
Every figure here came from somewhere.
We sell a product built on the public record, so the writing runs on the same rules the product does. These four are the ones worth stating out loud.
It starts in the record
Every guide begins with something already published: a filing at Companies House, a release from the ONS, a line in PECR. If a claim cannot be traced back to one of those, it does not get written up as a fact. Opinions are allowed, and they are labelled as opinions rather than dressed up as findings.
The numbers carry a date
A figure with no date is a rumour. Each statistic names the release it came from and the month it was measured, so you can tell at a glance whether it still holds or whether it has quietly gone stale. Register counts move every month, and the guides say so rather than pretending otherwise.
The examples are specimens
Company names in worked examples are obviously fictional, and any figure attached to one is illustrative. A real business never gets used to demonstrate a problem it did not agree to demonstrate, however public its filings happen to be. Public and fair game are not the same thing, and the difference matters here.
Corrections get made
If a number here is wrong, tell us and it is changed, with a line saying what changed and when. Nothing on this blog is precious enough to be worth defending against the record it came from, and that includes the posts that argue for the product we sell.
What we will and will not publish
The public record is public, which is not the same as saying anything found in it is fair to print. A guide here will name a company only when the company is the subject of its own filing and the point being made is about the filing. Worked examples use obviously fictional specimens instead, so nobody ends up as the illustration for a problem they never volunteered for.
Nothing here is legal advice. The posts about UK GDPR and PECR explain how the rules are written and how we read them for our own sending, which is a useful starting point and a poor substitute for an adviser who knows your business. Where a rule is genuinely unsettled, the post says so rather than picking the reading that suits us.
Product posts are held to the same line as the rest of the site: only features that exist today, only signals that actually run, and the limits stated in the same paragraph as the capability. If something is being built, it stays off the blog until the day it works.
Figures move. Register counts change every month and ONS releases get revised, so a guide carries the month it was measured and gets a note when the number behind it shifts. If you find one that has drifted, tell us and it gets fixed.
Nothing here is written to fill a slot on a calendar. A guide goes up when there is a filing, a dataset or a rule worth explaining, which is why the shelves are uneven: there is far more to say about the public record than there is about release notes, and the library shows that rather than hiding it behind a tidy publishing rhythm nobody asked for.
Every post ends in something you can do rather than something you can buy. The ones that mention the product say what it costs and where it stops, and the ones that do not mention it at all are still the majority. If a guide is only useful to somebody who has already paid us, it was the wrong guide to write.
How Leadistry stacks up against the usual suspects.
A named, sourced, line-by-line comparison: where each one gets its data, how it charges, how much of the UK it actually covers, and what it does about compliance. It is kept up to date rather than written once, because half of what it compares changes its pricing twice a year. If we have a competitor wrong, tell us and the row gets corrected.
The record, on film.
WATCH · 1:30
Eighty-three thousand UK businesses closed in a single ordinary quarter, against seventy-eight thousand that opened. The ONS numbers, read out in ninety seconds, with every figure on screen as it is said. Read the write-up: Eighty-three thousand doors closed
What is actually on the UK public record
Ninety seconds on what every UK company has to publish, the nine month deadline they all feel, and why the best list in the country goes unread.
EVERY FIGURE IS CITED ON SCREEN · COMPANY EXAMPLES ARE FICTIONAL SPECIMENS
Questions about the blog itself.
01How often do you publish?+
Roughly twice a month, and there is no schedule beyond that. A guide goes up when there is something worth saying and a source to say it from, which is a slower rate than a content calendar would produce and a better one to read. The RSS feed under the grid carries every new post the day it lands.
02Where does the data in these come from?+
Two places, mostly. The Companies House register, which every UK limited company files into and which anybody can search for free, and the Office for National Statistics. Both are public, both are named in the post that uses them, and the methodology and data sources pages set out the full list.
03Can I quote a figure from one of these?+
Yes, and you do not need to ask. Quote the original release rather than us wherever you can, because that is the thing still likely to be there in three years, and every post names it. A link back here is welcome if you would rather, and never required.
04Are the companies in the examples real?+
No. Every company named in a worked example is an obvious specimen and any number attached to it is illustrative. A real business appears only where the point being made is about a filing it published itself, and even then it is named because the filing is the story, not the company.
05Something here has gone out of date. What now?+
Tell us and it gets fixed, with a note saying what changed and when. Register counts and ONS figures both move, so a guide written in March can be wrong by August through nobody's fault. Corrections are the cheapest thing on this website and they get made the same week.
More on where any of it comes from: Methodology · Data sources · Ask us directly
Every post ends in a search you can run.
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88 GUIDES · SIX SHELVES · NO CARD · 25 FREE LEADS