Responsive web design services for businesses that need their site to work on every screen, not just the designer's.
Senior designers and engineers. Flat-fee projects. Lighthouse scores above 90 on mobile. Your site looks right on a phone, a tablet, your CFO's screen, and a sales prospect's old laptop in coach. WCAG 2.1 AA accessibility baked into the design system from day one, not bolted on at launch.
Designed mobile-first. Engineered to compound.
The math is settled. Mobile devices generate more than half of global web traffic. Google moved to mobile-first indexing in 2019. Yet most agencies still design at 1440 pixels first and patch the breakpoints at the end of the project.
That order is backwards. A responsive web design service that ships well starts with the phone, proves the layout works there, and scales up. Every breakpoint reads as a fresh design instead of a desperate stretch. You came here because the current site does the wrong thing on a phone, or the agency that built it is gone, or both. We fix that.
See client outcomes+25 to 45% mobile conversion lift
Median range across active responsive rebuild engagements. Cause is usually page speed, not creative. [PROOF NEEDED: portfolio aggregate]
Sub-1.8s mobile LCP
Largest Contentful Paint under 1.8 seconds on a throttled 4G profile. INP under 200ms. CLS under 0.05. Treated as launch criteria, not stretch goals.
WCAG 2.1 AA, day one
Accessibility baked into the design system. Color contrast, focus order, keyboard navigation, screen-reader landmarks tested before launch.
What you actually get from our responsive web design services.
Fixed scope. Fixed timeline. Fixed outcomes. Each phase below has a defined deliverable, a written sign-off, and a date you can put in a calendar.
Discovery that earns the brief.
Two weeks. Stakeholder interviews, content audit, analytics review, competitor benchmark, sitemap workshop. The output is a written brief that your founder, your dev team, and your sales team can all sign off on before we move a pixel.
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Stakeholder interviews3 to 5 working sessions across founder, sales, marketing, and ops.
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Content + analytics auditPage-by-page review of current site with GA4 and Search Console data.
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Competitor benchmarkSide-by-side comparison of 5 direct competitors on mobile and desktop.
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Written brief and sitemap20 to 30 pages: ICP, message map, page architecture, conversion goals.
Mobile-first design system, in that order.
The phone view is designed first, decided first, and signed off first. Desktop follows. You get a real design system, not a theme. Buttons, headings, spacing, and color tokens live in one place, so the gap between mock and shipped pixels is measured in single digits.
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Design system + tokensType scale, color, spacing, button library, form library. Fully documented.
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Mobile-first page designsHome, services, product, pricing, contact, blog. Phone view first, desktop second.
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Interactive prototypesClick-through Figma prototypes for stakeholder review on real devices.
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Breakpoint tested before sign-off360, 414, 480, 768, 1024, 1280, 1440, 1920 pixels validated in design.
Built on the stack that fits your team.
WordPress is the default for content-heavy sites. Webflow for design-driven brands with a small content footprint. Sitecore for enterprise. Custom Next.js for headless commerce. We recommend based on your team's capability and editing workflow, not based on what we want to build.
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Production-ready buildFully responsive across phone, tablet, desktop, and large displays.
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CMS your team can editEditor experience your marketing team can actually use without a developer.
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Core Web Vitals green at launchLCP under 1.8s mobile, CLS under 0.05, INP under 200ms. Verified pre-launch.
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WCAG 2.1 AA accessibilityAxe automated scans, manual audit, NVDA and VoiceOver screen-reader tests.
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CRM integrationSalesforce, HubSpot, Pipedrive, or custom. Source-tagged inquiries from day one.
Migrate without losing rankings.
The most expensive part of a redesign is the SEO drop nobody warned you about. We map every legacy URL, set 1 to 1 redirects, preserve canonical signals, and watch Search Console daily for the first 30 days post-launch.
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Full URL auditCrawl plus Search Console export of every indexed URL.
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1:1 redirect mapServer-level 301s for every legacy URL with measurable traffic.
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Schema preservationStructured data, Open Graph, and canonical tags carried over.
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Post-launch monitoringDaily Search Console review for 30 days. Issues triaged within 24 hours.
Launch and 30 days of post-launch monitoring.
Cutover happens off-hours. We watch Search Console, error logs, and Core Web Vitals for 30 days. After day 30, you can take the keys and go, or move onto a maintenance retainer. Ongoing work bills separately, so the project budget is the project budget.
