Cold Email Subject Lines That Actually Get Opened
Five subject line formats that consistently produce 40 to 60 percent open rates when your infrastructure is clean.
Read article →Expert paid advertising across Meta, Google, LinkedIn, TikTok and emerging platforms. ROAS-focused strategy. We manage campaigns, optimize bids, test creatives and scale winners. The post-click funnel is part of our scope.
Performance marketing is a paid advertising model in which every pound of spend is tied to measurable business outcomes: clicks, leads, sales or return on ad spend (ROAS). It covers the full spectrum of paid channels including Meta Ads, Google Ads, LinkedIn Ads and TikTok Ads, managed through continuous data-driven optimisation to reduce cost per acquisition over time. Unlike brand advertising where success is measured in reach or impressions, performance marketing is accountable to revenue: if the campaign does not return more than it costs, it gets restructured or paused.
Koldconvert performance marketing is a paid acquisition service for B2B companies, e-commerce brands and SaaS businesses. The team has optimised 150+ campaigns and manages the full performance stack: campaign structure, audience strategy, creative testing, landing page conversion and attribution. The post-click funnel is in scope. Koldconvert does not hand off at the ad click and consider the job done.
SaaS businesses at Series A and beyond with a defined ICP but inconsistent paid acquisition results. You need a structured approach to multi-channel paid that aligns CAC with LTV and creates a repeatable pipeline engine.
Brands spending GBP10,000 or more per month on Meta and Google who are not satisfied with their ROAS and need rigorous creative testing, better audience segmentation and post-click funnel accountability.
Professional services, FinTech and marketplace businesses that have proven product-market fit and need paid acquisition to accelerate growth beyond referrals and organic, with proper tracking and attribution from day one.
Marketing teams with strong brand and content capabilities who lack dedicated paid media expertise across LinkedIn, TikTok and emerging platforms, or who need a structured testing system built alongside their existing activity.
Lead gen, e-commerce and app campaigns. Advanced audience targeting, creative testing and ROAS optimization across the full Meta placement network.
Search, display, shopping and video ads. High-intent keyword bidding, Performance Max campaigns and remarketing across the Google network.
B2B lead generation and account-based advertising. Sponsored content, InMail, conversation ads and lead gen forms targeting by job title, company and seniority.
Viral short-form video and early-stage platforms. We identify and test emerging ad products before saturation, giving clients a first-mover cost advantage.
Most agencies report on platform-native metrics (ROAS as Meta calculates it), which systematically overstates performance because platforms claim credit for conversions that would have happened anyway. The Koldconvert Revenue Attribution Framework starts by connecting ad spend to actual revenue in the CRM, not in the ad platform. We build a multi-touch attribution model before any campaign launches, so every creative test and budget decision is made against real revenue data. Within this framework, testing is sequenced: we isolate creative variables first, then audience variables, then bid strategy, so we know which change caused each result. This compound testing approach typically delivers a 30-40% improvement in ROAS within 90 days compared to unstructured optimisation.
We audit your market, audience segments, competitor ad strategies and existing performance data to define channel mix, budgets, targets and the attribution model we will use to measure success.
We create campaign architecture, write ad copy, design creatives, set up landing pages and configure full tracking including GA4, UTM parameters and CRM integration before a single pound of spend is activated.
Campaigns go live with tracking verified, attribution confirmed and daily monitoring in place covering budget pacing, quality score, frequency and early engagement signals to catch problems before they compound.
We run structured tests across creative, audience and bid strategy in isolation, then scale winning combinations and cut underperformers to compound ROAS improvement month over month.
Ad platforms feed raw performance data into GA4 and Segment for normalisation, then into Looker Studio or Triple Whale for revenue attribution reporting. HubSpot connects CRM deal data so we can track cost per opportunity and cost per closed deal, not just cost per lead.
A two-week deep audit of your existing campaigns, tracking setup, attribution model, creative library and audience segmentation. Delivers a prioritised action plan with specific recommendations and an estimate of the ROAS uplift each change could generate. Suited to companies already running paid ads who want an independent diagnosis before committing to ongoing management.
