BlitzAPI vs Pure Tax Investigations

Side-by-side comparison to help you choose the right tool.

Supercharge your GTM playbooks with clean, powerful B2B data APIs!.

Last updated: February 28, 2026

Pure Tax Investigations logo

Pure Tax Investigations

Pure Tax Investigations fiercely protects your business from HMRC tax investigations with tailored, expert support!.

Last updated: March 1, 2026

Visual Comparison

BlitzAPI

BlitzAPI screenshot

Pure Tax Investigations

Pure Tax Investigations screenshot

Feature Comparison

BlitzAPI

Find your ideal customers and decision-makers in an instant! BlitzAPI's powerful search algorithm doesn't just find contacts; it prioritizes and ranks them based on your ideal customer profile (ICP). This means your team spends zero time sifting through irrelevant data and can immediately focus on the highest-potential leads that match your exact criteria. It's the smart starting point for any targeted campaign!

Verified Email & Phone Enrichment

Access a massive database of over 360 million verified B2B contacts! BlitzAPI's enrichment APIs deliver accurate, direct-dial phone numbers and professional email addresses you can actually reach. This feature is built on a foundation of quality, ensuring the data you inject into your CRM and outreach sequences is reliable, up-to-date, and primed for successful engagement. Say goodbye to bounced emails and wrong numbers!

Catch-All Email Validation with >98% Accuracy

Eliminate the guesswork from email validation forever! BlitzAPI specializes in validating tricky catch-all email domains with an industry-leading accuracy rate of over 98% in real-time. This deliverability-first approach ensures your messages land in the right inboxes, protecting your sender reputation and maximizing the impact of every single email you send. Never waste a credit on a bad address again!

Unlimited Data Enrichment & Company Profiles

Enrich your leads with a comprehensive data layer at unlimited scale! Through simple API calls, you can append detailed company information from a database of over 60 million profiles, plus enrich contact data with LinkedIn URLs and other professional details. This creates rich, actionable profiles for your sales team, enabling highly personalized and effective outreach across all your GTM workflows.

Pure Tax Investigations

Expert Tax Investigation Specialists

Our team comprises highly qualified and experienced tax investigation specialists who possess a deep understanding of both local and international tax laws. We are committed to providing bespoke advice tailored to each client’s unique circumstances, ensuring they achieve the best possible outcomes.

Comprehensive Tax Enquiry Management

From compliance checks to complex investigations under COP9 and COP8, we handle every aspect of your tax enquiry. Our proactive approach ensures that all angles are considered, providing you with a thorough defense against HMRC scrutiny that covers all bases.

Tailored Strategic Guidance

At Pure Tax Investigations, we believe in the power of personalized service! We assess each client’s situation individually, crafting bespoke strategies that not only address current investigations but also lay a solid foundation for future tax compliance and planning.

Peace of Mind and Wealth Preservation

We prioritize your financial security! Our core mission revolves around providing certainty and peace of mind during your tax investigations. We work tirelessly to safeguard your assets and ensure that your financial affairs are structured efficiently and effectively.

Use Cases

BlitzAPI

Automating Outbound Sales Prospecting

Supercharge your outbound sales engine! Sales teams use BlitzAPI to automatically build targeted prospect lists based on their ICP. They can search for leads, enrich them with verified emails and phone numbers, and pipe this clean data directly into their sales engagement platform. This creates a seamless, automated pipeline that allows reps to focus on selling, not on manual data hunting and cleanup!

Building Scalable Lead Enrichment Pipelines

RevOps and Growth teams leverage BlitzAPI as the core data infrastructure for their lead processing. Whenever a new lead comes in from a website form or event, BlitzAPI's APIs can instantly enrich that record with verified contact details, company information, and LinkedIn profiles. This automates data completion, ensures CRM hygiene, and enables immediate, personalized follow-up at scale!

Executing Precision Account-Based Marketing (ABM)

Launch hyper-targeted ABM campaigns with confidence! Marketing teams use BlitzAPI to identify and profile key decision-makers within their target accounts. By enriching contact lists with accurate data and validating emails beforehand, they ensure their personalized marketing content and outreach actually reach the right people, dramatically increasing engagement rates and campaign ROI!

Powering GTM Agency Client Playbooks

GTM and marketing agencies build repeatable, successful playbooks for their clients using BlitzAPI's flexible APIs. They can create custom workflows for lead sourcing, enrichment, and validation that integrate effortlessly with various client tech stacks. This allows them to deliver consistent, high-quality results and scale their services without being bogged down by unreliable data sources!

Pure Tax Investigations

Clients facing serious civil investigations, such as those under COP9 or COP8, can rely on our expertise to guide them through the complexities of their cases. We provide strategic defense and clear communication at every step, alleviating the stress of the process.

Managing Voluntary Disclosures

For individuals and businesses looking to disclose historical income or assets, our team expertly navigates the Worldwide Disclosure Facility (WDF) and Let Property Campaign (LPC). We ensure that disclosures are handled discreetly and effectively, minimizing potential penalties.

Addressing Compliance Checks

Even routine compliance checks can feel daunting! Our specialists are here to manage these processes smoothly, providing clarity and direction to clients and ensuring that all documentation and responses are adequately prepared.

Supporting Private Clients

We understand that private clients have unique needs. Our tailored approach helps individuals manage their tax affairs effectively, addressing matters such as inheritance tax and property taxation, while preserving their wealth for future generations.