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Launch runbookDocumented cutover steps, rollback plan, named team responders.
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Search Console daily reviewIndex status, coverage errors, and ranking drift watched for 30 days.
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Core Web Vitals dashboardReal User Monitoring on LCP, INP, CLS across the new site.
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Hand-off documentationCMS guide, design system docs, deployment access, Figma file.
The 45-minute call, then a written summary, then a scoped quote.
A senior strategist runs the first call. Not an account executive. Not a sales rep. The same person who would lead your engagement if you proceed.
Talk to a senior strategist.
45 minutes. They review your current site, ask about your business goals, and walk through the three highest-leverage fixes you could ship next month even without us. You leave the call with three things to fix this week, hire us or not.
Day 1Written diagnostic in 48 hours.
The gaps we identified, a directional fee range for the work, and a timeline. Yours to keep, no obligation. We have helped teams brief other agencies with it. We'd rather you get the work done well somewhere than not at all.
Day 3Scoped SOW in 5 business days.
Fixed-price, milestoned, signed before any work starts. Change requests get scoped and quoted separately so you decide instead of discover.
Day 8Discovery starts inside 14 days.
You see live work product inside week 3. First design concepts inside week 6. Production launch in week 12 to 16 depending on scope. We do not run discovery phases that produce a PDF and nothing else.
Day 14What separates this responsive web design agency from the alternatives.
Most options sit in four buckets: the freelance designer, the template platform, the big agency, the internal team. We sit between them, with the strengths of each and the weaknesses of none.
Senior strategists on every account.
No junior account managers. The strategist on the sales call is the strategist on the project. Same person every week, every demo. They have shipped responsive sites for B2B SaaS, healthcare, manufacturing, and ecommerce.
No junior teamFlat-fee pricing published on the page.
Fixed scope. Fixed timeline. Pricing right above. No percent-of-budget markups. No hidden retainer surprises after kickoff. Change requests get scoped and quoted separately so you decide instead of discover.
Flat feeYou own the work end to end.
Code, design system, documentation, vendor accounts. All transferred to you on day one. No agency lock-in. No proprietary CMS holding your site hostage. Most clients save the equivalent of a junior developer salary by year two.
Full ownershipThe clients we work with best share five things in common.
Most responsive web design services pitch every business that walks in the door. We do not. The fit below tells you in 60 seconds whether the call is worth booking.
Service businesses, 5 to 200 employees.
The current site embarrasses you in sales calls. New hires cannot update it. Phone bounce rate is north of 60 percent. You have a senior internal stakeholder, usually a founder or COO, who has been through one bad agency engagement and is allergic to surprises.
Most commonMulti-location or multi-service businesses.
Dental groups, optometry chains, regional accounting firms, multi-state law practices. You need location pages that rank locally and a CMS workflow your team can keep updated week to week. Local SEO matters as much as the visual design.
Local SEO readyRegulated industry firms.
Legal, healthcare, financial advisory, manufacturing with ITAR. The site needs to clear bar advertising rules, HIPAA, or FINRA disclosure requirements before a single visitor sees it. Compliance review is built into discovery, not bolted on at launch.
HIPAA / Bar / FINRAWhat conversion-led design actually moves.
Frequently asked questions about our responsive web design services.
If your question is not here, send it directly. We reply within one business day.
How many devices do you actually test on?
Mobile breakpoints at 360px, 414px, and 480px. Tablet at 768px and 1024px. Desktop at 1280px, 1440px, and 1920px. We also test on the actual hardware your audience uses, including a current iPhone, a current Android, a current iPad, and a Windows laptop.
What CMS do you recommend?
Default is WordPress for content-heavy sites where your team needs editorial flexibility. Webflow for design-driven brands with a small content footprint and a team that wants no-code editing. Sitecore for enterprise. Custom Next.js for headless commerce and high-performance frontends. We recommend based on your stack and team, not based on what we want to build.
Do you migrate content from our old site?
Yes. Content migration is in-scope on Custom Build and Enterprise tiers. We audit your existing content first. About one in three pages typically gets retired during migration because the page was not earning its keep. The rest gets cleaned up, rewritten if needed, and ported.
What about SEO during the transition?
A 301 redirect plan covers every URL on the old site. Schema markup goes in by default. Internal linking gets rebuilt around the new sitemap. Most clients see a temporary organic dip in the first two weeks post-launch, then a recovery to baseline by week six, then growth above baseline by month three. We track this in Search Console and share the data weekly.