A 6-week fixed-scope project to build and launch your first structured paid acquisition programme. Covers strategy, campaign architecture, creative production, tracking setup and first month of optimisation. Suited to companies new to paid acquisition who need a proper foundation before scaling spend.
Continuous paid acquisition management covering daily optimisation, structured creative testing, budget management, weekly reporting and monthly strategy reviews. Includes landing page improvements and attribution maintenance. Suited to companies ready to scale paid channels as a primary growth lever with a minimum 3-month commitment.
SaaS companies face long buying cycles where the first paid touch is rarely the last. We build multi-stage funnels that capture high-intent search traffic on Google, nurture with LinkedIn thought leadership ads and retarget with case study content on Meta, tracking pipeline influence rather than just lead volume.
DTC brands need creative velocity and precise ROAS measurement by product line. We run Meta as the primary acquisition channel with structured creative tests every two weeks, use Google Shopping for bottom-funnel capture and deploy Klaviyo-integrated retargeting sequences that recover abandoned purchase intent.
FinTech companies operate under tight ad policy restrictions on Meta and Google. We navigate these restrictions by focusing on compliance-safe creative, using LinkedIn for enterprise deals and building search campaigns around comparison and review-intent keywords where regulators have less concern.
Law firms, accountants and consultancies have high ACV and long sales cycles, making LinkedIn the primary paid channel. We target by job title and company size, use lead gen forms to reduce friction and run retargeting campaigns that keep the firm visible throughout the 60-180 day buying cycle.
FMCG brands targeting retail buyers and end consumers require split strategies. We run B2C performance campaigns on Meta and TikTok for direct-to-consumer revenue, and separate LinkedIn campaigns targeting category buyers and retail procurement contacts for trade distribution deals.
Healthcare advertising faces the strictest platform restrictions. We focus on compliant educational content campaigns, use Google search for symptom and condition keywords within ad policy boundaries and deploy LinkedIn for healthcare professional and procurement targeting where B2C restrictions do not apply.
Hospitality businesses need seasonal campaign management and multi-market targeting. We build Google search campaigns that capture high-intent booking traffic, use Meta for inspiration-phase reach and deploy dynamic retargeting that serves property or destination content based on pages visited.
Property companies need location-specific targeting and lead quality filters. We use Facebook Lead Ads with qualifying questions to pre-screen inquiry quality, Google search for buy and rent-intent keywords by location, and LinkedIn for commercial property targeting at the CFO and property director level.
EdTech companies compete for a small window of high purchase intent around enrollment seasons. We build campaigns that capture this intent through Google search while running year-round Meta nurture campaigns that keep the brand visible in the minds of prospective students between active decision windows.
HR tech targets CHROs, HR directors and recruitment managers, a tight but reachable audience on LinkedIn. We use LinkedIn Sponsored Content for product education, InMail for direct outreach to named decision-makers and retargeting on Meta to maintain presence during the typically 3-6 month evaluation cycle.
Legal firms cannot make outcome guarantees in advertising copy, which limits creative options. We build Google search campaigns around practice area and jurisdiction keywords where intent is high, use LinkedIn for corporate law targeting and deploy remarketing sequences that position the firm's expertise rather than promising results.
Agencies selling to marketing directors and CMOs benefit from LinkedIn targeting by seniority and function, combined with thought leadership content ads that demonstrate expertise. We run Google search campaigns for service-specific queries and use retargeting to keep the agency visible across the typically long evaluation and approval process.
