Senja: A Testimonial SaaS to $800K ARR — Two Founders in Nigeria and London Who Never Met in Person

Growing a SaaS to $800K ARR without ever sitting in the same room as your co-founder. Senja’s two founders actually did it. Wilson Wilson, who built the product, is in Nigeria. Olly (Oliver Meakings), who marketed it, is in London. They connected through X’s build-in-public community, ran Senja together, and published the entire journey, without meeting in person even once.

Senja deals in social proof. It lets companies and individual creators collect testimonials, reviews, and video comments from customers, and reuse them on websites, in emails, on social media, and in ads. An unglamorous niche, but the numbers compounded steadily: $100 MRR in August 2022 became $32,000 by June 2024 (per Wilson’s own X post) and $50,000 by October. Then in May 2025, Wilson wrote on his blog that Senja was “at $800K ARR today”, in the very article announcing his own departure.

So this case has two things worth reading: the growth curve two unknowns built entirely remotely, and the ending in which one of the founders steps off at the peak.

Timeline

The slope differs completely between the first and second halves. Six months from first paying customer to $1,000 MRR. Eight more to $10,000. Per IndieMerger’s account, there was no outside funding at any point. From the first paying customer to what the founders called “ramen profitability”, enough for founders to scrape by, took about a year, until July 2023. The two also publicly committed 3% of MRR to charity, running the business on the assumption of being watched.

Total division of labor, and marketing by showing

The division of labor is absolute: Wilson builds, Olly sells. Olly is a marketer with 20 years in conversion optimization who, before Senja, ran “Roast My Landing Page,” critiquing 800 SaaS landing pages. What looks like two unknowns is actually a duo where one member professionally understood exactly what makes people sign up.

The pillar of acquisition was building in public. In March 2023, at $4K MRR, Olly disclosed that one in three signups and one in four paying customers came via Twitter. He spent roughly seven hours a week on marketing, publishing wins and losses alike to build trust. In parallel, he rated the SEO groundwork “the best-ROI marketing work”, a small two-track engine pairing social’s burst with search’s persistence.

On the product side, in the founders’ words: “Building a good product got us from 0–1; building an incredible onboarding took us from 1–5.” Improvements since launch passed 2,000. Free users approached 10,000. And the product accrues switching costs naturally, the more customer testimonials pile up in an account, the harder it is to leave. This “start free, compound upward” pattern rhymes with Tally, which gave away 99% of its features and reached $150K MRR in four years, and with Easlo’s Notion-template business built on public posting, the modern indie-SaaS standard.

Not all tailwinds

The founders also disclosed the headwinds. Senja was itself a latecomer inspired by Testimonial.to, and copycats appeared behind it in turn. Olly’s stated countermeasures, persistence and differentiation, amount to an admission that the barriers to entry are low.

And then there is Wilson’s departure in May 2025. By his own account, he had struggled for about nine months to recover a working rhythm. Coaching, breaks, and reduced hours didn’t fix it. Concluding this was structural change rather than a passing wave of burnout, he sold his shares to Olly (keeping a small stake) and stepped away from operations, while holding a product at $800K ARR, used millions of times a week.

Someone who began writing code straight out of high school grows a business to $800K ARR in three and a half years, then sells his stake to his co-founder, a success story from the outside, but the writing is matter-of-fact, closing with a bet on himself and a hint at what’s next. A two-person team’s speed and density also mean one person’s struggles are directly a business risk. Senja paid that cost at its outwardly strongest moment.

Conditions for repeatability, and the limits

Two points survive transplanting: geography and face-time are not prerequisites for co-founding, and a clean split between “the one who builds” and “the one who sells” maximizes a two-person team’s output. Building in public worked because it was run by a specialist in messaging and conversion, not because streaming your daily numbers automatically brings customers.

Three limits temper it. The MRR history is self-reported and secondhand-compiled, not audited. Testimonials are a sticky category but a low-barrier one, and competition with later clones continues. The deepest is founder sustainability, a risk that never shows up in the metrics. Senja’s record teaches the repeatability of the remote two-person model and its deep dependence on individual condition, as a single story.