Will the site be accessible?
WCAG 2.1 AA conformance is the baseline. Color contrast, focus order, keyboard navigation, screen-reader landmarks, alt text, accessible forms. We run Axe scans, manual audits, and screen-reader testing with NVDA on Windows and VoiceOver on Mac and iOS. Documentation lives with the project so your team can defend the work if a demand letter ever arrives.
Can we keep our current hosting?
Probably yes. We review your current host during discovery. If it is a respectable managed WordPress host like WP Engine, Kinsta, or Pantheon, we migrate inside the same account. If it is shared GoDaddy or similar, we recommend moving. Hosting cost lives with you, separate from the project fee.
How fast does the site need to load?
Largest Contentful Paint under 1.8 seconds on a throttled 4G mobile profile. Interaction to Next Paint under 200 milliseconds. Cumulative Layout Shift under 0.05. These are Core Web Vitals "Good" thresholds. We treat them as launch criteria, not stretch goals.
What if I want changes after launch?
Two paths. Monthly maintenance retainer from $299 per month covers ongoing edits, security updates, and small new features. Project-by-project work quoted as needed. We do not bill hourly for either.
Do you work with my industry?
Probably. We have shipped responsive web design services for B2B SaaS, professional services (legal, accounting, consulting), healthcare (dental, optometry, hospitals), manufacturing, real estate, ecommerce, and small local service businesses. If your industry has unusual compliance requirements, we will tell you on the first call whether we have the experience or whether you would be better off with a vertical-specialist agency.
Hire responsive web designers in-house or outsource?
If you ship one site every three years, outsource. The hiring, training, and bench cost of an in-house responsive web design team only pays back if you ship multiple major site projects per year. We work with plenty of clients who have one in-house designer and use us for the heavy lifts.
Five things you will not see from us. No exceptions.
The fastest way to know if an agency is the right fit is to ask what they refuse to do. Most agencies dodge the question. Below is our list, in plain language, so you can hold us to it. If we ever quote you outside these rules, walk away.
Every responsive web design agency claim looks identical on the homepage. The differences show up in the contract, the invoice, and the way change requests get handled six weeks into a project. The five lines below are the differences.
No percent-of-budget pricing
The cost is the cost. No markup that scales with your media spend. No surprise retainer auto-renews.
No overseas design at midnight
Your designer is on the call with you, in New York, every week. No offshore handoffs after the contract signs.
No launch without a redirect map
SEO equity is the asset most agencies waste at launch. We map every legacy URL before cutover. Daily Search Console review for 30 days.
The cost of waiting is measurable.
Five reasons businesses end up sitting in a worse spot 12 months later because they pushed the responsive rebuild to next quarter, and next quarter, and the one after that.
Google indexes mobile first.
Every week your site loads in four seconds on a phone is a week you bleed organic traffic to a faster competitor. The traffic does not come back when you fix the site. You just stop losing more of it.
Compounds weeklyConversion losses compound.
A site converting at 1.4 percent should be converting at 2.8 percent. The gap is 12 months of lost pipeline you cannot reclaim retroactively. The math is brutal because the loss is invisible on the dashboard.
Lost monthlyDemand letters keep rising.
Letters to small business websites have grown year over year for six consecutive years. Remediation under pressure runs roughly ten times the cost of a clean build done right. We have helped clients respond to demand letters. The bill is real.
Growing riskEarly starts beat late ones.
A project that begins in March launches in July, well before the September to December content sprint. A project that begins in October launches in January, missing the November to December peak demand entirely. The calendar does not care about your roadmap.
Calendar pressureReal practices, real numbers.
A sampling of recent engagements that match this work.
Drove 450% keyword growth for Hightop Health's scratch mental-health MSO launch.
A new mental-health Management Services Organization with no website went from invisible to ranking page-one in competitive markets — 450% keyword ranking lift, 300% top-3 keyword growth, scalable platform built for the network.
Drove sales for Boogie Board with $31 cost-per-conversion at scale.
A pioneering reusable-writing-tablet brand cut acquisition costs to $31 per conversion + boosted conversions 11% — managing $650K in ads with sustainable ROI.
Lifted The Awareness Centre traffic 157% with SEO + PPC for counselling + training.
London's largest counselling provider attracted higher-quality clients + course applicants — 157% traffic, 93% course sign-ups, 68% qualified leads.