| Factor | Koldconvert | Typical Paid Media Agency |
|---|---|---|
| Success metric | Revenue and pipeline generated, tracked from ad to closed deal | Platform-reported ROAS and CPL, often disconnected from actual revenue |
| Funnel scope | Ad to CRM: includes landing page, tracking and CRM attribution | Ad click is the end of scope; post-click is the client's problem |
| Attribution | Multi-touch model using GA4, Segment and independent tools like Triple Whale | Last-click or platform-native attribution that over-credits their channel |
| Testing cadence | Structured weekly tests with isolated variables and documented learnings | Ad hoc creative swaps with no controlled variable isolation |
| Creative strategy | Brief, write and test creative variations with hypothesis-driven iteration | Rely on client-supplied creative or produce one batch with no testing plan |
| Reporting | Weekly written report plus live Looker Studio dashboard with revenue-level data | Monthly PDF of platform screenshots with limited analysis |
| Channel integration | Coordinated across Meta, Google, LinkedIn and TikTok with unified messaging | Often specialised in one platform with limited cross-channel coordination |
Most companies waste the first 60-90 days of a paid media engagement because they launch spend before the tracking, attribution and landing pages are ready. The agency reports on platform metrics while the client assumes those metrics connect to revenue, and they often do not. We believe paid advertising without a revenue attribution model is not performance marketing, it is brand advertising with a performance label. The second mistake is treating creative as a production task rather than a testing programme: one round of creative every quarter cannot compete with brands running weekly structured tests. Our position is that the measurement infrastructure and the creative testing cadence are more important than the channel mix, and that is where most agencies underinvest.
Koldconvert Strategy Team
Performance marketing is a paid advertising model where every pound of spend is tied to measurable outcomes such as leads, sales or ROAS. It covers Meta Ads, Google Ads, LinkedIn Ads and TikTok Ads, managed with continuous data-driven optimisation. Unlike brand advertising, performance marketing is accountable to revenue: if a campaign does not return more than it costs, it is restructured or paused.
A good ROAS depends on your margin structure and business model. SaaS typically targets 3-5x. E-commerce targets 2-3x. B2B services target 4-8x. We benchmark against your specific model and industry, then optimise toward your profitability threshold, not an arbitrary benchmark.
Start with 10-20x your target monthly customer acquisition cost. Allocate 60% to proven channels, 30% to structured testing and 10% to emerging platforms. A 3-6 month commitment allows proper learning cycles and prevents premature decisions based on insufficient data.
Weeks 1-2 cover setup and initial data collection. Weeks 2-4 produce early learnings and first optimisations. Months 2-3 reach confident scaling with compound improvements. ROAS typically improves incrementally each month as testing produces clear winners.
Yes. We use platform automation including dynamic creative, smart bidding and Performance Max, combined with AI tools for creative iteration and audience analysis. Every recommendation is human-validated before implementation so automation errors do not compound unchecked.
Meta (Facebook and Instagram), Google Ads and YouTube, LinkedIn, TikTok and emerging platforms including Pinterest and X. Channel selection is based on your audience, offer and budget, not on which platforms we prefer to manage.
Management fees typically range from 10-20% of ad spend, with a minimum monthly retainer. Strategy, creative production and landing page optimisation are priced separately depending on scope. We provide a fixed proposal after an initial strategy call.
Outsourcing makes sense when you lack dedicated multi-platform expertise, need a structured testing framework or your in-house team is stretched across other priorities. We often operate as a specialist overlay alongside in-house teams rather than a full replacement, covering the platforms or competencies where expertise gaps exist.
We implement a multi-touch attribution model using GA4, Segment or an independent attribution platform such as Triple Whale or Northbeam. This eliminates the double-counting that platform-native dashboards produce when multiple channels run simultaneously and over-claim credit for the same conversion.
Koldconvert treats the post-click funnel as part of the campaign scope. Landing page conversion, CRM integration and revenue attribution are included, not sold as optional add-ons. Most agencies optimise for click metrics and leave revenue tracking to the client, which makes it impossible to genuinely know if paid acquisition is profitable.
Positive ROAS is typically achievable within 60-90 days when a solid strategy is in place from day one, including a well-structured campaign architecture, verified tracking and a converting landing page. Campaigns that launch without these foundations take significantly longer to stabilise and often require a full rebuild before they can scale.
We work across SaaS, e-commerce, FinTech, professional services, consumer brands, healthcare, hospitality, real estate, EdTech, HR technology, legal services and agencies. The methodology adapts to the buying cycle, average order value and regulatory environment of each sector.
Book a strategy call. We will review your current campaigns, audit your attribution setup and recommend the highest-impact improvements.
Five subject line formats that consistently produce 40 to 60 percent open rates when your infrastructure is clean.
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