Overview

About BlitzAPI

BlitzAPI is the ultimate API engine designed to supercharge every Go-To-Market (GTM) playbook! It's a powerful API toolbox that delivers instant, clean, and accurate B2B data directly into your workflows. Built for Growth, SalesOps, and RevOps teams, BlitzAPI transforms prospecting and outreach from a chaotic chore into an automated, scalable machine. It provides everything you need to find and enrich contacts and companies, validate work emails with incredible accuracy, and retrieve verified phone numbers. The core philosophy is simple: prioritize quality over noise and ensure deliverability-first practices. This means you stop wasting precious credits on bad leads and outdated information! With seamless integration, you pay only for verified results, allowing your team to implement repeatable, high-performance playbooks without compromising on data integrity. Whether you're a GTM agency or an outbound sales team, BlitzAPI is the reliable infrastructure partner that empowers you to scale growth effortlessly and achieve better results with less manual effort. Get ready to automate more, pay less, and scale faster!

About Pure Tax Investigations

Welcome to Pure Tax Investigations, the ultimate shield for businesses and entrepreneurs navigating the treacherous waters of HMRC scrutiny! We pride ourselves on being the premier independent tax investigation specialists in London, dedicated to providing a robust defense against the most intense tax inquiries. Our mission is clear: to fight tooth and nail for our clients, ensuring they receive strategic guidance that empowers them during daunting tax disputes. With over 20 years of experience, led by former senior HMRC Tax Inspector Amit Puri, our team leverages insider knowledge to effectively address the complexities of tax challenges. Whether dealing with routine compliance checks or serious investigations like Code of Practice 9 (COP9) and Code of Practice 8 (COP8), we tailor our approach to meet your specific needs. Our services are designed to preserve your wealth, provide peace of mind, and ultimately deliver commercial results, allowing you to focus on what you do best—growing your business!

Frequently Asked Questions

BlitzAPI FAQ

What makes BlitzAPI different from other data providers?

BlitzAPI is built as an API-first infrastructure, not just a data portal! We prioritize quality over quantity, with a deliverability-first mindset that ensures over 98% email accuracy, even on catch-alls. You only pay for verified, successful results, not for credits wasted on bad data. Our APIs are designed for seamless integration, fitting into your existing workflow without forcing you to adapt to a rigid tool.

How does the "Waterfall ICP" or credit usage work?

Our "Waterfall ICP" feature is designed for efficiency! You define your ideal customer persona, and our algorithm prioritizes leads that match it. The system will search and return the best matches first. More importantly, you only use credits for successfully enriched and verified data. If we can't find a verified email or phone number, you don't pay. This ensures maximum value from every credit spent!

Can I try BlitzAPI before committing?

Absolutely! We encourage you to experience the power of clean data firsthand. You can get started with 1,000 free credits to test our APIs—no credit card required. This allows you to run searches, enrich contacts, and validate emails to see the quality and speed for yourself. We also offer personalized demos to show how BlitzAPI can fit into your specific GTM playbook!

What kind of integrations does BlitzAPI support?

BlitzAPI is built for developers and no-code users alike! We offer a clean, well-documented REST API that can integrate with any modern tech stack, including CRMs (like Salesforce, HubSpot), sales engagement platforms, marketing automation tools, and custom internal systems. The API-first architecture means you can connect it anywhere you need clean B2B data to flow, enabling truly automated workflows.

Pure Tax Investigations FAQ

What types of tax investigations do you handle?

We specialize in a wide range of tax investigations, including routine compliance checks, serious civil investigations under COP9 and COP8, as well as voluntary disclosures through the WDF and LPC.

How do you ensure client confidentiality?

At Pure Tax Investigations, discretion is paramount! We employ strict confidentiality protocols to ensure that all client information is protected throughout the investigation process.

What can I expect during a tax investigation?

Clients can expect thorough communication and support throughout the investigation. We will analyze your case, keep you informed of developments, and work diligently to achieve a favorable outcome.

How do you charge for your services?

Our pricing structure is tailored to each client’s specific needs and the complexity of their cases. We focus on providing value-driven services that align with your financial goals and aspirations.

Alternatives

BlitzAPI Alternatives

BlitzAPI is a dynamic B2B data API platform that supercharges go-to-market strategies! It delivers clean, verified contact and company data to fuel your prospecting and outreach efforts, helping your growth team operate with precision and scale. Even the best tools aren't a perfect fit for everyone! You might be exploring alternatives to BlitzAPI for various reasons, like finding a solution that better matches your budget, offers a specific niche feature, or integrates more seamlessly with your unique tech stack. It's all about finding the right engine for your growth machine! When evaluating other options, focus on what matters most for your team's success. Prioritize data accuracy and deliverability rates to protect your sender reputation. Look for robust API documentation and flexible integration capabilities. And always consider the balance between comprehensive data coverage and a pricing model that scales with your ambitions!

Pure Tax Investigations Alternatives

Pure Tax Investigations is your go-to partner for navigating the complexities of HMRC tax investigations! As a premier independent tax investigation specialist based in London, we provide expert guidance and robust defense for businesses facing serious tax scrutiny. Users often seek alternatives to our services for various reasons such as pricing, specific feature sets, or unique platform needs. When choosing an alternative, it's essential to consider factors like the expertise of the team, the breadth of services offered, and the personalized approach to handling tax matters. Finding a provider that aligns with your unique requirements can make all the difference in securing peace of mind during challenging tax situations.

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